Re: [Elecraft] Morse Code to send on PSK32
It would be great if PSK63 could be supported. Like 75 baud RTTY, it's popular in contests. Julian, G4ILO WB0OEW wrote Yes, and you can send RTTY that way also. No other digital modes are supported but more could be added to the firmware if there is room and interest. - Julian, G4ILO. K2 #392 K3 #222 KX3 #110 * G4ILO's Shack - http://www.g4ilo.com * KComm - http://www.g4ilo.com/kcomm.html * KTune - http://www.g4ilo.com/ktune.html -- View this message in context: http://elecraft.365791.n2.nabble.com/Re-Morse-Code-to-send-on-PSK32-tp7577136p7577184.html Sent from the Elecraft mailing list archive at Nabble.com. __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] KX3 keying using CWtype on USB
You could try KComm. That keys the KX3 using the USB serial cable the same way the KX3 utility does. I have been looking for a way to key my KX3, via USB using CWtype. I found a solution. Search Ebay for USB CW (morse code) keying cable with opto-isolator. Seller is: *phutping* lt;http://myworld.ebay.ca/phutping/?_trksid=p4340.l2559gt; This is a UK seller who provided the cable in 5 days UK to Canada. and it works. Finally I don't have to use the KX3 utility to key the rig via USB. - Julian, G4ILO. K2 #392 K3 #222 KX3 #110 * G4ILO's Shack - http://www.g4ilo.com * KComm - http://www.g4ilo.com/kcomm.html * KTune - http://www.g4ilo.com/ktune.html -- View this message in context: http://elecraft.365791.n2.nabble.com/KX3-keying-using-CWtype-on-USB-tp7572744p7573118.html Sent from the Elecraft mailing list archive at Nabble.com. __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] FW: RTTY and PSK31 Decode Using K3 Utility Terminal
Have you tried using KComm? It uses the same built-in capability of the K3 (and KX3) to send and decode RTTY and PSK31 (and CW). Julian, G4ILO Mike Flowers wrote Hi Gang, Has anyone been successful getting solid copy in RTTY or PSK31 using the Terminal feature of the K3 Utility? I get 100% decode on the K3 but this sort of decode in the K3 Utility: LT A ETINLOSEO .E HAHEL ED VTD0BPAT OMEASIJUS ANTETO WOE STATTH WW *7ORCT.SO T YOU IT4 ]LADE TSE:YTTD AREVTNX DOO TILLTRIG NIC SIN HASO D U,AN ADI EWOOD- 20 WAS EN FHX HMEPE RD E D T8TIT 1ETT NQU. PHRONOR S ETIMT.ILCR3KPA-KT50ATNAS TOTACELS NW N V AR1ENERFAC: RIGTPTSM- TW/ WINULI TEKUING WASTO AETNNAHIS RODIE OU AUL.ANTANF E SIGNALEI THE MP O.. NKRE C U WNO - Julian, G4ILO. K2 #392 K3 #222 KX3 #110 * G4ILO's Shack - http://www.g4ilo.com * KComm - http://www.g4ilo.com/kcomm.html * KTune - http://www.g4ilo.com/ktune.html -- View this message in context: http://elecraft.365791.n2.nabble.com/FW-RTTY-and-PSK31-Decode-Using-K3-Utility-Terminal-tp7572477p7572482.html Sent from the Elecraft mailing list archive at Nabble.com. __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] Free DV (digital voice as reported in QST-April issue)
I have set it up that way, Don, and it works fine. I was in QSO with someone who had a Flex and I was running 25W and I increased the power to 40W and he told me that he was still getting perfect copy and could detect no increase in bandwidth. You really have to try hard to make a K3 splatter. Julian, G4ILO Don Wilhelm-4 wrote Since this is just another digital mode, why would you not set the K3 ALC indication as specified for other digital modes. 4 bars on the ALC meter with the 5th bar flickering. If you do not do it that way, the K3 will power hunt and you will not have consistent power output. Bring the audio up as indicated in the digital operation section of the K3 manual and set the power knob for the desired power output. 73, Don W3FPR - Julian, G4ILO. K2 #392 K3 #222 KX3 #110 * G4ILO's Shack - http://www.g4ilo.com * KComm - http://www.g4ilo.com/kcomm.html * KTune - http://www.g4ilo.com/ktune.html -- View this message in context: http://elecraft.365791.n2.nabble.com/Free-DV-digital-voice-as-reported-in-QST-April-issue-tp7572113p7572249.html Sent from the Elecraft mailing list archive at Nabble.com. __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] Elecraft USB interface
Excuse my jumping in, but I'd like to add that KComm can also be used if you want single cable operation of the KX3. It supports keyboard CW, PSK31 and RTTY just like the KX3 utility, but has more of the features of a logging and digimode program. Ray Sills-2 wrote HI Walter: There's a thread going on over at the KX3 Yahoo group regarding using the USB connection for the KX3 utility. At least -some- single-cable operation is possible with the KX3. You can use the KX3 utility as a terminal for RTTY (and presumably PSK31) operation. There is a text window that shows the data presented in the VFO B window.. and with a much larger character count. Also, there is an input text window, plus 16 message memories.. which can work quite nicely for a contest situation. You still have to do logging and keep track of serial numbers. - Julian, G4ILO. K2 #392 K3 #222. * G4ILO's Shack - http://www.g4ilo.com * KComm - http://www.g4ilo.com/kcomm.html * KTune - http://www.g4ilo.com/ktune.html -- View this message in context: http://elecraft.365791.n2.nabble.com/Elecraft-USB-interface-tp7569784p7569824.html Sent from the Elecraft mailing list archive at Nabble.com. __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] K3 Firmware 4.58 - Problem using K144XV
The latest version in the FTP folder is 4.58, which I see has the 144MHz problem :( . If the only way to get 4.60 is by email from Wayne the problem is that Gmail doesn't allow email containing .exe or .zip. It doesn't strip the attachment out it just dumps the whole email. So if Wayne sent it I didn't get it. I'm surprised that a firmware version with a known bug is still on the FTP site. Matt Zilmer wrote See Wayne's earlier email. This update fixes the 180 MHz problem with the 144 Mhz transverter as well. - Julian, G4ILO. K2 #392 K3 #222. * G4ILO's Shack - http://www.g4ilo.com * KComm - http://www.g4ilo.com/kcomm.html * KTune - http://www.g4ilo.com/ktune.html -- View this message in context: http://elecraft.365791.n2.nabble.com/K3-Firmware-4-58-Problem-using-K144XV-tp7565733p7565943.html Sent from the Elecraft mailing list archive at Nabble.com. __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] K3 Firmware 4.58 - Problem using K144XV
The latest beta firmware appears to be dated 8 November and this issue was raised later than that. So I guess not. John Lemay wrote Is this fixed now ? Thanks - Julian, G4ILO. K2 #392 K3 #222. * G4ILO's Shack - http://www.g4ilo.com * KComm - http://www.g4ilo.com/kcomm.html * KTune - http://www.g4ilo.com/ktune.html -- View this message in context: http://elecraft.365791.n2.nabble.com/K3-Firmware-4-58-Problem-using-K144XV-tp7565733p7565884.html Sent from the Elecraft mailing list archive at Nabble.com. __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] CW Decoding - Your Brain is best
You could try KComm. It works with the K3's own keyer and decoder. It works with the KX3 too. W7GJ, Lance wrote I have just bee introduced to N1MM, and that seems to work great with my K3 and laptop computer, but it really seems geared for quick openings or working pileups. Is there something better suited to casual CW QSO's? - Julian, G4ILO. K2 #392 K3 #222. * G4ILO's Shack - http://www.g4ilo.com * KComm - http://www.g4ilo.com/kcomm.html * KTune - http://www.g4ilo.com/ktune.html -- View this message in context: http://elecraft.365791.n2.nabble.com/CW-Decoding-Your-Brain-is-best-tp7565244p7565317.html Sent from the Elecraft mailing list archive at Nabble.com. __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
[Elecraft] K3/KX3 data sub-modes
On the K3 and KX3, is it possible to set/get the sub-mode of PSK D (45 or 75 baud.)? Is it likely in the future that the K3 and KX3 will support a 63 baud variant of PSK D? - Julian, G4ILO. K2 #392 K3 #222. * G4ILO's Shack - http://www.g4ilo.com * KComm - http://www.g4ilo.com/kcomm.html * KTune - http://www.g4ilo.com/ktune.html -- View this message in context: http://elecraft.365791.n2.nabble.com/K3-KX3-data-sub-modes-tp7564849.html Sent from the Elecraft mailing list archive at Nabble.com. __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] Repair facility in UK?
Waters and Stanton is building Elecraft products in the UK and is offering a full warranty on them. So they presumably have repair facilities. What you really need is a British W3FPR! Julian, G4ILO - Julian, G4ILO. K2 #392 K3 #222. * G4ILO's Shack - http://www.g4ilo.com * KComm - http://www.g4ilo.com/kcomm.html * KTune - http://www.g4ilo.com/ktune.html -- View this message in context: http://elecraft.365791.n2.nabble.com/Repair-facility-in-UK-tp7562815p7562819.html Sent from the Elecraft mailing list archive at Nabble.com. __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] KCOMM error List index
It might be worth taking a look at the macros that generate the error. Julian, G4ILO Bruce Wade wrote Just move to another XP machine. The K3 and old computer worked great. On some macros I get List Index(3) out of bounds risk data corruption. Any ideas what I am doing wrong? Bruce, N7ZA - Julian, G4ILO. K2 #392 K3 #222. * G4ILO's Shack - http://www.g4ilo.com * KComm - http://www.g4ilo.com/kcomm.html * KTune - http://www.g4ilo.com/ktune.html -- View this message in context: http://elecraft.365791.n2.nabble.com/KCOMM-error-List-index-tp7561276p7561289.html Sent from the Elecraft mailing list archive at Nabble.com. __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
[Elecraft] K2 Key Out?
Due to serious illness I am looking at simplifying and downsizing my radio equipment and returning to QRP using my old K2. Unfortunately the K2 seems to lack a facility that I used on the K3 namely a KEY OUT jack that could be used to key an external amplifier on transmit (or in my case the MFJ noise cancelling box, to avoid having to use the RF sensing.) Is there a solution? - Julian, G4ILO. K2 #392 K3 #222. * G4ILO's Shack - http://www.g4ilo.com * KComm - http://www.g4ilo.com/kcomm.html * KTune - http://www.g4ilo.com/ktune.html -- View this message in context: http://elecraft.365791.n2.nabble.com/K2-Key-Out-tp6606742p6606742.html Sent from the Elecraft mailing list archive at Nabble.com. __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] OT: WWV-driven station clock that displays zulu time
Jim Wiley-2 wrote: That would be a good project for the likes of Elecraft. A truly useful station accessory, and a good candidate for a kit to keep the gotta solder something types happy. An updated design should be easy. What a great idea! It could even output a 10MHz frequency reference for use with the K3XREF. But I hope they make it so it works with something we can use over here. WWV is not a good enough signal to be reliable. - Julian, G4ILO. K2 #392 K3 #222. * G4ILO's Shack - http://www.g4ilo.com * KComm - http://www.g4ilo.com/kcomm.html * KTune - http://www.g4ilo.com/ktune.html -- View this message in context: http://elecraft.365791.n2.nabble.com/OT-WWV-driven-station-clock-that-displays-zulu-time-tp6428064p6430246.html Sent from the Elecraft mailing list archive at Nabble.com. __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] KX3 LO injection
Dave KK7SS wrote: Just thought I'd ask, as there are two common ways to do it: One is to shift the filter passband and the other is to adjust the LO injection frequency. My IC7200 had the 'hiss' problem. Using IF shift would reduce it but would also tend to muffle the audio. Didn't like that. :( But shifting the LO injection frequency would worsen the carrier suppression. I used to spend a lot of time fiddling with analog rigs trying to do the same thing. Got it sounding nice, then noticed that when I keyed the mic the output meter was showing a reading even though there was no modulation. :( I run my K3 in SSB with the filter centered on 1.4kHz and it sounds great to me. - Julian, G4ILO. K2 #392 K3 #222. * G4ILO's Shack - http://www.g4ilo.com * KComm - http://www.g4ilo.com/kcomm.html * KTune - http://www.g4ilo.com/ktune.html -- View this message in context: http://elecraft.365791.n2.nabble.com/KX3-LO-injection-tp6429871p6430256.html Sent from the Elecraft mailing list archive at Nabble.com. __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] K2's Future
Don Wilhelm-4 wrote: Bottom line -- Your K2s will not be obsolete, and Elecraft will continue to provide support, but there may be no further enhancements. I suspect you may be correct, but I suspect that more than a few people would be interested if the K2 was supported by the availability of a digital modes interface along the lines of the one designed and made available several years ago as a limited edition kit by Pauli EA3BLQ (SK)? - Julian, G4ILO. K2 #392 K3 #222. * G4ILO's Shack - http://www.g4ilo.com * KComm - http://www.g4ilo.com/kcomm.html * KTune - http://www.g4ilo.com/ktune.html -- View this message in context: http://elecraft.365791.n2.nabble.com/K2-s-Future-tp6424873p6427794.html Sent from the Elecraft mailing list archive at Nabble.com. __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] KX3 Info Sign-up Form
No, still the same message. :( Julian, G4ILO (About to hit the road) On 26 May 2011 06:38, Eric Swartz - WA6HHQ, Elecraft e...@elecraft.com wrote: Odd - I'm seeing a lot of entries come in fine. The host resolution is part of the anti-spammer protection. Give it another try. 73, Eric (About to go to bed... ) On 5/25/2011 10:30 PM, Julian, G4ILO wrote: Just had a chance to try this before I go away for a few days. I don't know if there is a confirmation to prevent anyone putting anyone's email in this form, otherwise you might be in trouble if the spammers find it. But when I tried to submit my data I got: Form Submission Aborted. You're hostname cannot be resolved from 89.241.2.124. Eric Swartz - WA6HHQ, Elecraft wrote: Our sign-up form for new KX3 information, ordering notification etc., is now on the Elecraft web server. See: http://www.elecraft.com/KX3/kx3signup.htm We'll have the KX3 data sheet and other info up later tomorrow, along with a link from our main page to this form. 73, Eric WA6HHQ www.elecraft.com - Julian, G4ILO. K2 #392 K3 #222. * G4ILO's Shack - http://www.g4ilo.com * KComm - http://www.g4ilo.com/kcomm.html * KTune - http://www.g4ilo.com/ktune.html -- View this message in context: http://elecraft.365791.n2.nabble.com/KX3-Info-Sign-up-Form-tp6405646p6405658.html Sent from the Elecraft mailing list archive at Nabble.com. __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] KX3: How much space inside?
Ideally I would too. On the other hand, I already have a T1. So I use something I've already got and save myself the cost of the internal ATU to put towards the transverter, which might even cover 4m as well as 2! Every cloud has a silver lining! M0XDF wrote: Hmmm - shame - since I'd like both - ok so the FT-817 doesn't have the ATU and so the KX3 with a 2m option and external ATU is about the same, but with obviously better HF than the 817. On 25 May 2011, at 17:29, Wayne Burdick wrote: We're leaving hooks in place for either a 2 m or 4 m transverter (or possibly both) in the KX3. It would be in the ~5W range, and would substitute for the optional ATU. If you needed both the transverter and an ATU, you'd need to use an external ATU such as the Elecraft T1, which can be band-switched and remotely tuned directly from the KX3. - Julian, G4ILO. K2 #392 K3 #222. * G4ILO's Shack - http://www.g4ilo.com * KComm - http://www.g4ilo.com/kcomm.html * KTune - http://www.g4ilo.com/ktune.html -- View this message in context: http://elecraft.365791.n2.nabble.com/KX3-How-much-space-inside-tp6396543p6403953.html Sent from the Elecraft mailing list archive at Nabble.com. __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] KX3 Info Sign-up Form
Just had a chance to try this before I go away for a few days. I don't know if there is a confirmation to prevent anyone putting anyone's email in this form, otherwise you might be in trouble if the spammers find it. But when I tried to submit my data I got: Form Submission Aborted. You're hostname cannot be resolved from 89.241.2.124. Eric Swartz - WA6HHQ, Elecraft wrote: Our sign-up form for new KX3 information, ordering notification etc., is now on the Elecraft web server. See: http://www.elecraft.com/KX3/kx3signup.htm We'll have the KX3 data sheet and other info up later tomorrow, along with a link from our main page to this form. 73, Eric WA6HHQ www.elecraft.com - Julian, G4ILO. K2 #392 K3 #222. * G4ILO's Shack - http://www.g4ilo.com * KComm - http://www.g4ilo.com/kcomm.html * KTune - http://www.g4ilo.com/ktune.html -- View this message in context: http://elecraft.365791.n2.nabble.com/KX3-Info-Sign-up-Form-tp6405646p6405658.html Sent from the Elecraft mailing list archive at Nabble.com. __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] KX3: How much space inside?
M0XDF wrote: Yes, a good step - I really want this to be an FT-817 killer. I can live without 70cm, but 2m SSB is quite important to me for UKAC contests, FM would just be more icing on the cake. Yes, 2m is one of the most popular bands for SOTA activations which I guess the KX3 would be popular for. It would also take maximum advantage of the all mode capability. Whilst 70cm would be nice, I guess it would be expecting too much for there to be space for two internal transverter modules. The other thing that would be a huge selling point in Europe if it could be designed in is support for the 4m band. There is no radio that covers 4m apart from a couple of cheap Chinese FM handies. A lot of countries have 4m now and again it is a popular band for SOTA activations. I don't know whether it is feasible to push the upper frequency limit from 50MHz to 70MHz but I am sure there are people who would buy one for that reason alone, if it were possible. - Julian, G4ILO. K2 #392 K3 #222. * G4ILO's Shack - http://www.g4ilo.com * KComm - http://www.g4ilo.com/kcomm.html * KTune - http://www.g4ilo.com/ktune.html -- View this message in context: http://elecraft.365791.n2.nabble.com/KX3-How-much-space-inside-tp6396543p6400528.html Sent from the Elecraft mailing list archive at Nabble.com. __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] KX3 Pedestrian Mobile
Paul Saffren N6HZ wrote: Remember those watch bands from the 70's? We built up a scale model in the shop and it fits perfectly on one's forearm. paul At last, I get to be Dick Tracy! - Julian, G4ILO. K2 #392 K3 #222. * G4ILO's Shack - http://www.g4ilo.com * KComm - http://www.g4ilo.com/kcomm.html * KTune - http://www.g4ilo.com/ktune.html -- View this message in context: http://elecraft.365791.n2.nabble.com/KX3-Pedestrian-Mobile-tp6392086p6394967.html Sent from the Elecraft mailing list archive at Nabble.com. __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] Something *really* new at Dayton from Elecraft
Oliver Dröse wrote: It isn't! At least 2 m is missing. :-(( Yes, I have to agree. Is it too late for provision to be made in the design for a 5W (at least) internal 2m transverter module? I think there are a lot of people for whom this would make a big difference to the eventual purchase decision. - Julian, G4ILO. K2 #392 K3 #222. * G4ILO's Shack - http://www.g4ilo.com * KComm - http://www.g4ilo.com/kcomm.html * KTune - http://www.g4ilo.com/ktune.html -- View this message in context: http://elecraft.365791.n2.nabble.com/Something-really-new-at-Dayton-from-Elecraft-tp6380523p6391223.html Sent from the Elecraft mailing list archive at Nabble.com. __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] Something *really* new at Dayton from Elecraft
M0XDF wrote: I'm guessing (hoping) there will be an KX144XV module - if so, I won't buy the FT-817, if not I might! 73 de M0XDF, K3 #174, P3 #108, KX3 #??? Or so one could sell the FT-817 to help fund the KX3. A lot of people have been hoping for new FT-817 for a long time. Never guessed it would come from Elecraft. I bet these are going to be backordered for months. At least. - Julian, G4ILO. K2 #392 K3 #222. * G4ILO's Shack - http://www.g4ilo.com * KComm - http://www.g4ilo.com/kcomm.html * KTune - http://www.g4ilo.com/ktune.html -- View this message in context: http://elecraft.365791.n2.nabble.com/Something-really-new-at-Dayton-from-Elecraft-tp6380523p6383795.html Sent from the Elecraft mailing list archive at Nabble.com. __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] Is the K2 cable to the computer the same as one for the K3?
The K2 cable only has the TS RX and GND connections used for serial communication. It does not have connections for RTS or DTR which can be used to key the K3 because the K2 does not have those signal pins. The K2 DB9 socket is not a true RS-232 connector and you can damage the K2 by plugging a real serial cable into it. Therefore it would be best to buy a separate proper cable for use with the K3 and only the K3 rather than modify your K2 cable and then risk damaging your K2. Julian, G4ILO Philip L. Graitcer-2 wrote: I am using a built according to the manual K2 cable between my K3 and USB/serial port adapter/computer. It seems to have good functionality, except I can't use the Function keys in the N1MM logger to send code. I suspect it might be that jumper that was in the K2 cable. If the K2 cable is not compatible for the K3, can I make it that way (since I have an extra). Or do I have another problem? - Julian, G4ILO. K2 #392 K3 #222. * G4ILO's Shack - http://www.g4ilo.com * KComm - http://www.g4ilo.com/kcomm.html * KTune - http://www.g4ilo.com/ktune.html -- View this message in context: http://elecraft.365791.n2.nabble.com/Is-the-K2-cable-to-the-computer-the-same-as-one-for-the-K3-tp6373682p6374693.html Sent from the Elecraft mailing list archive at Nabble.com. __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] XV144
I also have an IC-910H (which is surplus to requirements now I have the XV144, if any UK based person is interested.) I much prefer the sound of the K3 receiver and having the standard K3 shift and width controls does help pulling a weak SSB signal out of the noise. John Ragle wrote: Roger...(and other perhaps-interested parties on the list) Good advice. However, I think the dynamic range issue is not of great concern, since I live in a fairly isolated rural area with no local VHF/UHF contesters. Moreover, the 910 works into a TE Systems amp with a GaAsFET preamp in line to improve the 910's not-so-hot noise figure. At 144 MHz I am not so concerned about line loss, but on 432 I have a mast-mounted GaAsFET preamp, since the 910 is really quite deaf on 432 and line loss is more of a problem. Another factor which is somewhat of an aid is that I don't lie on the line of sight of anyone ELSE; in particular VT and NH are very sparsely populated with VHF/UHF stations, and the active Maine stations are well away from my bearing from just about anywhere. My 10 element 2 meter beam also adds some selectivity because of its directivity, and 11 elements on 432 does the same. A third comment: I have compared the 910 against the XV144 on the same antenna and feed line against the stations that are local -- the closest are mostly in the Hartford area 60-70 kM south of me and there don't seem to be any issues on receive. I have used these two setups interchangeably for the past several weeks with no noticeable differences at all, specifically for comparison purposes. If cost and physical space were no issue, I would probably choose to run a Kuhne TR144H, but that unit is too costly for me (around 4X the price of the XV144). I managed a once-in-a-lifetime deal on the ICOM 910H, and with preamps it is a nice little box. Thank you for the response. I was aware of the advantages of transverter use, but maybe there are others on the list who will benefit from your comment. John Ragle -- W1ZI = K8RS wrote: John, If you are a casual 2M op than the 910H will serve you well, but if you are a contest op, then I would keep the XV144. You will be disappointed in the 910H on 2M during a contest. Local stations and big power stations will show up all over your 910H dial underneath/overtop of the station you want to work.. There is a trade off when you step away from transverters. Roger K8RS - Julian, G4ILO. K2 #392 K3 #222. * G4ILO's Shack - http://www.g4ilo.com * KComm - http://www.g4ilo.com/kcomm.html * KTune - http://www.g4ilo.com/ktune.html -- View this message in context: http://elecraft.365791.n2.nabble.com/XV144-tp6364463p6365157.html Sent from the Elecraft mailing list archive at Nabble.com. __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] Plasma TV Noise any ideas on how to filter it out.
Jim Wiley-2 wrote: The FCC has the power to force your neighbor to stop using the interfering device. Bet that improves neighbourly relations no end. - Julian, G4ILO. K2 #392 K3 #222. * G4ILO's Shack - http://www.g4ilo.com * KComm - http://www.g4ilo.com/kcomm.html * KTune - http://www.g4ilo.com/ktune.html -- View this message in context: http://elecraft.365791.n2.nabble.com/Re-Plasma-TV-Noise-any-ideas-on-how-to-filter-it-out-tp6350275p6351219.html Sent from the Elecraft mailing list archive at Nabble.com. __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] KPA-500 Output for Input schedule?
Don Wilhelm-4 wrote: Of course it can be driven by lower power. The KPA500 is a linear amplifier. If 40 watts in produces 500 out, then 20 in will give 250 out and 10 in will produce 125 watts. If the relationship is otherwise, then it is not acting as a linear amplifier. The same thing should be true for any linear amplifier - that is the definition of linear operation. If it does that then it will be the first linear amplifier I have ever seen that actually keeps that relationship across the whole of its range. Most solid state amplifiers exhibit noticeable compression as you increase the input power, so you get a lot more than half the rated power out for half the specified drive power. Take a look at the figures for this Mirage amp (selected at random as being the first spec sheet I could find that proved the point.) It is only truly linear up to half its rated output. 10W in gives the rated 160W output, but 5W gives you 150W 2.5W would give you somewhere around 120W. The VHF amp I have here has a similar characteristic. Although it is designed to be driven with 5W input I am actually driving it with the K3/K144XV with less than half that power and still get virtually full output. So I think the OP actually asked a very reasonable question. - Julian, G4ILO. K2 #392 K3 #222. * G4ILO's Shack - http://www.g4ilo.com * KComm - http://www.g4ilo.com/kcomm.html * KTune - http://www.g4ilo.com/ktune.html -- View this message in context: http://elecraft.365791.n2.nabble.com/KPA-500-Output-for-Input-schedule-tp6352735p6353030.html Sent from the Elecraft mailing list archive at Nabble.com. __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] KPA-500 Output for Input schedule?
You can read the detailed description at the link I gave. In fact, it claims to have active bias for improved SSB linearity. So it is definitely intended for SSB use. I agree that a graph of output power vs. input power should be a straight line. But I don't believe there is a linear amplifier out there in the real world, particularly a solid state one, where that is actually remotely true. The practical answer may be less how much non-linearity is acceptable so much as how much linearity the state of the art is capable of within the acceptable price range. So I think Stan WB2LQF deserved a better answer to his request for an output for input schedule than the statement that it was a linear relationship. If Elecraft is indeed claiming the relationship between input and output of the KPA500 is perfectly linear then let them say it. Otherwise I don't believe it. Peter Wollan-2 wrote: Perhaps that Mirage amp is intended for FM? Not all amps need to be linear. Peter W0LLN On Wed, May 11, 2011 at 2:02 PM, Wes Stewart lt;n...@yahoo.comgt; wrote: Then by definition, they aren't linear. A graph of output power vs. input power should be a straight line. It it isn't then it's non-linear. The practical question is how much non-linearity is acceptable. --- On Wed, 5/11/11, Julian, G4ILO lt;julian.g4...@gmail.comgt; wrote: If it does that then it will be the first linear amplifier I have ever seen that actually keeps that relationship across the whole of its range. Most solid state amplifiers exhibit noticeable compression as you increase the input power, so you get a lot more than half the rated power out for half the specified drive power. Take a look at the figures for this Mirage amp (selected at random as being the first spec sheet I could find that proved the point.) It is only truly linear up to half its rated output. 10W in gives the rated 160W output, but 5W gives you 150W 2.5W would give you somewhere around 120W. The VHF amp I have here has a similar characteristic. Although it is designed to be driven with 5W input I am actually driving it with the K3/K144XV with less than half that power and still get virtually full output. So I think the OP actually asked a very reasonable question. __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html - Julian, G4ILO. K2 #392 K3 #222. * G4ILO's Shack - http://www.g4ilo.com * KComm - http://www.g4ilo.com/kcomm.html * KTune - http://www.g4ilo.com/ktune.html -- View this message in context: http://elecraft.365791.n2.nabble.com/KPA-500-Output-for-Input-schedule-tp6352735p6353364.html Sent from the Elecraft mailing list archive at Nabble.com. __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] New XG3 f/w includes CW beacon mode
Edward R. Cole wrote: For QRSS modes one could use a transistor switch to key the output. That is how I keyed the output of a DDS synthesizer on 500-KHz for driving my 100w 600m xmtr. Of course the K3 does all modes on 500-KHz at 0 dBm and that is what I currently use as driver. You'd need a PIC thingy to do the keying too, though. QRSS isn't only done using on/off keying, it can be done using 5Hz shift FSK. - Julian, G4ILO. K2 #392 K3 #222. * G4ILO's Shack - http://www.g4ilo.com * KComm - http://www.g4ilo.com/kcomm.html * KTune - http://www.g4ilo.com/ktune.html -- View this message in context: http://elecraft.365791.n2.nabble.com/New-XG3-f-w-includes-CW-beacon-mode-tp6311176p6313829.html Sent from the Elecraft mailing list archive at Nabble.com. __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] New XG3 f/w includes CW beacon mode
How slow will it go? Can it do QRSS? Eric Swartz - WA6HHQ, Elecraft wrote: We've released a f/w upgrade for the XG3 signal source. It will be found by the XG3 utility if you are connected to the internet and click on the utility's Copy New Files from Elecraft' button. Starting with version 1.07, the XG3 contains a Morse code sender with memory function. This memory can be programmed to repeat the CW message, step through different power levels and transmit a carrier for a specific amount of time. (Excellent for T-Hunts!) Yesterday I set it up with an 18 whip antenna in the window of my ground level office to beacon on 144.120 MHz. It sent a CW ID followed by 2 second carriers at 0 dBm, -33 dBm and -73 dBm, and then repeated. We were able to hear the CW up to several blocks away with the XG3 set to 0 dBm output. The XG3's PF1 sweep button can be programmed by the user to be used as the CW memory for the XG3. The Morse code sender can be adjusted for WPM (words per minute), and the memory can hold up to 50 characters. Meta-characters permit pauses, carrier on/off, repeat and output level changes. The XG3 will save the prior output state and restore it after sending the sequence. A convenient way to enter serial commands is to use the XG3 Utility’s Command Tester (far right tab). (After upgrading you version 1.07, you may need to re-enter any programmed sweeps.) Below is a summary of this feature. For full details, see the release notes for the XG3 1.07 release, which can viewed via the help menu in XG3 Utility (after downloading the new firmware from our server), or directly from our XG3 web page at: http://www.elecraft.com/XG3/xg3.htm Supported Morse Characters Letters: A-Z Numbers: 0-9 Punctuation: . / ? @ Special: * = SK + = AR - = BK _ = word space Morse Memory Meta-characters ^n - set level to n (0 = 0 dBm, 1 = -33, 2 = -73, 3 = -107) :nn - turn carrier on for nn seconds (00 to 99) $nn - pauses for nn seconds (00 to 99) |nn - recall band/memory nn (0 to 11) # - repeat entire sequence Have fun! 73, Eric WA6HHQ www.elecraft.com __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html - Julian, G4ILO. K2 #392 K3 #222. * G4ILO's Shack - http://www.g4ilo.com * KComm - http://www.g4ilo.com/kcomm.html * KTune - http://www.g4ilo.com/ktune.html -- View this message in context: http://elecraft.365791.n2.nabble.com/New-XG3-f-w-includes-CW-beacon-mode-tp6311176p6311302.html Sent from the Elecraft mailing list archive at Nabble.com. __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] K3STFNR
That's a good question. I haven't noticed the problem the stiffener solves, but I don't use the internal speaker. But one day I might. Richard Thorpe-2 wrote: I am awaiting the K3EXREF mod to become available. While I have my K3 apart should I upgrade and add the K3STFNR plates to the two synthesizer boards in my K3. I've checked the archives with mixed results as to the efficacy of this mod. Any opinions out there? Thank you. - Julian, G4ILO. K2 #392 K3 #222. * G4ILO's Shack - http://www.g4ilo.com * KComm - http://www.g4ilo.com/kcomm.html * KTune - http://www.g4ilo.com/ktune.html -- View this message in context: http://elecraft.365791.n2.nabble.com/K3STFNR-tp6311266p6311305.html Sent from the Elecraft mailing list archive at Nabble.com. __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] K2 Control Cable Question
Jim Campbell wrote: Therein lies a problem. I am using 64-bit Windows 7. Thanks anyway. I've used Eterlogic VSPE for this sort of thing with a K3 (http://www.eterlogic.com/Products.VSPE.html). Don't see why it won't work with a K2. They do have a 64-bit version but unlike the 32-bit one it isn't free. - Julian, G4ILO. K2 #392 K3 #222. * G4ILO's Shack - http://www.g4ilo.com * KComm - http://www.g4ilo.com/kcomm.html * KTune - http://www.g4ilo.com/ktune.html -- View this message in context: http://elecraft.365791.n2.nabble.com/K2-Control-Cable-Question-tp6310306p6311357.html Sent from the Elecraft mailing list archive at Nabble.com. __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
[Elecraft] K3EXREF Questions
1. Will the K3EXREF work straight from the output of an Efratom LPRO-101 or does it need a TTL square wave output or something else requiring extra circuitry between the LPRO and the K3? 2. If the K3EXREF is installed, will the K3 still work as normal if the frequency standard is not turned on? To maximize life of the rubidium lamp in the frequency standard I wouldn't want to leave it on all the time and for a lot of amateur operation the frequency accuracy it provides isn't needed anyway. Julian, G4ILO - Julian, G4ILO. K2 #392 K3 #222. * G4ILO's Shack - http://www.g4ilo.com * KComm - http://www.g4ilo.com/kcomm.html * KTune - http://www.g4ilo.com/ktune.html -- View this message in context: http://elecraft.365791.n2.nabble.com/K3EXREF-Questions-tp6278990p6278990.html Sent from the Elecraft mailing list archive at Nabble.com. __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] [Elecraft_K3] New Elecraft Product: PLL Reference Lock Option for the K144XV 2-Meter Module
Do you have an anticipated price for the EX REF module? - Julian, G4ILO. K2 #392 K3 #222. * G4ILO's Shack - http://www.g4ilo.com * KComm - http://www.g4ilo.com/kcomm.html * KTune - http://www.g4ilo.com/ktune.html -- View this message in context: http://elecraft.365791.n2.nabble.com/New-Elecraft-Product-PLL-Reference-Lock-Option-for-the-K144XV-2-Meter-Module-tp6270639p6272055.html Sent from the Elecraft mailing list archive at Nabble.com. __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] K3/100 power supply
Bill W4ZV wrote: If you operate SSB at full power, I'd recommend at least 13.8V and preferably higher. The K3 is specified up to 15V and exhibits better TX IMD performance at higher voltages. I set my Astron RS-35M for 14.5V at the K3 terminals. 73, Bill I use a Diamond GSV-3000. It is a transformer based supply and has a variable voltage control with a detent at 13.8V so you can set the voltage to a higher level for better TX performance. - Julian, G4ILO. K2 #392 K3 #222. * G4ILO's Shack - http://www.g4ilo.com * KComm - http://www.g4ilo.com/kcomm.html * KTune - http://www.g4ilo.com/ktune.html -- View this message in context: http://elecraft.365791.n2.nabble.com/K3-100-power-supply-tp6264879p6265706.html Sent from the Elecraft mailing list archive at Nabble.com. __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] K3EXREF and Trimble Thunderbolts
Don. WSPR is AFSK with a very small shift at a very low rate. My thinking is that if a stepwise frequency correction was made during a transmit or receive period, it would cause a corresponding shift of the VFO which might be enough to throw the decoder of the receiver. I don't know, that's why I was asking. K2ULR has told me off-list that he did not believe corrections are made while the K3 is transmitting. But it might still affect receiving. I think it is important to know because WSPR is one of those modes where frequency accuracy is really helpful and habitual users of the mode will probably be interested in the K3EXREF. Don Wilhelm-4 wrote: Julian, Please explain why you think any vfo tuning steps are related to a frequency shift induced from the audio input to the K3. I believe this is mixing two entirely separate parameters. I have not actually operated WSPR, but it cannot be that difficult (nor that precise in practice). I believe one would use DATA A sub-mode for WSPR work. The VFO places the waterfall within 1 Hz of the desired fequency with the external reference (actually that could be within 50 Hz - same argument). Now the software applying the audio to the K3 has to shift 1.5 Hz (or 170 Hz for that matter), As long as the K3 can tune the desired frequency to be in the passband, the software and audio input to the K3 will take care of the audio shift. The only requirement is that the K3 remain frequency stable once the frequency is selected - the rest is done in the computer application software. 73, Don W3FPR - Julian, G4ILO. K2 #392 K3 #222. * G4ILO's Shack - http://www.g4ilo.com * KComm - http://www.g4ilo.com/kcomm.html * KTune - http://www.g4ilo.com/ktune.html -- View this message in context: http://elecraft.365791.n2.nabble.com/K3EXREF-and-Trimble-Thunderbolts-tp6242158p6245052.html Sent from the Elecraft mailing list archive at Nabble.com. __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] K3EXREF and Trimble Thunderbolts
What are the advantages / disadvantages of this type of frequency standard over the Efratom LPRO-101 which is a rubidium standard? Julian, G4ILO - Julian, G4ILO. K2 #392 K3 #222. * G4ILO's Shack - http://www.g4ilo.com * KComm - http://www.g4ilo.com/kcomm.html * KTune - http://www.g4ilo.com/ktune.html -- View this message in context: http://elecraft.365791.n2.nabble.com/K3EXREF-and-Trimble-Thunderbolts-tp6242158p6242619.html Sent from the Elecraft mailing list archive at Nabble.com. __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] K3EXREF and Trimble Thunderbolts
Thanks to Leigh for his detailed explanation. Also to you, Rich, for explaining how the frequency standard is applied to the K3. I still have a couple of questions. If, as I believe is the case, the K3 REF CAL has fairly large discrete steps, is there any benefit in using a reference oscillator that is many times more accurate than that? All one is looking for is something that will keep the K3 as accurate as it can be without the need to perform regular manual checks. A standard that has extra precision is not going to make the K3 any more accurate because the reference oscillator is being controlled using discrete steps. Has anyone tested the effect of these small stepwise adjustments of frequency on the WSPR mode, in which the data is transmitted using a frequency shift of about 1.5Hz? Julian, G4ILO Rich Heineck wrote: The K3EXREF uses the 10 MHz standard as it's time base to measure the K3's TCXO and passes an error value to the K3's MCU every few seconds. No TCXO frequency control takes place, thus no increase in phase noise. Frequency compensation is done in software by automatically updating the REF CAL function. A relatively simple mechanism but effective :) For my installation, I'm using a Thunderbolt, an $11 active antenna from Digi-Key, and a 30' run of RG-6, which works nicely with the F connector on the Tbolt. - Julian, G4ILO. K2 #392 K3 #222. * G4ILO's Shack - http://www.g4ilo.com * KComm - http://www.g4ilo.com/kcomm.html * KTune - http://www.g4ilo.com/ktune.html -- View this message in context: http://elecraft.365791.n2.nabble.com/K3EXREF-and-Trimble-Thunderbolts-tp6242158p6243940.html Sent from the Elecraft mailing list archive at Nabble.com. __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] Buy K3 in Europe
http://www.qrpproject.de/UK/elecraft_k3.html or direct from Elecraft. - Julian, G4ILO. K2 #392 K3 #222. * G4ILO's Shack - http://www.g4ilo.com * KComm - http://www.g4ilo.com/kcomm.html * KTune - http://www.g4ilo.com/ktune.html -- View this message in context: http://elecraft.365791.n2.nabble.com/Buy-K3-in-Europe-tp6239147p6239167.html Sent from the Elecraft mailing list archive at Nabble.com. __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] P3 Frequency display
Alan Bloom wrote: I think the PowerMate must be using UP and DN commands to tune the K3 up and down. Currently the K3 does not send updated frequency information to the P3 when receiving those commands. This is on Wayne's bug list. Yes, that's exactly what it (or rather KTune) does. - Julian, G4ILO. K2 #392 K3 #222. * G4ILO's Shack - http://www.g4ilo.com * KComm - http://www.g4ilo.com/kcomm.html * KTune - http://www.g4ilo.com/ktune.html -- View this message in context: http://elecraft.365791.n2.nabble.com/P3-Frequency-display-tp6212996p6214321.html Sent from the Elecraft mailing list archive at Nabble.com. __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] Forums?
Geoffrey Wolf AB3LS wrote: I noticed that there isn't an Elecraft enthusiast forum. There seems to be some Elecraft oriented discussion on the QRZ forums. I was wondering if anyone had set up their own Elecraft discussion forums. I also wanted to add that I have some relatively free server resources and I would be happy to start up a non-official Elecraft discussion forum if interest is shown. So, if some interest is shown, I would love to host a forum for everyone. Hi Geoffrey. It was tried two or three years ago. Hosted by Thom K3HRN. I was one of the moderators. We took the plunge because we thought that perhaps if people could see what an Elecraft forum could look like, with sub boards for different products (to address the concerns of K2 people that the K3 dominated the discussion etc.) they might be converted to the idea. But they weren't. There was a bit of activity in the early days but it eventually died and Thom pulled it from his server a few months ago. There was also a K3 wiki. That died too. I think the idea is and will always be a non-runner as there is too much resistance among users, as you have seen from other replies. However you can participate in the reflector in a forum-like way using Nabble (there is a link to it on the same Elecraft page that links to the reflector.) That is how most of us who would have preferred a forum now use it. - Julian, G4ILO. K2 #392 K3 #222. * G4ILO's Shack - http://www.g4ilo.com * KComm - http://www.g4ilo.com/kcomm.html * KTune - http://www.g4ilo.com/ktune.html -- View this message in context: http://elecraft.365791.n2.nabble.com/Forums-tp6211739p6211925.html Sent from the Elecraft mailing list archive at Nabble.com. __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] Anderson PowerPoles
Bruce Beford-2 wrote: Another option for configuring multiple Powerpoles to prevent accidental reverse polarity is to arrange the connectors thus: B R R B B R R B With that arrangement couldn't you still plug the power cable in offset to the left so the positive goes to the left-hand black terminal and the negative is not connected. Easily done if you can't see what you are doing and are trying to plug in the cable blind. If there is a connection back to the power supply negative through ground connections you still have a short circuit. OK, hopefully it will only blow a fuse not the radio, but with other connector types that would not be possible. - Julian, G4ILO. K2 #392 K3 #222. * G4ILO's Shack - http://www.g4ilo.com * KComm - http://www.g4ilo.com/kcomm.html * KTune - http://www.g4ilo.com/ktune.html -- View this message in context: http://elecraft.365791.n2.nabble.com/Re-Anderson-PowerPoles-tp6210391p6210719.html Sent from the Elecraft mailing list archive at Nabble.com. __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] Anderson Powerpoll connector
Nate Bargmann wrote: I concur, Crimp connectors should never be soldered under any circumstances. Get the proper tool or use a solder type connector. This valuable advice comes from both my professional and amateur experience. If that's the case, Elecraft should crimp the connectors on to the cable that comes with the kit K3. Expecting assemblers to buy a special tool just to fit two connectors is unreasonable. Having said that, I soldered my connectors as advised like no doubt hundreds of other K3 assemblers and have not experienced any problems. If Elecraft think it's OK to solder the connectors I'm not going to disagree with them. - Julian, G4ILO. K2 #392 K3 #222. * G4ILO's Shack - http://www.g4ilo.com * KComm - http://www.g4ilo.com/kcomm.html * KTune - http://www.g4ilo.com/ktune.html -- View this message in context: http://elecraft.365791.n2.nabble.com/Re-Anderson-Powerpoll-connector-tp6205508p6207701.html Sent from the Elecraft mailing list archive at Nabble.com. __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] JT65 mode
For HF use I would recommend the JT65-HF program by Joe Large over the WSJT by K1JT. Same mode, different and much easier user interface. http://jt65-hf.sourceforge.net/ - Julian, G4ILO. K2 #392 K3 #222. * G4ILO's Shack - http://www.g4ilo.com * KComm - http://www.g4ilo.com/kcomm.html * KTune - http://www.g4ilo.com/ktune.html -- View this message in context: http://elecraft.365791.n2.nabble.com/JT65-mode-tp6165036p6166183.html Sent from the Elecraft mailing list archive at Nabble.com. __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] JT65 mode
goldtr8 wrote: The next question is will 15 watts be ok or to much power. I would like to be at the lowest power that the KPA100 puts out as this should be the lowest stress on the K3. I'm sure the K3 would be happy to run 100W if you wanted to. It's rated to handle full power key down for 10 minutes and a transmit cycle is only 50 seconds or so. But most people using JT65A on HF seem to run between 20 and 40W. Others prefer to run QRP and so limit themselves to 5W. By the way, if you haven't picked up on this already, do make sure your computer clock is accurate to within a second. The Windows built-in time sync usually isn't good enough. The best software to use for this is NTP for Windows which you can get here: http://www.meinberg.de/english/sw/ntp.htm . - Julian, G4ILO. K2 #392 K3 #222. * G4ILO's Shack - http://www.g4ilo.com * KComm - http://www.g4ilo.com/kcomm.html * KTune - http://www.g4ilo.com/ktune.html -- View this message in context: http://elecraft.365791.n2.nabble.com/JT65-mode-tp6165036p6166384.html Sent from the Elecraft mailing list archive at Nabble.com. __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] CW to DATA question
K5LAD wrote: I see how the IM prosign is used to quickly terminate a transmission when sending via the key to keyer connection but I can't find how that IM can be implemented using the K3 Terminal program. I've searched archive messages and through the documentation but I'm not having any luck finding an answer. I've tried to just append the prosign characters at the end of what I'm sending but, of course, it sends IM instead of stopping. Are there some characters required to enclose the IM or how is it actually done? Hi Jim, I looked at the source code of KComm (incidentally you are welcome to do so as well, it is GPL open source Free Pascal, whether you can make head or tail of it is another matter, I can't figure out what I did half the time.) It seems that I do it by sending EOT which is Chr(4). I can't remember whether it's a K3 menu option to use one or the other or whether either of them work. The Programmers Ref will probably have the answer to that. Happy coding. - Julian, G4ILO. K2 #392 K3 #222. * G4ILO's Shack - http://www.g4ilo.com * KComm - http://www.g4ilo.com/kcomm.html * KTune - http://www.g4ilo.com/ktune.html -- View this message in context: http://elecraft.365791.n2.nabble.com/CW-to-DATA-question-tp6152313p6153986.html Sent from the Elecraft mailing list archive at Nabble.com. __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] Multiple Ghost Image CW Decodes While Using CW Skimmer a K3
KC0W wrote: Been toying around with CW Skimmer, kinda an interesting program. Anyway, I'm receiving multiple ghost image CW decodes from the same station while running Skimmer. They are 1 Kc or so apart from another. Better stated, the same stations signal is being shown on the horizontal waterfall numerous times. I have tried narrowing the K3's filters, reducing sound card audio into Skimmer toyed around with every other parameter with no success. Any ideas why I'm seeing the same station numerous times? Is the separation of the ghosts a multiple of the audio frequency of the signal? Do the ghosts go away if you turn down the volume or use headphones? It might be microphony, which has been responsible for weak transmit spurii spaced by the frequency of the sidetone. There is a stiffener for the synthesizer board that is supposed to cure the problem (if that's what it is.) - Julian, G4ILO. K2 #392 K3 #222. * G4ILO's Shack - http://www.g4ilo.com * KComm - http://www.g4ilo.com/kcomm.html * KTune - http://www.g4ilo.com/ktune.html -- View this message in context: http://elecraft.365791.n2.nabble.com/Multiple-Ghost-Image-CW-Decodes-While-Using-CW-Skimmer-a-K3-tp6070469p6073978.html Sent from the Elecraft mailing list archive at Nabble.com. __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] K-3: USB SignaLink for better RTTY decoding?
I use digital modes quite a lot and I think the factor that makes the biggest difference with the ability to copy correctly is the sound card clock accuracy which affects the baud rate. With some of the cheaper sound cards the clock rate when 11025Hz is selected may be 11050Hz or even 11100Hz. This can make all the difference between decoding a mode like Olivia or 1200baud packet and not decoding it. I wouldn't have thought RTTY being a slower mode was as sensitive but I don't use RTTY so I can't say one way or another. One thing you could do is use the built-in RTTY decoder in the K3. KComm supports it. - Julian, G4ILO. K2 #392 K3 #222. * G4ILO's Shack - http://www.g4ilo.com * KComm - http://www.g4ilo.com/kcomm.html * KTune - http://www.g4ilo.com/ktune.html -- View this message in context: http://elecraft.365791.n2.nabble.com/K-3-USB-SignaLink-for-better-RTTY-decoding-tp6058937p6059658.html Sent from the Elecraft mailing list archive at Nabble.com. __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] K2 and FLdigi
Are you using a USB to serial adapter? I had trouble with Fldigi and my K2 when using an adapter with the Prolific chip set. I enabled the diagnostics and some of the data from the radio was getting garbled. I tried an FTDI adapter and that worked. Don't ask me why some programs work and some don't. It's a mystery. Julian, G4ILO Bob-19 wrote: I've recently setup my K2 for digital modes using HRD and DM780. After some fiddling with audio levels, HRD/DM780 seems to work reliably with my K2. It was subsequently suggested that I try the FLdigi set of software (FLdigi, FLrig, FLmsg and FLwrap) instead since it includes additional features for reliable communications that are being adopted for emergency communications by some organizations. After setting up FLrig for my K2, FLdigi/FLrig at first seems to work OK, but after a short period of time, the control of my K2 becomes unstable, e.g., either not releasing from transmit mode or not going into transmit mode; and the only way to clear the problem is to power cycle my K2. I've now tried both HRD/DM780 and FLdigi/FLrig several times and the HRD/DM780 has been consistently reliable and FLdigi/FLrig has been consistently unstable. Does anyone know how to get FLdigi/FLrig to work reliably with a K2? - Julian, G4ILO. K2 #392 K3 #222. * G4ILO's Shack - http://www.g4ilo.com * KComm - http://www.g4ilo.com/kcomm.html * KTune - http://www.g4ilo.com/ktune.html -- View this message in context: http://elecraft.365791.n2.nabble.com/K2-and-FLdigi-tp6053291p6054248.html Sent from the Elecraft mailing list archive at Nabble.com. __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] [K3] N3FJP and K3 control issue
Greg - AB7R wrote: I also addressed this with Scott a couple years ago and he had no interest in modifying the software for the K3. I think the problem is the K3's habit of restoring the mode last used on a band when you change to that band. It seems to override the mode set in the software. In KComm I overcame it by waiting a bit before sending the mode command to give the unwanted mode change time to take effect. But since I'm only supporting Elecraft radios I can work around the quirks. I can understand a developer's unwillingness to make major logic changes to accommodate one radio which might end up causing issues with several others. I actually would like the K3 to do ONLY what the software command tells it to do. It may be helpful to restore the last used mode when changing bands via the front panel but it is illiogical to change modes when you send a computer command that just says change frequency. If the K3 would do what the computer tells it and only what the computer tells it then it would fix an annoying problem with several programs besides N3FJP. - Julian, G4ILO. K2 #392 K3 #222. * G4ILO's Shack - http://www.g4ilo.com * KComm - http://www.g4ilo.com/kcomm.html * KTune - http://www.g4ilo.com/ktune.html -- View this message in context: http://elecraft.365791.n2.nabble.com/Re-K3-N3FJP-and-K3-control-issue-tp6029403p6029578.html Sent from the Elecraft mailing list archive at Nabble.com. __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] UK Import Duty attracted by factory built K3.
You can also buy from QRP Project in Germany if you want to avoid the high shipping costs from the USA. I think German VAT is now cheaper than ours. The built K3s are I think professionally assembled in Germany from kits. It's a bit hard to find pricing on that website, though. - Julian, G4ILO. K2 #392 K3 #222. * G4ILO's Shack - http://www.g4ilo.com * KComm - http://www.g4ilo.com/kcomm.html * KTune - http://www.g4ilo.com/ktune.html -- View this message in context: http://elecraft.365791.n2.nabble.com/UK-Import-Duty-attracted-by-factory-built-K3-tp6009973p6012610.html Sent from the [K3] mailing list archive at Nabble.com. __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] K2: active cooling for data modes?
I think the same answer applies as to the earlier thread about running 100W on digital modes using a K3. With PSK31 the IMD products will be too high running the K2/10 at 10W, though to be fair, having done the comparison, my own K2/10 is cleaner at 10W than my K3 is at the same power level and is probably within the bounds of acceptability. Olivia, MFSK and RTTY should be OK at 10W as they are FSK mode (though Olivia has been all but killed off over here by the selfish hordes running the 2.2kHz wide ROS mode above 14.100.) But the K2/10 was not designed for extended key-down operation. As the heat sink for the 10W PA is the bottom of the case there isn't much scope for doing what you suggest unless you want the K2 to sit on a heat sink. But you should also look at the driver stage which is not heat sinked at all. I found that ran hotter than the PA so I fitted a small heat sink to it internally. I do run my K2 at 10W in digital modes but only for APRS packet where the transmissions a maximum of a few seconds. Julian, G4ILO Owen B. Mehegan wrote: At the moment I mostly use my K2 (no KPA100) for data modes - PSK31 and Olivia. I've read that it's recommended you keep the power to 5 watts for these modes due to the high duty cycle, so I've been doing that. But there are times when I hear faraway stations but they don't hear me. Maybe it would be futile, but the temptation to turn up the power to try and make contact is always there. Neither antenna improvements nor any sort of amp are in my immediate future, but I was thinking today... if cooling the finals is the main concern, has anyone tried modding their K2 to include a more beefy heatsink and a small fan? Just wondering if the idea even makes any sense... - Julian, G4ILO. K2 #392 K3 #222. * G4ILO's Shack - http://www.g4ilo.com * KComm - http://www.g4ilo.com/kcomm.html * KTune - http://www.g4ilo.com/ktune.html -- View this message in context: http://elecraft.365791.n2.nabble.com/K2-active-cooling-for-data-modes-tp5987731p5988112.html Sent from the [K2] mailing list archive at Nabble.com. __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] K3 Observations Digital Modes and SSB
I meant ... if you had a KPA*500* you could drive it to 100W output and ... - Julian, G4ILO. K2 #392 K3 #222. * G4ILO's Shack - http://www.g4ilo.com * KComm - http://www.g4ilo.com/kcomm.html * KTune - http://www.g4ilo.com/ktune.html -- View this message in context: http://elecraft.365791.n2.nabble.com/K3-Observations-Digital-Modes-and-SSB-tp5976035p5984107.html Sent from the [K3] mailing list archive at Nabble.com. __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] K3 Observations Digital Modes and SSB
Many people object to the use of high power with PSK modes because many people operate within a small section of the band and a strong signal can make life difficult for other users. But the difference between 40W and 100W is only about 4dB, less than an S point, less than the difference between a good antenna and a so-so one and less than the typical variation in signal strength caused by QSB. If you are close (geographically) to someone else using PSK31 they are going to be strong whatever the power they are running. The most important thing when using PSK modes is not how much power you are using, but that the signal is *clean*, with the minimum of IMD products. And that is why with a barefoot K3 or any other 100W radio you should not exceed about 40W output. The K3 will certainly handle running 100W output without overheating. But you will not be a good neighbour to other users because the IMD will deteriorate substantiually as the power increases. If you had a KPA100 then I dare say you could run 100W output and be a better neighbour than someone running 40W with a barefoot rig. The reason it is necessary to run higher power when using RTTY is that it is an antiquated mode designed before the advent of DSP and it requires a stronger signal to produce good copy than PSK31. The reason it is OK to run 100W of RTTY using a barefoot K3 is because RTTY is a constant amplitude FSK mode and does not cause any IMD. Don Wilhelm-4 wrote: Giorgio, The safe power for the K3 is 100 watts. A operator using more than 20 to 50 watts for PSK31 is IMHO a band hog - PSK31 operation at QRP levels is quite common and should not be abused by those running high power (even though many do it). OTOH, RTTY is different because many operators are running the full legal limit, but I have worked several RTTY stations in a contest using only 100 watts. - Julian, G4ILO. K2 #392 K3 #222. * G4ILO's Shack - http://www.g4ilo.com * KComm - http://www.g4ilo.com/kcomm.html * KTune - http://www.g4ilo.com/ktune.html -- View this message in context: http://elecraft.365791.n2.nabble.com/K3-Observations-Digital-Modes-and-SSB-tp5976035p5984101.html Sent from the [K3] mailing list archive at Nabble.com. __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] Keyboard CW with HRD and DM780
Have you tried using the K3 Utility (or KComm)? If you can send CW with either of those it will show that the problem must be an HRD issue and not a fault with the settings of the K3. - Julian, G4ILO. K2 #392 K3 #222. * G4ILO's Shack - http://www.g4ilo.com * KComm - http://www.g4ilo.com/kcomm.html * KTune - http://www.g4ilo.com/ktune.html -- View this message in context: http://elecraft.365791.n2.nabble.com/Keyboard-CW-with-HRD-and-DM780-tp5983361p5984118.html Sent from the [K3] mailing list archive at Nabble.com. __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] K3 and MFJ 1026 hookup
Personally I didn't find the built-in whip to be any use at all. But YMMV. Vic K2VCO wrote: You can use the built-in whip or you can connect an external noise antenna. Just don't make it resonant or put it too close to the transmitting antenna if you run high power! - Julian, G4ILO. K2 #392 K3 #222. * G4ILO's Shack - http://www.g4ilo.com * KComm - http://www.g4ilo.com/kcomm.html * KTune - http://www.g4ilo.com/ktune.html -- View this message in context: http://elecraft.365791.n2.nabble.com/K3-and-MFJ-1026-hookup-tp5972691p5973382.html Sent from the Elecraft mailing list archive at Nabble.com. __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] K3 Slow power change
Yes, if you don't have sufficient audio drive. Long-press DISP so that the ALC scale is visible then adjust the input level for a steady 4 - 5 bars reading. (This assumes you are using the DATA mode not USB.) Rich - K1HTV wrote: K3 Slow power change Making a small incremental change in the power output using the PWR control will cause the slow recovery if done before or during a WSPR transmission. Is this normal? - Julian, G4ILO. K2 #392 K3 #222. * G4ILO's Shack - http://www.g4ilo.com * KComm - http://www.g4ilo.com/kcomm.html * KTune - http://www.g4ilo.com/ktune.html -- View this message in context: http://elecraft.365791.n2.nabble.com/K3-Slow-power-change-tp5966743p5966854.html Sent from the Elecraft mailing list archive at Nabble.com. __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] just 500W ?
500W is more than many of us in other parts of the world are allowed to use. Life is not too short for QRP and it certainly isn't too short for 100W, never mind 500. If that wasn't the case we'd have all given up long ago. Power is like an arms race, people get sucked in to believing they need more than the other guy. The end result is a lot of money spent for no real gain save to satisfy one's ego. Good news for amp manufacturers and that's about all. QRP: It's not how much you've got, it's what you do with it. Anyone is welcome to put that on a T shirt. AD4C2009 wrote: The shirt I wear sometimes in the hamfests says up front : Life is too short for QRP I run every night not less than 500W on 40M,only way to brake the pileups and fight againts the big guns.When every single one on the bands drop their power to 100W or less,I drop mine,that is not going to happen never anymore,its too late,so design and build another amp for 1KW and I am sure you will sell way more than the actual 500W unit. - Julian, G4ILO. K2 #392 K3 #222. * G4ILO's Shack - http://www.g4ilo.com * KComm - http://www.g4ilo.com/kcomm.html * KTune - http://www.g4ilo.com/ktune.html -- View this message in context: http://elecraft.365791.n2.nabble.com/just-500W-tp5960032p5960860.html Sent from the [QRO] mailing list archive at Nabble.com. __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] KPA500 - just 500 watts?
It's a myth that QRP stations are always weak. Sometimes, of course, they are. But 5W is only two S-points less than the 100W most people use. Antennas can make more difference than that, and no-one talks about those when having these silly life is too short for QRP arguments. Pete Smith N4ZR wrote: And I think a lot of the skill should be credited to the ops on the other end who manage to pull out the QRP stations. That said, operator skill is particularly important for any QRP station - I will never understand why many still use straight keys, badly formed cw, and unnecessary verbiage (like /QRP, for example). - Julian, G4ILO. K2 #392 K3 #222. * G4ILO's Shack - http://www.g4ilo.com * KComm - http://www.g4ilo.com/kcomm.html * KTune - http://www.g4ilo.com/ktune.html -- View this message in context: http://elecraft.365791.n2.nabble.com/KPA500-just-500-watts-tp5959017p5960882.html Sent from the [QRO] mailing list archive at Nabble.com. __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] k3 cw decoder and external keyer. does it work?
The output of external keyers normally looks like a straight key to the device they are connected to. The internal decoder only works with paddles. iz0fyl wrote: Hi I just connected an external superkeyer to the straight key port of my k3. The internal cw decoder does'nt decode my cw! Something wrong? thanks luca 73 de iz0fyl - Julian, G4ILO. K2 #392 K3 #222. * G4ILO's Shack - http://www.g4ilo.com * KComm - http://www.g4ilo.com/kcomm.html * KTune - http://www.g4ilo.com/ktune.html -- View this message in context: http://elecraft.365791.n2.nabble.com/k3-cw-decoder-and-external-keyer-does-it-work-tp5948183p5948225.html Sent from the Elecraft mailing list archive at Nabble.com. __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] K3 Bandwidth in data mode
LOoks like you haven't assigned your wider filters in data mode so the K3 knows it can use them. You can do this through the K3 Utility. Larry Boekeloo wrote: I can't find this in the manual so here goes. Any ideas how to increase the bandwidth when the K3 is in data mode? Right now, it's will only open to 200 hz and it's too narrow to tune around the band looking for rtty signals. - Julian, G4ILO. K2 #392 K3 #222. * G4ILO's Shack - http://www.g4ilo.com * KComm - http://www.g4ilo.com/kcomm.html * KTune - http://www.g4ilo.com/ktune.html -- View this message in context: http://elecraft.365791.n2.nabble.com/K3-Bandwidth-in-data-mode-tp5924655p5924718.html Sent from the Elecraft mailing list archive at Nabble.com. __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] K3 Software for RTTY
Don Wilhelm-4 wrote: Robert, While the K3 has the capability to do RTTY (and CW and PSK31) from an ASCII text stream, there are few applications that support it. K3 Utility does it, but that is not a logger. You will probably have to use the audio cables from the soundcard and use the AFSK A Data Mode. Maybe someone else will know of a ham application which sends the ASCII data stream over the RS-232 connection. 73, Don W3FPR KComm does it. I've never particularly used it though since I find the point and click method using a soundcard waterfall more convenient. - Julian, G4ILO. K2 #392 K3 #222. * G4ILO's Shack - http://www.g4ilo.com * KComm - http://www.g4ilo.com/kcomm.html * KTune - http://www.g4ilo.com/ktune.html -- View this message in context: http://elecraft.365791.n2.nabble.com/K3-Software-for-RTTY-tp5892932p5893381.html Sent from the Elecraft mailing list archive at Nabble.com. __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] WSPR with K3
John Ragle wrote: The K3.XML file available from the FLDIGI site works completely, reliably, and correctly inside FLDIGI (with the K3 in RigCAT and WIN XP or WIN 7). I would be glad to supply settings if requested (however, that is not what the gentleman asked for). FLDIGI does not require HAMLIB for rig support. The problem does exist and affects Fldigi (both RigCAT and HamLib options), KComm and any software that uses Hamlib as an interface to the radio. It only affects Prolific USB to serial adapters. FTDI adapters and real serial ports are OK as far as I know. I am only an amateur programmer so others may know better but I believe that the Prolific adapters only work reliably with software that uses the MSCOMM.OCX component for serial port access. This basically means programs written using Microsoft development tools. The programs mentioned above are open source software developed using open source tools which use open source libraries for serial port access. Open source development tools do not support OCX components because they are Windows specific so ham software developers who use these tools cannot use this component to solve the problem. Nor can they fix the problem themselves because they don't actually write the serial port code. All they can do is complain to the developers of the serial port libraries who reply it works fine with a real serial port so there is nothing wrong with our code, it is the Prolific adapter serial port emulation that is at fault. Which, while not being the helpful response you might expect from the developer of a component if you had paid good money for it, is nevertheless true. - Julian, G4ILO. K2 #392 K3 #222. * G4ILO's Shack - http://www.g4ilo.com * KComm - http://www.g4ilo.com/kcomm.html * KTune - http://www.g4ilo.com/ktune.html -- View this message in context: http://elecraft.365791.n2.nabble.com/WSPR-with-K3-tp5886419p5893431.html Sent from the [K3] mailing list archive at Nabble.com. __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] Time to Move the Reflector was: Re: Nabble
It looks like Leigh WA5ZNU is on the case... - Julian, G4ILO. K2 #392 K3 #222. * G4ILO's Shack - http://www.g4ilo.com * KComm - http://www.g4ilo.com/kcomm.html * KTune - http://www.g4ilo.com/ktune.html -- View this message in context: http://elecraft.365791.n2.nabble.com/Nabble-tp5879478p5881050.html Sent from the Elecraft mailing list archive at Nabble.com. __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
[Elecraft] Nabble
Am I doing something wrong, or is there something wrong with the communication between this reflector and Nabble? I have thought for a while that this reflector was getting very quiet. As of this moment, Nabble is showing just one post for Jan 1, yet the qth.net archives for January 2011 are showing around 30. - Julian, G4ILO. K2 #392 K3 #222. * G4ILO's Shack - http://www.g4ilo.com * KComm - http://www.g4ilo.com/kcomm.html * KTune - http://www.g4ilo.com/ktune.html -- View this message in context: http://elecraft.365791.n2.nabble.com/Nabble-tp5879478p5879478.html Sent from the Elecraft mailing list archive at Nabble.com. __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] Nabble
I'm wondering if there is a connection between that and Nabble saying that our messages have not been accepted by the list yet. I'm also surprised no-one else has noticed. Perhaps we are the only two people who use Nabble? Barry N1EU wrote: seeing the same here Julian 73/HNY, Barry N1EU Julian, G4ILO wrote: As of this moment, Nabble is showing just one post for Jan 1, yet the qth.net archives for January 2011 are showing around 30. - Julian, G4ILO. K2 #392 K3 #222. * G4ILO's Shack - http://www.g4ilo.com * KComm - http://www.g4ilo.com/kcomm.html * KTune - http://www.g4ilo.com/ktune.html -- View this message in context: http://elecraft.365791.n2.nabble.com/Nabble-tp5879478p5880056.html Sent from the Elecraft mailing list archive at Nabble.com. __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] TCXO - 0.5PPM
Rather than try to listen for zero beat I offset the dial reading by 1kHz and use a computer sound card program to measure the frequency of the audio tone. Fldigi is a good program to use for this. - Julian, G4ILO. K2 #392 K3 #222. * G4ILO's Shack - http://www.g4ilo.com * KComm - http://www.g4ilo.com/kcomm.html * KTune - http://www.g4ilo.com/ktune.html -- View this message in context: http://elecraft.365791.n2.nabble.com/TCXO-0-5PPM-tp5872529p5875805.html Sent from the [K3] mailing list archive at Nabble.com. __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] K3 mod history?
Dick Dievendorff wrote: There is a single resistor mod on the RF board for greater IF gain for the P3. No mod to the KXV3 or KXV3A, but the P3 does use the IF out connector, so one of the KXV3 or KXV3A is used. Ah, that was probably the one I was thinking about. As it affected the IF output I probably assumed it was on the KXV3. Pity I don't have the required value of 1/8W resistor handy or I could have done the mod at the same time as I added the jack for powering the KXV144. - Julian, G4ILO. K2 #392 K3 #222. * G4ILO's Shack - http://www.g4ilo.com * KComm - http://www.g4ilo.com/kcomm.html * KTune - http://www.g4ilo.com/ktune.html -- View this message in context: http://elecraft.365791.n2.nabble.com/K3-mod-history-tp5869008p5871414.html Sent from the [K3] mailing list archive at Nabble.com. __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] K3 mod history?
Was there not a modification required to the original KXV3 on the IF output, a resistor change or something? It was in the back of my mind that I would need to do this mod if I ever got a P3 or other panadapter. (Though presumably the KXV3A which is on its way to me with a KXV144 doesn't need any modification.) Julian, G4ILO Dick Dievendorff wrote: The P3 does not require the KXV3A, the original KXV3 works fine. The main addition for the A has to do with a new TMP connector for the K144XV. Dick, K6KR On Dec 27, 2010, at 0:43, cx...@4email.net wrote: Does Elecraft keep a history of each K3 manufactured and the follow on mods? Tracked by serial number? My #250 has been back to the mothership several times for repairs/mods etc. I am not sure if my KXV3 has been changed to the 'A' or not. Thinking about adding the P3 to the lineup and not sure if rig is ready or needs the A mod. 73 Tom CX7TT __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html - Julian, G4ILO. K2 #392 K3 #222. * G4ILO's Shack - http://www.g4ilo.com * KComm - http://www.g4ilo.com/kcomm.html * KTune - http://www.g4ilo.com/ktune.html -- View this message in context: http://elecraft.365791.n2.nabble.com/K3-mod-history-tp5869008p5869894.html Sent from the Elecraft mailing list archive at Nabble.com. __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] Automatic beacon scanner program for K3?
Doug Faunt N6TQS +1-510-655-8604 wrote: Hi all, Is there an automatic beacon scanner for the K3? We're not on the air all the time, and it would be useful if we could get a profile of openings to this location (VK9NN now) by having a computer driving a K3 to scan the beacons when otherwise this gear is sitting unused. For future trips, I'm also thinking that something like that for the SDR-IQ, too. 73, doug Faros, by VE3NEA. I am using it with my K3 right now: http://www.g4ilo.com/beacons.html to do exactly what you are suggesting. You don't have to upload the results to a web page, of course. - Julian, G4ILO. K2 #392 K3 #222. * G4ILO's Shack - http://www.g4ilo.com * KComm - http://www.g4ilo.com/kcomm.html * KTune - http://www.g4ilo.com/ktune.html -- View this message in context: http://elecraft.365791.n2.nabble.com/Automatic-beacon-scanner-program-for-K3-tp5829398p5830754.html Sent from the [K3] mailing list archive at Nabble.com. __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] Plasma TV Noise any ideas on how to filter it out.
Phil Kane-2 wrote: On 11/26/2010 1:03 PM, Stewart wrote: It's interesting to see that today's UK brother agency (OFCOM) has the same attitude as today's FCC about (non)enforcement. Here, as in the US I'm sure, it all comes down to money. The resources aren't there to enforce the rules, and hams are a small minority group with no political clout. With all the public service cuts it can only get worse. Companies are importing goods from China that are actually dangerous, with fake CE marks (there was a news item about it this morning.) Using the law to force the authorities to enforce compliance is impossible because of high legal fees. The RSGB wanted to mount a legal challenge to Ofcom's failure to act on the problem of PLT devices and was informed it would cost £200,000 just to get started, about 10 times the amount they'd managed to raise by appeal. - Julian, G4ILO. K2 #392 K3 #222. * G4ILO's Shack - http://www.g4ilo.com * KComm - http://www.g4ilo.com/kcomm.html * KTune - http://www.g4ilo.com/ktune.html -- View this message in context: http://elecraft.365791.n2.nabble.com/Plasma-TV-Noise-any-ideas-on-how-to-filter-it-out-tp5775346p5779359.html Sent from the [HAM] mailing list archive at Nabble.com. __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] Plasma TV Noise any ideas on how to filter it out.
ab2tc wrote: Hi, One thing is for sure: Once you have either one of these devices in front of your K3 receiver, you can wave good-bye to the world class blocking and IMD dynamic range of your receiver. I would consider this an absolute last resort. I don't think I could put up with the necessary knob twiddling required to locate the null, which will change each time you change frequency. Believe me, if you have S9+20 interference without one of these devices, you put up with it. Yep, I've looked inside, build quality is terrible, SMD devices up on end and the rest of it. Signal path unnecessarily long pieces of hookup wire from the 259s to the PCB. It's hooked in via the KXV3 RX connectors so at least the TX signal doesn't go through it. But it works (and doesn't need much retuning as you change frequency.) 20m would be unusable without it, so the effect on blocking and IMD performance is unimportant, the alternative is QRT. Which would you choose? - Julian, G4ILO. K2 #392 K3 #222. * G4ILO's Shack - http://www.g4ilo.com * KComm - http://www.g4ilo.com/kcomm.html * KTune - http://www.g4ilo.com/ktune.html -- View this message in context: http://elecraft.365791.n2.nabble.com/Plasma-TV-Noise-any-ideas-on-how-to-filter-it-out-tp5775346p5778457.html Sent from the Elecraft mailing list archive at Nabble.com. __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] Plasma TV Noise any ideas on how to filter it out.
K2QI wrote: As a movie buff, I can't stand black crush, so I live with my Panasonic plasma. When I do QRV, the fix is simple; I turn the TV off. Not much help for those of us who want to go on the radio while the wife watches dross on TV. I just read in the EMC column in RadCom that mains borne interference is radiated best on the frequency at which the antenna cable is a quarter wave. That explains why my interference is worst on 20m, since 16ft 6in is just about the length of the run of cable from ground level to the typical mounting height of the satellite dish. I just live in dread of the day when a neighbour installs solar panels. From the same mag one ham experienced S9+ interference from a neighbouring estate and after a year's investigation Ofcom informed him there was nothing they could do about it. - Julian, G4ILO. K2 #392 K3 #222. * G4ILO's Shack - http://www.g4ilo.com * KComm - http://www.g4ilo.com/kcomm.html * KTune - http://www.g4ilo.com/ktune.html -- View this message in context: http://elecraft.365791.n2.nabble.com/Plasma-TV-Noise-any-ideas-on-how-to-filter-it-out-tp5772690p5774580.html Sent from the [HAM] mailing list archive at Nabble.com. __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] Does knowing the DXpedition has K3's change your
Wes Stewart wrote: BTW, about what I said spots. Since my last message a few minutes ago, I worked ZL8X on 15M CW. I then heard him say QSY SSB. I tuned to their announced operating freq, set XIT to +5 and waited. When he made his first CQ I got him on one call, with my 40-meter inverted-vee. Then for the heck of it, I spotted him on the Internet. If I was sitting around waiting for spots, I would now be in a pileup competing with guys with beams. When I read John's post, I thought he was talking about spotting i.e. *observing* what frequency the last guy to work the DX was on so he could call on exactly the same QRG. I didn't think he meant internet spotting at all. Strange how two people can read one post and get completely different ideas of what he was saying ... :) - Julian, G4ILO. K2 #392 K3 #222. * G4ILO's Shack - http://www.g4ilo.com * KComm - http://www.g4ilo.com/kcomm.html * KTune - http://www.g4ilo.com/ktune.html -- View this message in context: http://elecraft.365791.n2.nabble.com/Does-knowing-the-DXpedition-has-K3-s-change-your-expectations-tp5771286p5771846.html Sent from the Elecraft mailing list archive at Nabble.com. __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] K3 RX spurs
What output are you taking the audio from to plot these results? The line output signal goes through an isolating transformer. I think this saturates at quite a low audio level introducing non-linearity. You need to turn LIN OUT down to 2 or as low as you can get. I haven't done the test you did, but if I look at a CW signal with a narrow filter selected I can see a ghost image of the signal on the waterfall at twice the audio frequency, well outside the IF passband. So I think the problem (if indeed it is a problem - nothing is perfect) is within the audio stages and particularly the line output. Ramiro Aceves wrote: Hello K3 fans I am a bit stranged and frustrated cause nobody has answered a single word to my email K3 RX spurs posted on november the 20th. No comments, no ideas After some tests I have concluded that the spurs are 3rd order intermodulation products. They only occur in DATA or CW. ¿Can anyone please, try to reproduce those products in your K3/P3 or K3/computer combination?. DATA A mode: Cristal filter= 2.7KHz, SHIFT=1.5 KHz, WIDTH= 2.7 kHz Tune some steady carrier in shortwave. Tune the signal to place a beautiful 1000 Hz on the waterfall Tune your signal generator 10 Hz more than the broadcast carrier frequency to get an audio signal 10 Hz over the 1000 Hz signal. Adjust generator strenght to be similar to the broadcast carrier. You will see strong beautiful 3rd order products on 1020 and 990 Hz. Swith to USB-- much more weaker 3rd order products or inexistent. http://ea1abz.ure.es/3erd-order.jpeg That is my K3 behaviour. Just want to know if my K3 is ok or not. Many thanks. I appreciate your effort in doing this test for me. 73, Ramiro, EA4NZ. PD: Volume at the speaker is zero to avoid vibrations inside the K3 case. - Julian, G4ILO. K2 #392 K3 #222. * G4ILO's Shack - http://www.g4ilo.com * KComm - http://www.g4ilo.com/kcomm.html * KTune - http://www.g4ilo.com/ktune.html -- View this message in context: http://elecraft.365791.n2.nabble.com/K3-RX-spurs-tp5766108p5766251.html Sent from the Elecraft mailing list archive at Nabble.com. __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] FTDX5000 Design Flaw
P.B. Christensen wrote: Yaesu's success in their implementation of Class A amp design is clearly evident -- but it's an inefficient way to get to those Tx IMD numbers. Yes it would be nice to see more transceivers that are DSP based employ adaptive predistortion like expensive and feature-lacking but interesting ADAT ADT-200A. Could the K3 do that? - Julian, G4ILO. K2 #392 K3 #222. * G4ILO's Shack - http://www.g4ilo.com * KComm - http://www.g4ilo.com/kcomm.html * KTune - http://www.g4ilo.com/ktune.html -- View this message in context: http://elecraft.365791.n2.nabble.com/FTDX5000-Design-Flaw-tp5760598p5760648.html Sent from the Elecraft mailing list archive at Nabble.com. __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] K3: USB port
I would like to think that as hams we were technologically savvy enough not to just want change for change's sake. Unless you have a laptop for the shack PC (in which case the question why? springs to mind) there is no problem with using RS232. I have a 4 port serial card in my shack PC and all of them are used. This leaves my USB ports free for things they really are needed for, such as 3 external USB sound cards (yes I have 4 radios connected up to my shack PC - try doing that with a laptop. And yes, I am an old timer.) Having an RS232 port does not deny those who want to use USB from doing so. It just means the cable you use isn't a passive cable but has a bulge at one end with the USB interface chips in it. RS232 also gives you the option of using nice one USB cable interface options like the MicroHam products if that better meets your needs. It's about giving people choices about how they interface their radios instead of assuming that they just want to connect it to a PC. What is so bad about that? Dan Copeland wrote: I can understand why a lot of old timers want to stay with serial port for the K3. Many people just don't like change. The simple fact is the world has moved on Something like 15 years ago. USB is the standard and a product like the K3 which In many ways is cutting edge should move on also. When was the last time you saw a new computer with serial port or a floppy drive? It can't be that hard to change to USB. There are plenty of $10 items that support it So it must be cheep. I figure it is a lack of will on Elecraft's part. As to the negative comments...Can't and won't never did anything. - Julian, G4ILO. K2 #392 K3 #222. * G4ILO's Shack - http://www.g4ilo.com * KComm - http://www.g4ilo.com/kcomm.html * KTune - http://www.g4ilo.com/ktune.html -- View this message in context: http://elecraft.365791.n2.nabble.com/K3-USB-port-tp5753862p5756696.html Sent from the [K3] mailing list archive at Nabble.com. __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] K3: USB port - and SteppIR antennas
Joe Subich, W4TV-4 wrote: Go to www.newegg.com or www.tigerdirect.com ... you can find dozens of quality motherboards from more than half a dozen top quality board houses with at least one and in some cases two serial ports. Even the Intel chip set *INCLUDES* two serial ports - Intel simply does not provide the interface circuits and connectors on their commodity motherboards. That's true, though beside the point. Motherboards have expansion slots in them and the purpose of those slots is to add in boards. RS232 boards with 2 or 4 ports cost no more than the equivalent number of USB to serial adapters, are electrically quieter and less prone to compatibility issues. Technologically RS232 is a better solution for computer control of a radio. True you need a separate connection for audio, but then some people want to connect their radio's audio input and output to something other than a computer, for example a TNC. The lack of serial ports on many consumer level computers is simply a COST REDUCTION MEASURE - not a statement about the technology. Exactly. Why foist serial ports on Aunt Mabel who only wants to connect a mouse, keyboard and printer to her PC? The trouble with following fashion when it comes to technology is that in ten years time the USB port could be as out of date as 1970s flares today. One day it will be replaced with something else and then those USB ports on the Icom rigs will be useless while we'll still be able to get RS232 to whatever-it-is adapter cables to use with our K3s. - Julian, G4ILO. K2 #392 K3 #222. * G4ILO's Shack - http://www.g4ilo.com * KComm - http://www.g4ilo.com/kcomm.html * KTune - http://www.g4ilo.com/ktune.html -- View this message in context: http://elecraft.365791.n2.nabble.com/K3-USB-port-give-the-guy-a-BREAK-tp5754717p5756751.html Sent from the Elecraft mailing list archive at Nabble.com. __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] Connector on bottom right side of the fmain front panel board?
Mark Goecke-2 wrote: In the pictures of the K3 boards, for the front panel board, there is a connector on the right side of the board that faces downward, through a cutout in the front cover. It looks like a Cat 5 Ethernet connector. I have not been able to find anything in the documentation that describes what this connector is for. Have I overlooked it? Can someone please tell me what that connector is for? Factory test purposes. - Julian, G4ILO. K2 #392 K3 #222. * G4ILO's Shack - http://www.g4ilo.com * KComm - http://www.g4ilo.com/kcomm.html * KTune - http://www.g4ilo.com/ktune.html -- View this message in context: http://elecraft.365791.n2.nabble.com/Connector-on-bottom-right-side-of-the-fmain-front-panel-board-tp5747628p5748193.html Sent from the Elecraft mailing list archive at Nabble.com. __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] K3 Firmware
I noticed a similar issue a couple of weeks ago during the CQ WW, with whatever firmware I last installed a few months ago. I was working my way slowly up the band calling stations and not retuning the ATU each time I called. Presumably because of the way the ATU stores settings per frequency which may not be correct for the antenna I am using now, every now and then I would cross a boundary to a new stored value and suddenly see a HIGH SWR warning and have to retune. After retuning the output was only 50W or so, but it recovered to full output after several seconds of calling. My guess is it's a product of the fact that a lot of things in the K3 are controlled by software, which does not want to make sudden changes to things that would normally be expected to remain constant. It's just one of the quirks of the K3 that you get used to. - Julian, G4ILO. K2 #392 K3 #222. * G4ILO's Shack - http://www.g4ilo.com * KComm - http://www.g4ilo.com/kcomm.html * KTune - http://www.g4ilo.com/ktune.html -- View this message in context: http://elecraft.365791.n2.nabble.com/K3-Firmware-tp5730952p5731741.html Sent from the [K3] mailing list archive at Nabble.com. __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] K3: glitch canceling CW using 'KY @'
Mike Markowski-2 wrote: I wrote a tiny C program that uses KY to send a string, but I also use 'KY @;' to cancel anything in progress. On occasion, sending is properly canceled but I get a sidetone. The transmit led is not on when this happens, so I assume I'm not transmitting. I only have to send a dit to stop the tone. I'm using firmware 4.12. I can reproduce this using KComm, which uses the KY method to send CW from the keyboard. My current firmware level is 4.03. Actually I first noticed this months ago, but I haven't used it in a while and hoped it had been fixed. Julian, G4ILO - Julian, G4ILO. K2 #392 K3 #222. * G4ILO's Shack - http://www.g4ilo.com * KComm - http://www.g4ilo.com/kcomm.html * KTune - http://www.g4ilo.com/ktune.html -- View this message in context: http://elecraft.365791.n2.nabble.com/K3-glitch-canceling-CW-using-KY-tp5710873p5711661.html Sent from the [K3] mailing list archive at Nabble.com. __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] K3 test mode
Will - AI4VE wrote: Hasn't been a problem here but I have occasionally have trouble not holding the tune button long enough and chang antennas instead. I usually catch it but since I currently only use one antenna I've attached a dummy load to the Antenna 2 connection to protect against accidentally tuning or transmitting with no load. A variable length hold setting would be nice but not sure how high on the list I'd place it. For that situation a better solution might be a configuration option to disable switching to Antenna 2. - Julian, G4ILO. K2 #392 K3 #222. * G4ILO's Shack - http://www.g4ilo.com * KComm - http://www.g4ilo.com/kcomm.html * KTune - http://www.g4ilo.com/ktune.html -- View this message in context: http://elecraft.365791.n2.nabble.com/K3-test-mode-tp5645180p5653985.html Sent from the [K3] mailing list archive at Nabble.com. __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] K3 AGC THR doesn't go low enough
John Chappell G3XRJ wrote: Don, What I should have mentioned in my initial post was that the recording was made at midday on 80m and the noise from the antenna was only s1. For a given setting of the rf gain, increasing the threshold to 8 increases the noise, as can be heard in the recording. It doesn't increase the noise, it just makes it sound louder. You need to turn down the AF gain to restore the noise to its original level. Or tune in a signal and adjust it to the same level as before, you should find you need less AF gain and the noise when the signal isn't present will be quieter. As Don stated you probably have too much front end gain because the reason increasing the threshold makes the noise louder is because the noise is strong enough to activate the AGC when the threshold is set low. Any receiver will sound noisy if you use preamplification when you don't need it. The important difference is that increasing the threshold and decreasing the slope increases the volume of signals relative to the noise and makes strong signals sound louder than weak ones. It's hard to explain and the adjustments are not very intuitive but a few months ago I tried different settings using my XG1 to generate 50uV and 1uV signals and observed the audio output on a scope, then it became clear what was happening and how the adjustments affected things. - Julian, G4ILO. K2 #392 K3 #222. * G4ILO's Shack - http://www.g4ilo.com * KComm - http://www.g4ilo.com/kcomm.html * KTune - http://www.g4ilo.com/ktune.html -- View this message in context: http://elecraft.365791.n2.nabble.com/K3-AGC-THR-doesn-t-go-low-enough-tp5614723p5616667.html Sent from the [K3] mailing list archive at Nabble.com. __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] [K3] Speaker output amp kaput
Bill VanAlstyne W5WVO wrote: I have (and have always had) mine set to 20 also. Didn't help, in this instance. I often turn the AGC off when running JT65A on 20m using the JT65-HF software, so that a strong signal somewhere in the 2 kHz passband doesn't trigger the AGC and wipe out a weak -25 dB signal I'm trying to decode. Me too. I normally listen via a pair of powered computer speakers plugged into the rear SPKRS socket not the K3 internal speaker. Does that mean I'm still vulnerable to this issue? I don't use the PHONES socket, presumably because that would disable the front panel socket when I want to use headphones. - Julian, G4ILO. K2 #392 K3 #222. * G4ILO's Shack - http://www.g4ilo.com * KComm - http://www.g4ilo.com/kcomm.html * KTune - http://www.g4ilo.com/ktune.html -- View this message in context: http://elecraft.365791.n2.nabble.com/K3-Speaker-output-amp-kaput-tp5608245p5611086.html Sent from the [K3] mailing list archive at Nabble.com. __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] RTTY operation with Terminal in Utility
I have a version of KComm that uses the DB command, though I have no idea if it works through a P3 because I don't have a P3. I have pretty much lost all interest in the software development aspect of the hobby though I haven't completely given up on KComm as I still use it myself. However there are still several things outstanding to do before I go to all the trouble of updating the documentation, building an installer and officially releasing a new and hopefully final version and at the current rate of progress this might take a few more months. I did put an interim version that supports the DB command on the website for someone who asked, but it is only available as a zip file that you must install yourself: http://www.g4ilo.com/files/kcomm.zip . - Julian, G4ILO. K2 #392 K3 #222. * G4ILO's Shack - http://www.g4ilo.com * KComm - http://www.g4ilo.com/kcomm.html * KTune - http://www.g4ilo.com/ktune.html -- View this message in context: http://elecraft.365791.n2.nabble.com/RTTY-operation-with-Terminal-in-Utility-tp5565640p5566280.html Sent from the Elecraft mailing list archive at Nabble.com. __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] FSK power
I normally run 50W in CW or any digi mode, because I feel more comfortable running well within the ratings, but I will always crank it up to 100W when needed. In a contest, you're listening half the time anyway, so 50% duty cycle and the K3 will take it even at 100W output. - Julian, G4ILO. K2 #392 K3 #222. * G4ILO's Shack - http://www.g4ilo.com * KComm - http://www.g4ilo.com/kcomm.html * KTune - http://www.g4ilo.com/ktune.html -- View this message in context: http://elecraft.365791.n2.nabble.com/FSK-power-tp5563724p5566317.html Sent from the [K3] mailing list archive at Nabble.com. __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] K3 RTTY
Ken Chandler wrote: Hi Don You are correct. After chk'g config fsk pol it was indeed set to zero ie for reverse mode, have now re-set to one (1) Thanks you. I was bitten by this too when I tried to send RTTY this way. I guess zero is actually the default. Is there any reason the firmware couldn't select the polarity automatically to match that used by the decoder? Julian, G4ILO - Julian, G4ILO. K2 #392 K3 #222. * G4ILO's Shack - http://www.g4ilo.com * KComm - http://www.g4ilo.com/kcomm.html * KTune - http://www.g4ilo.com/ktune.html -- View this message in context: http://elecraft.365791.n2.nabble.com/K3-RTTY-tp5523161p5524131.html Sent from the Elecraft mailing list archive at Nabble.com. __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] NCDXF/IARU Beacons
I think the problem is, as you say, the decoder isn't sensitive on weak signals. But what's the point, anyway? There are a number of programs which will tell you what beacon you will hear at any given time, so you don't need to decode it, just know that you heard something. If you want a record of what's heard use the program Faros. This is much more sensitive than any ordinary CW decoder for this specific task as I suspect that it digs into the noise looking for exactly what it expects the beacon to send. Philippe Trottet wrote: Dear Elecrafters, How to decode almost correctly the NCDXF/IARU beacons with a different pitch than 700~800Hz I'm using a pitch of 450Hz in order to use less bandwidth and it is more softer to my ears, especially on long runs. I can hear clearly the beacons with the 450Hz but even I'm shifting up the VFO to listen a 600~700Hz tone, the decoder is not working even the pitch (so the FC) has been moved to those values. CWT is off. Width is used between 50 ~200Hz. Filter: 400Hz AGC on or off do not change anything. On the other hand he decoder seems not really sensitive on weak signals. Any trick ? Bst 73's Philippe A65BI K3#3616 __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html - Julian, G4ILO. K2 #392 K3 #222. * G4ILO's Shack - http://www.g4ilo.com * KComm - http://www.g4ilo.com/kcomm.html * KTune - http://www.g4ilo.com/ktune.html -- View this message in context: http://elecraft.365791.n2.nabble.com/NCDXF-IARU-Beacons-tp5510562p5510773.html Sent from the Elecraft mailing list archive at Nabble.com. __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] K3 Wiki Site
It looks as if Thom K3HRN who runs zerobeat.net has been having a clearout. The Zerobeat Elecraft forum has also gone, which is no great loss as it was never used, indeed I suggested to him some time ago that he may as well kill it. The wiki was edited by Don Rasmussen WB8YQJ who used to post on here regularly but hasn't posted since May 18. Possibly Don sold his K3 and was no longer interested, but it's a shame that it was pulled without giving anyone any notice as even if Thom no longer wished to host it, someone else may have volunteered to take it on. Julian, G4ILO - Julian, G4ILO. K2 #392 K3 #222. * G4ILO's Shack - http://www.g4ilo.com * KComm - http://www.g4ilo.com/kcomm.html * KTune - http://www.g4ilo.com/ktune.html -- View this message in context: http://elecraft.365791.n2.nabble.com/K3-Wiki-Site-tp5448908p5449445.html Sent from the Elecraft mailing list archive at Nabble.com. __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] Handle replacement on K3
I can't think of a reason why you can't just take the side panel off, but it might make a difference if you have a KRX3 or a KXV144 inside, which I don't. Yours is the first post I can recall reporting this. If you are concerned about it happening again you could try putting a blob of paint on the thread of the bolt before retightening it, or even some special stuff made for precisely that purpoise (over here it is called Loctite.) Jon Zaimes AA1K wrote: Took my K3 along on vacation and this morning when I went to set it up again at home the handle was loose on one end -- one of the nuts had fallen off the bolt inside the case. So now the nut and washer are floating around inside the case. Anyone know if I can just take the side panel off to fix this or do I need to take the top off first? And if this loosening up is common (In the past year since building this I've only used the handle maybe twice) is there a permanent fix, such as a locking nut? - Julian, G4ILO. K2 #392 K3 #222. * G4ILO's Shack - http://www.g4ilo.com * KComm - http://www.g4ilo.com/kcomm.html * KTune - http://www.g4ilo.com/ktune.html -- View this message in context: http://elecraft.365791.n2.nabble.com/Handle-replacement-on-K3-tp5449432p5449470.html Sent from the Elecraft mailing list archive at Nabble.com. __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] Elecraft Power supply
Joe Subich, W4TV-4 wrote: The one instance that would justify an Elecraft power supply is if they would produce a 48/60 Volt 200 W replacement for the KPA-3. I'd go for a higher power output and matching supply in a New York minute. The higher voltage amplifier would significantly reduce transmit IMD while the 200 - 250 W output would both obviate the need for an amplifier and make it easier to drive low gain glass bottle and ex-USSR ceramic triode amplifiers to the legal output. Could 200W be done within the K3 form factor (and without the assistance of deafening fans?) Even if the output were still 100W I'd still find it an attractive option, just for the better linearity. - Julian, G4ILO. K2 #392 K3 #222. * G4ILO's Shack - http://www.g4ilo.com * KComm - http://www.g4ilo.com/kcomm.html * KTune - http://www.g4ilo.com/ktune.html -- View this message in context: http://elecraft.365791.n2.nabble.com/Elecraft-Power-supply-tp5393753p5411398.html Sent from the Elecraft mailing list archive at Nabble.com. __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] [K3] MMTTY
Mike-14-3 wrote: This will mostly be on XP, with occasional excursions on Win7. What does directly selecting the endpoint mean? I'm real new to Win7. I saw some 99 cent units on the estore. Maybe a bit TOO cheap. ;-) I have tried some of these cheap units from eBay. Too cheap is right. They may seem to work on PSK31 and they are fine for audio but I doubt if weak signal copy of digimodes is very good. I tried using one for packet and even though the signal looked OK on the waterfall I never decoded a single packet. I don't know what the bit resolution or sample rate they use but I suspect the drivers do a crude resampling between the parameters the software selects and the ones the device actually runs at and a lot of information gets lost in the process. What you can do, though, is reconfigure windows so the cheapie USB adapter is the default for computer audio, which frees up the on board sound card for digital radio use. Despite comments in various places to the contrary, I've always found the built-in audio chips to work pretty well for digital modes. - Julian, G4ILO. K2 #392 K3 #222. * G4ILO's Shack - http://www.g4ilo.com * KComm - http://www.g4ilo.com/kcomm.html * KTune - http://www.g4ilo.com/ktune.html -- View this message in context: http://elecraft.365791.n2.nabble.com/K3-MMTTY-tp5384119p5389166.html Sent from the [K3] mailing list archive at Nabble.com. __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
[Elecraft] Blank P3 Cases
Is there any likelihood of blank P3 cases being made available in the future (as with the EC1, EC2) for people who would like to build their own matching accessories? - Julian, G4ILO. K2 #392 K3 #222. * G4ILO's Shack - http://www.g4ilo.com * KComm - http://www.g4ilo.com/kcomm.html * KTune - http://www.g4ilo.com/ktune.html -- View this message in context: http://elecraft.365791.n2.nabble.com/Any-P3-Updates-tp5290528p5291502.html Sent from the Elecraft mailing list archive at Nabble.com. __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] K3 and USB Audio Codec
Ross Primrose wrote: The SignalLink USB is just a $20 USB sound card with a VOX circuit added anyway See W4TV's post titled Re: [Elecraft] AFSK - K3 - SignaLink USB from 01JUL10 I have just spent most of the day trying to set up one of my other radios to receive HF APRS on 300baud packet using a $20 USB sound card and the AGW Packet Engine soundcard modem. I had my K3 connected to the PC internal sound card and my FT-817 connected to the $20 USB card. I actually tried two USB devices. One was a real cheapie, more like $10. The other should have been quite high performance as it quotes a 48kHz sample rate and has two SP-DIF sockets on the front in addition to the usual array of speaker outputs. All of the packets copied were received by the K3 / internal soundcard. None were copied using the USB soundcard. To make sure it wasn't the radio causing the difference I swapped the audio cables over so the K3 was feeding the cheap soundcard and the FT-817 the internal one. All the packets copied then came from the FT-817. It was curious as I set up both radios / soundcards with simultaneously running copies of Fldigi. The waterfalls looked identical and PSK31 and PSK63 were copied using both setups. But 300baud packet using the AGWPE was a complete dead loss. I think there are various factors that could be at work here. I'm sure there are people more knowledgeable than me on this reflector so I stand to be corrected but I think it's possible that USB sound cards work at a fixed sample rate and perform resampling in the drivers which may result in the loss of information critical to decoding. Internal sound cards actually sample at the rate selected by the software. So USB sound cards may work fine with some less critical modes or with applications that use the same sample rate as the sound card, but with others they perform poorly. Therefore I think internal sound cards are always going to perform better, though the difference may only be noticeable with critical modes. Unfortunately they are getting expensive as bog standard sound cards are now obsolete, so you have to pay for a lot of special effects and other fancy stuff that you don't need. As a related aside, a few weeks ago I recorded signals bounced off the moon from Arecibo from outdoors using a home made yagi and my FT-817. My recording device was a netbook. The signals were extremely weak but barely copyable. When I played back the WAV files on the shack PC using a USB sound card as the audio all I heard was noise. I then borrowed the internal sound card from the K3 to use for audio playback and heard the signals exactly as I did originally. Proof positive for me that USB sound cards do deliver a poor quality signal. - Julian, G4ILO. K2 #392 K3 #222. * G4ILO's Shack - http://www.g4ilo.com * KComm - http://www.g4ilo.com/kcomm.html * KTune - http://www.g4ilo.com/ktune.html -- View this message in context: http://elecraft.365791.n2.nabble.com/K3-and-USB-Audio-Codec-tp5277614p5279876.html Sent from the Elecraft mailing list archive at Nabble.com. __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] Provocative Kenwood Advert working link here
That was an ad from a Kenwood dealer in the UK, in the latest RadCom. I think it is grossly misleading, however ethics and UK ham radio dealer are rarely used in the same sentence unless accompanied by the words lack of. I don't know whether the Kenwood has an IF out or not because I haven't seen a picture of the back panel but I bet it also doesn't have switchable RX antenna input/output, transverter input/output, or dual receivers. I'd also be pleasantly surprised if it has a true RS-232 control interface, isolated line in/out sockets or handles digital modes as well as the K3 does. All of those features are important to me, and no other radio south of the IC-7600 comes close to matching them. On top of that the K3 has the internal 2m option, which again I'm sure the Kenwood doesn't. Unfortunately this hobby seems to have become fixated on receiver performance, despite the fact that for the kind of operating most people do, any of the rigs out there do a good enough job already. So if Kenwood does manage to match or better the K3's numbers, it will receive critical accolades far beyond what it deserves as an overall package. Jeff kb2m wrote: What I don't like about the new Kenwood is that it doesn't have an IF out. I think they shot themselves in the foot on that one. - Julian, G4ILO. K2 #392 K3 #222. * G4ILO's Shack - http://www.g4ilo.com * KComm - http://www.g4ilo.com/kcomm.html * KTune - http://www.g4ilo.com/ktune.html -- View this message in context: http://elecraft.365791.n2.nabble.com/Provocative-Kenwood-Advert-working-link-here-tp5249375p5251031.html Sent from the Elecraft mailing list archive at Nabble.com. __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] K2 and USB to Serial for Radio Control
WILLIS COOKE-2 wrote: I never heard of anyone frying any hardware with a USB adapter Joe. If you are connecting to Vista or Win 7 computers, you may have trouble accessing all the features, but I don't think you will fry anything. If you are buying an adapter try to get one that uses the FTDI chip set rather than the Prolific chip set. It is difficult to find out which chip set is used, but some of the on line vendors will tell you if they are using FTDI. The ones using Prolific will try to hide it. I would go further and say it is essential to use an adapter with an FTDI chip set with the K2. The KIO2 works at a fixed baud rate of 4800bps and some of the adapters that work OK at higher speeds will garble the data at that speed. I would also emphasize the advice that you *must* use a properly wired (as per the KIO2 manual) cable between the loose end of the adapter and the K2. - Julian, G4ILO. K2 #392 K3 #222. * G4ILO's Shack - http://www.g4ilo.com * KComm - http://www.g4ilo.com/kcomm.html * KTune - http://www.g4ilo.com/ktune.html -- View this message in context: http://elecraft.365791.n2.nabble.com/K2-and-USB-to-Serial-for-Radio-Control-tp5232156p5233993.html Sent from the [K2] mailing list archive at Nabble.com. __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] K3 Beta Firmware Rev. 4.03: CW+ mode (Ultra-fast break-in; VOX-CW up to 100 WPM)
KK7P wrote: I tried it and had no trouble copying using Cocoamodem on a Mac, and MMTTY on a PC, as well as another K3's internal decoder. I sent FSK using MMTTY and a RigExpert Plus interface, and had no trouble copying on the Cocamodem/Mac and on antoehr K3's internal decoder. Might just be a case of the wrong FSK polarity setting in the CONFIG menu? Never having used FSK before, I didn't even know there was such a setting. I just used DATA MD to set RTTY 75 as directed. I'll have a look and see if it makes a difference. Thanks. - Julian, G4ILO. K2 #392 K3 #222. * G4ILO's Shack - http://www.g4ilo.com * KComm - http://www.g4ilo.com/kcomm.html * KTune - http://www.g4ilo.com/ktune.html -- View this message in context: http://elecraft.365791.n2.nabble.com/K3-Beta-Firmware-Rev-3-57-Synchronous-AM-Detection-AM-S-misc-improvements-tp3983997p5180898.html Sent from the [K3] mailing list archive at Nabble.com. __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] Running the K3/10 at higher power
Edward R Cole wrote: I didn't do a power calibration to set back the power so wondering if there is anything negative from running the K3/10 above 12w? This really would be an advantage for driving the 20/300w amp that I will be assembling. I don't expect full output with 16w drive (maybe 240w) but that will net more than 12w would (180w). The transmit IMD will get worse very quickly as you exceed 12W. You will then be amplifying all these IMD products. It depends whether you want to sound like a US station or someone from eastern Europe! - Julian, G4ILO. K2 #392 K3 #222. * G4ILO's Shack - http://www.g4ilo.com * KComm - http://www.g4ilo.com/kcomm.html * KTune - http://www.g4ilo.com/ktune.html -- View this message in context: http://elecraft.365791.n2.nabble.com/Running-the-K3-10-at-higher-power-tp5180703p5180914.html Sent from the Elecraft mailing list archive at Nabble.com. __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] K3 CW Decoder, Not very good
I think the K3 CW decoder is surprisingly good, but it will lose the signal when it gets weak whereas I have seen the PC sound card decoder MRP40 continue to decode a signal that has gone into the noise and I can't hear. All computer decoders tend to be thrown by noise, interference and irregular sending. - Julian, G4ILO. K2 #392 K3 #222. * G4ILO's Shack - http://www.g4ilo.com * KComm - http://www.g4ilo.com/kcomm.html * KTune - http://www.g4ilo.com/ktune.html -- View this message in context: http://elecraft.365791.n2.nabble.com/K3-CW-Decoder-Not-very-good-tp5180238p5180926.html Sent from the Elecraft mailing list archive at Nabble.com. __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] K3 Beta Firmware Rev. 4.03: CW+ mode (Ultra-fast break-in; VOX-CW up to 100 WPM)
KK7P wrote: Might just be a case of the wrong FSK polarity setting in the CONFIG menu? Yep, that seems to be the answer. CONFIG FSK POL has to be 1. - Julian, G4ILO. K2 #392 K3 #222. * G4ILO's Shack - http://www.g4ilo.com * KComm - http://www.g4ilo.com/kcomm.html * KTune - http://www.g4ilo.com/ktune.html -- View this message in context: http://elecraft.365791.n2.nabble.com/K3-Beta-Firmware-Rev-3-57-Synchronous-AM-Detection-AM-S-misc-improvements-tp3983997p5181437.html Sent from the [K3] mailing list archive at Nabble.com. __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
Re: [Elecraft] K3 Beta Firmware Rev. 4.03: CW+ mode (Ultra-fast break-in; VOX-CW up to 100 WPM)
wayne burdick wrote: K3 beta-test firmware revision 4.02 (with DSP rev. 2.60) is now available. See full release notes below. [snip] * 75 BAUD (100 WPM) RTTY SUPPORT: The built-in encoder/decoder (DATA/FSK-D) now supports both 45 and 75 baud. To select the desired rate, hold the DATA MD switch, then rotate VFO A. Has anyone tried the built-in RTTY? When I tried it, I could copy other stations perfectly but no-one would come back to me. Eventually I set up another receiver to see if I could copy it and I found I had to reverse the sideband before I could decode the text. - Julian, G4ILO. K2 #392 K3 #222. * G4ILO's Shack - http://www.g4ilo.com * KComm - http://www.g4ilo.com/kcomm.html * KTune - http://www.g4ilo.com/ktune.html -- View this message in context: http://elecraft.365791.n2.nabble.com/K3-Beta-Firmware-Rev-3-57-Synchronous-AM-Detection-AM-S-misc-improvements-tp3983997p5179639.html Sent from the [K3] mailing list archive at Nabble.com. __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
