Re: [Elecraft] [K3] New 472kHz LF band
David G4DMP said Is there any likelihood that this could be extended down to cover the new band? Failing that how about an Elecraft designed, fully filtered, fully integrated, high stability, VLF up converter covering 5KHz to 500KHz. This would cater for the Natural Radio listeners, Alpha stations, numerous high power transmissions used by hams as propagation beacons, 136KHz band, NDB hunters and the new 472KHz allocation. Trevor G0KTN Original Message I see from the report of WRC-12 that a new band 472-479kHz is to be allocated on a world-wide basis with an eirp of 5W (1W in some countries). The K3 receiver currently goes down to 490kHz. Is there any likelihood that this could be extended down to cover the new band? http://www.rsgb.org/news/articlelinks.php?id=0284 73 de David G4DMP -- + - - - - - - - - - - - - - - - - + | David M Pratt, Kippax, Leeds. | | Website: http://www.g4dmp.co.uk | + - - - - - - - - - - - - - - - - + __ 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] XG3 beacon freq 50.06157MHz
G3USF's Worldwide List Of 50MHz Beacons last updated 23 June 2011 http://www.keele.ac.uk/depts/por/50.htm K9MU NA 6m Beacon Map http://www.k9mu.com/map/ 73 Trevor G0KTN __ 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] Feature request
Any comment from the P3 developers on this request please. Trevor G0KTN Original Message dated 29 December 2010 The following is a re-post of a request back in August which may have got missed in the noise. Did it make its way to the to do list ? 22 August 2010 Would it be possible to include an option under Span to display the actual frequency of the upper and lower offsets rather than -30 +30 or whatever has been set. So, if you had a CF of 7.038.6 the P3 screen would show 7.008.6 - 7.038.6 - 7.068.6 73 Trevor G0KTN __ 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] [P3] Feature request
The following is a re-post of a request back in August which may have got missed in the noise. Did it make its way to the to do list ? 22 August 2010 Would it be possible to include an option under Span to display the actual frequency of the upper and lower offsets rather than -30 +30 or whatever has been set. So, if you had a CF of 7.038.6 the P3 screen would show 7.008.6 - 7.038.6 - 7.068.6 73 Trevor G0KTN __ 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] KREF3 External Reference Option
Any news on the External Reference Option ? 73 Trevor G0KTN Original Message from Wayne N6KR dated 14 June 2010 There appears to be more demand for this than we thought, so we're looking into it again. Note that our planned external reference implementation would not require an exact 49.38-MHz reference oscillator signal. It also doesn't require a pin-1 control voltage input on the TCXO module itself, as suggested earlier. It should work with any existing K3 TCXO, either +/- 5 or +/- 1 PPM. If you're interested, here are the details: A new REF-lock module would be designed that plugs into the small 8- pin connector near the top of the KREF3 PCB. The user's 10-MHz reference signal would be routed from the rear panel to the TMP connector on the KRE3 (this connector faces forward, into the DSP/ front panel area). A microcontroller on the REF-lock module would be clocked by the 10- MHz reference. If the signal were present, the microcontroller would continuously measure (and average) the frequency of the 49.38 MHz oscillator, obtaining a value to the nearest 1 Hz. Hysteresis would be applied to prevent hunting, so the actual accuracy spec would probably be +/- 2 Hz. This translates to about +/- 1 Hz in operating frequency on 20 m. Approximately once per second, the module would report the actual reference frequency to the K3's main MCU via a slow digital data line (labeled 100HZ on the RF and KREF3 schematics). The main MCU would use this to calibrate the REF CAL value normally entered by the user. There would be no noticeable impact on performance. If the 10 MHz external signal were not present, the user's normal REF CAL value would be used. Let me know if you have thoughts on this implementation. 73, Wayne N6KR __ 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] (P3) Feature request Span frequency display
Would it be possible to include an option under Span to display the actual frequency of the upper and lower offsets rather than -30 +30 or whatever has been set. So, if you had a CF of 7.038.6 the P3 screen would show 7.008.6 - 7.038.6 - 7.068.6 73 Trevor G0KTN __ 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] P3 question
I see from the manual that the P3 uses a specific command set to communicate with the K3, so presumably there will be no conflict with a Microham Digikeyer for instance that currently occupies the K3 RS232 port and would now be connected to the P3 pass through port. Trevor G0KTN __ 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 External Reference Option
The recent announcement about development of an external reference option for the K3 is most welcome and will allow users to obtain the best calibration possible especially for digi modes like WSPR where 1Hz accuracy is required. For anyone not quite sure about what it is, how to use it, or where to obtain the 10MHz external high stability signal here are a few links to get started. The two most popular 10MHz oscillators appear to be either GPS based (Trimble Thunderbolt) and Rubidium based (LPRO-101) both are easily obtained on Ebay. Set up and use the LPRO-101 units http://kc.flex-radio.com/KnowledgebaseArticle50460.aspx http://k9zw.wordpress.com/category/k9zw-built/ http://www.mentby.com/brian-lloyd/getting-a-rubidium-rb-reference.html http://www.ka7oei.com/10meg_rubidium1.html Setup and use of the Trimble Thunderbolt http://www.vk4adc.com/gpsdo.php http://www.prc68.com/I/ThunderBolt.shtml http://trl.trimble.com/docushare/dsweb/Get/Document-10001/ThunderBoltBook2003.pdf http://www.leapsecond.com/tbolt-faq.htm http://www.leapsecond.com/pages/tapr-tbolt/ If you want to distribute the 10MHz signal to a number of instruments at the same time the TAPR TADD-1 kit might be of interest. http://www.tapr.org/kits_tadd-1.html 73 Trevor G0KTN __ 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] KREF3 External Reference Option: Detailed proposal
There appears to be more demand for this than we thought, so we're looking into it again. This is excellent news and I'm sure will be much appreciated, especially with the number of surplus Thunderbolt GPS and Rubidium 10MHz standards available at the moment. I have no idea of the amount of RD involved in producing this module but at which point in the development cycle would you expect to be by the end of this year 2010 ? 73 Trevor G0KTN __ 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] KREF3 External Reference card
Is the KREF3 (a) likely to be released in 2010 (b) under active development (c) on the schedule for development (d) on the back burner (e) still thinking about it 73 to all Trevor G0KTN Original Message Just wondering if anyone from Elecraft might comment as to when the KREF3 external reference input card may become available. Trevor G0KTN __ 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] KREF3 External Reference card
Just wondering if anyone from Elecraft might comment as to when the KREF3 external reference input card may become available. Trevor G0KTN __ 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 order your P3
I assume the item shown on the order page is for the pre built unit - will you be offering a kit version ? 73 Trevor G0KTN Original Message http://www.elecraft.com/order_form_p3.htm Please use the link above to order instead of via the phone. If everyone calls today our sales staff will be in big trouble :-) We're just completing building the complete P3 web page now and will have more info up later today. 73, Eric WA6HHQ __ 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 and Digital Mode Operation
Lyle, How about a few photo's or better still a youtube video showing the P3 in action. I suspect everyone here can visualise what you just described, but you know what they say about a picture (or youtube video) painting a 1000 words etc. Trevor G0KTN __ 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: new feature idea / question
G4ILO said you need at least two extra controls, preferably three, one to vary the phasing of the two signals and the others to adjust the amplitude of the two inputs so that the noise levels cancel exactly. Sounds like a description of the DX Engineering NCC-1 http://www.dxengineering.com/Parts.asp?ID=1227PLID=215SecID=114DeptID=12PartNo= DXE%2DNCC%2D1 Its expensive but if nothing else the manual is worth a read http://www.dxengineering.com/pdf/NCC-1%20Rev%203.pdf Trevor G0KTN __ 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 Line out level and Digikeyer
For digimodes like WSPR I use a Microham Digikeyer and set the K3 Line Out level to 10, which is the maximum recommended before the possibility of distortion is introduced. At this level I have to set the Digikeyer RX input control to max to obtain proper decoding etc and being at maximum leaves no room for further adjustment. I usually like to set in/out controls to around 50% but in this case it would mean setting the K3 Line Out to around 40 to be able to reduce the Digikeyer input by 50% So, is Line Out level 10 still the max before distortion/saturation of the output transformers occurs or is there any headroom. If 10 is still the number then fine, as the object is to provide the cleanest signal to the DigiKeyer soundcard even if the input does have to be set to max. 73 Trevor G0KTN __ 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 Line out level and Digikeyer
Thanks for that Joe, reassuring to know that levels higher than 10 can be accommodated without problem. as long as the AGC is set to reasonably limit audio levels. Well, I use AGC-S and have never felt the need to change any of the other agc parameters so they are all set to default values - presumably this is ok ??? Trevor G0KTN Original Message Trevor, If you have AGC enabled in the K3, the Line Out level can be increased considerably beyond 10. Although I find Line Out at 10 works very well with the DigiKeyer input level at 3:00, I have run the Line Out as high as 70 without distortion as long as the AGC is set to reasonably limit audio levels. 73, ... Joe, W4TV -Original Message- From: elecraft-boun...@mailman.qth.net [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Trevor Smithers Sent: Thursday, October 01, 2009 6:49 AM To: elecraft@mailman.qth.net Subject: [Elecraft] K3 Line out level and Digikeyer For digimodes like WSPR I use a Microham Digikeyer and set the K3 Line Out level to 10, which is the maximum recommended before the possibility of distortion is introduced. At this level I have to set the Digikeyer RX input control to max to obtain proper decoding etc and being at maximum leaves no room for further adjustment. I usually like to set in/out controls to around 50% but in this case it would mean setting the K3 Line Out to around 40 to be able to reduce the Digikeyer input by 50% So, is Line Out level 10 still the max before distortion/saturation of the output transformers occurs or is there any headroom. If 10 is still the number then fine, as the object is to provide the cleanest signal to the DigiKeyer soundcard even if the input does have to be set to max. 73 Trevor G0KTN __ 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] Sneak Preview: New Elecraft products
We're putting together the web page info Any chance of a page with preliminary thoughts on the panadapter ? 73 Trevor G0KTN __ 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 Noise Reduction..revisited
As far as I'm aware there are two companies that produce this technology for the amateur market, BHI in the UK and Michels-Engineering in Germany. The german unit is designed specifically for the extraction of the speech waveform when surrounded by noise. BHI is similar but works with cw as well. Here are a couple of links to audio samples of both units in operation http://www.ing-michels.de/audio_demonstrations.html http://www.radio.bhinstrumentation.co.uk/html/demonstration.html There is a downside to using these units in that they only work with a mono input so you loose the binaural function. To get around this I purchased two of the internal modules (DX21) from Michels-Engineering and wired them to each stereo channel. This allows independent control of the noise reduction in each ear and retains the AFX/binaural function. 73 Trevor G0KTN __ 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 - Stand Alone Panadaptor
Here are a couple of quotes from this list archive dated December 2008: wondered if a dedicated Elecraft K3 panadaptor is still on the development schedule. Yes, definitely, unequivocally. (To use the vernacular: youbetcha :) I can't give you any timetable, and I can't reveal any details yet, but it will be highly integrated with the K3, and will look dynamite sitting next to it. We'll be using the more common spelling: panadapter. 73, Wayne N6KR I hope your panadaptor does not need a computer connection. It will work either way. 73, Wayne N6KR 73 to all Trevor G0KTN __ 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: Still unable to set power correctly in DATA A
Stephen G4SJP said: I don't remember the firmware version where this started but it was certainly not always the case The problem first appeared last September with production release 2.38/1.90. The previous production release, which I believe was 2.02, was stable. 73 to all Trevor G0KTN ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
[Elecraft] K3 Panadaptor/Bandscope
From the K3 faq Elecraft plans to offer a matching bandscope accessory after the K3 is out I'm aware of L-Pan, SDR-IQ, Softrock, Perseus, Mercury, QS1R etc but wondered if a dedicated Elecraft K3 panadaptor is still on the development schedule or has this been dropped in favour of the 3rd party offerings. 73 to all Trevor G0KTN ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
Re: [Elecraft] UK Elecraft net report for Sunday 21st December
Softrock and Rocky, pay attention to the cables between the Softrock and the sound card input, especially watching the balance. I didn't listen to the UK Elecraft net this morning so I'm not aware of the context, however when I started building Softrock's I encountered the familiar centre frequency spike/noise problem. This was cured completely by changing the cable between the SR and soundcard to a Maplin L44AU http://www.maplin.co.uk/ The photo on the Maplin page is not clear enough to see, but there are actually two separately screened cables, one for each channel, rather than the more common (cheap) version which has both signal cables wound together inside a single screen. Anyway, its works for me. 73 to all Trevor G0KTN ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
KRX3 orders (Was Re: [Elecraft] Rambling on...).
G4MKP said: Finally, I ordered the KRX + filters on 10 Sep 08. When can I expect it? Well, I ordered mine on 8 April 2008 and was told in July that it would be several months. I queried again in September and there was still approx 2 months to go, so hopefully mine will arrive before Christmas. 73 to all Trevor G0KTN ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
Re: [Elecraft] K3 power control
Yes, I'd be interested in the recommended Data mode settings as well please. I'm seeing the same symptoms as outlined by Julian, G4ILO and first reported it to Elecraft Support on 15 September, just after 2.38/1.90 was released. There was no problem with the production release prior to that - 2.02/1.70. Trevor G0KTN ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
RE: [Elecraft] OT: Propagation
The NCDSF/IARU beacons have been doing just that for years on 20 through 10 meters with transmission from up to 18 countries on a single time-shared frequency in each band. Absolutely agree - wonderful resource and one that I have been using for many years. WSPR however extends the propagation research toolbox further in not only covering bands from 2m to 160 and below but also gives the individual station instant feedback (in the database or world map plot) of where the signal is being heard using very weak signal detection techniques. As of today there are nearly 1.5 million spots in the database, 6000 of which were in the last 24hrs. 73 to all Trevor G0KTN ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
Re: [Elecraft] OT: Propagation
Perhaps setting up a WSPR beacon might be of interest. Have a look at http://wsprnet.org/drupal/ Headline: The Weak Signal Propagation Reporter Network is a group of amateur radio operators using K1JT's MEPT_JT digital mode to probe radio frequency propagation conditions using very low power (QRP/QRPp) transmissions. The software is open source, and the data collected are available to the public through this site 73 to all Trevor G0KTN ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
Re: [Elecraft] UK Elecraft net report for Sunday 21st September
Other almost Elecraft topics included power measurement and especially the LP-100 power meters that several of us use. That sounds interesting - care to elaborate. 73 to all Trevor G0KTN ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
RE: [Elecraft] Re: K3 Audio
All of this is consistent with the K3 Manual which says: | LIN OUT settings above 10 are usually not necessary, | and can in some cases cause overloading of either the | K3s output transformers or the PC soundcard inputs | (typically on noise peaks). Either could degrade the | performance of digital demodulation software. This is news to me - when did this rather crucial change take place, and more importantly what else has changed. My manual says the default for Line Out is 30. Having now looked at the latest manual I can see the reference but what I don't see is the errata sheet detailing all the other changes in the new manual. Not getting at you Joe, in fact I'm grateful to you for pointing it out. 73 to all Trevor G0KTN ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
Re: [Elecraft] Switching supplies and the K3
I have a GSV3000 as well and can confirm the lack of rfi. In my opinion switch mode supplies have no place anywhere near the ham shack - its bad enough the neighbours having them all over the place but they don't know or care - we should know better. As an aside if anyone has any doubts about whether or not switch mode supplies cause rfi get one of these devices and check it http://www.winradio.co.uk/home/erd.htm I got one some years ago after a tip on the FlexRadio list and its been extremely useful in tracking down sources of interference - just hold it near to a wall wart supply, or usb cable for instance and be astonished with the amount to radiation being generated. The rfi being produced might not be falling directly within the hf ham bands, but, its unwanted radiation nonetheless and is not something you want in or around the shack. 73 to all Trevor G0KTN ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
[Elecraft] K3 Line IN ALC Data A mode
Back in April there was a discussion about how to adjust the Line In control for correct ALC indication when using Data A mode for psk (or in my case K1JT's WSPR), and the recommendation was set it so you get 4 bars of ALC, with possibly the 5th bar occasionally flickering. Having just received my Nifty manual I see that the recommendation is now to set the Line In so that there is no ALC indication and having just looked at the Elecraft site I see its also mentioned in the K3 operating tips section. When did this change take place - I obviously missed it amongst all the beta/production releases - or am I confusing this with something completely different. 73 to all Trevor G0KTN ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
[Elecraft] Re: K3 Line IN ALC Data A mode
Thanks for the clarification Bob. I was aware of Lyle's comments about setting ALC to 4 bars but got confused by the contrary information in the operating tips and the Nifty manual. Anyway, it appears I had the rig set right in the first place so I shall leave well alone. 73 to all Trevor G0KTN ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
[Elecraft] KX1 3080 module part 1 test
I've just completed part 1 of the 3080 build and re-done the alignment. All appears well, 40/20 rx working as expected. However I've noticed that the rf gain control (R1) appears to now have very limited range in fact it hardly seems to make any difference at all - is this because the rest of the build has yet to be completed or does it indicate a possible problem. When I did the resistance check of R1 I got around 900 ohms. 73 to all Trevor G0KTN ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
Re: [Elecraft] KX1 3080 module part 1 test
Hi Don, thanks for the reply. check the green winding, it is easy to pull the leads too much and end up with a badly tinned lead. Absolutely correct - that was the problem, RF gain now restored. 73 Trevor G0KTN Original Message Trevor, An RF Gain with severely limited range is normally an indication that there is something wrong with T2 - check the toroid leads for good tinning. If you cannot see a bit of tinned lead on the toroid side of the board, it probably was not tinned close enough to the core - especially check the green winding, it is easy to pull the leads too much and end up with a badly tinned lead. 73, Don W3FPR Trevor Smithers wrote: I've just completed part 1 of the 3080 build and re-done the alignment. All appears well, 40/20 rx working as expected. However I've noticed that the rf gain control (R1) appears to now have very limited range in fact it hardly seems to make any difference at all - is this because the rest of the build has yet to be completed or does it indicate a possible problem. When I did the resistance check of R1 I got around 900 ohms. 73 to all Trevor G0KTN ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
Re: [Elecraft] K3 6m pre-amp
Is this what the preamp is meant to address Have a look at the K3 Test from Bavaria pdf half way down page 11 - note from Wayne. http://www.bavarian-contest-club.de/projects/K3_english.pdf 73 to all Trevor G0KTN ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
[Elecraft] K3 6m pre-amp
Anyone have any new information on the 6m pre-amp for the K3. I'm aware that it was being tested back in January - just wondering when its likely to become available. Hopefully it will be in kit form. 73 to all Trevor G0KTN ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
[Elecraft] Solder fumes
It goes without saying that Elecraft have produced an excellent piece of technology in the K3 but even in the kit form it doesn't quite have the I built it feeling like the other Elecraft products. Having said that I'm sure there is no way that the average builder could attempt something quite so complex given the amount of surface mount involved. So, does the K3 represent the end of kit building as we know it - where do we go from here. What could Elecraft offer that would be both technologically challenging (in design and for the builder) and capable of being home built with a mixture of large SMD (some pre-mounted perhaps) and normal components. How about a new design K2 ELF receiver. Station monitor scope What would you like to see next .. Those of us here that have built K1, K2, Kx1, XV's etc will know what I'm talking about - this building thing is addictive, it must be something to do with the solder fumes. 73 to all Trevor G0KTN ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
Re: [Elecraft] OT - Signatures quotes
'quote of the day' How about 5/6 line spaces between the end of your reply and the start of the quote. That way the quote doesn't get mixed up with the message and can be ignored. Personally I find the addition annoying but others obviously like them. 73 to all Trevor G0KTN ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
Re: [Elecraft] Re:Mike plug for K2
help isolate the plug connections from cord-flexing? There is a new mic plug from Heil that might be of interest - definitely more up market than the usual range of plugs. http://www.heilsound.com/amateur/products/stealth-connector/index.htm 73 to all Trevor G0KTN ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
Re: [Elecraft] [K3] Noise Reduction Recording
is this just broadband hash in my urban neighbourhood from er, broadband and wall warts etc? Yes, also known as frying bacon/eggs, atmospheric qrn, call it what you will. The cure is a separate receiving antenna. For a fairly convincing demonstration of the Wellbrook 1530 loop in action on 160 listen to this http://www.wellbrook.uk.com/G0BDE/ Personally I have never found any NR implementation (from any manufacturer) to be very effective on audio signals and completely agree with Shaun's comment one of the things with noise reduction I've found is that it tends to detract some from the original quality of the audio you're trying to weed out from all that noise as well and in many cases, apply too much and everything's in the mud. audio and all. What you really need is a method of identifying the actual ssb speech waveform, extracting the noise from it leaving the signal in the clear. There is a company in Germany that produces an outboard unit that I find very effective without the degradation in the audio. Audio demo here http://www.home.vrweb.de/michels/sound_demo.htm I use a pair of their DX-21 kit modules and feed the left/right stereo output into each one so I get independent NR control of each channel. There is an Eham review here http://www.eham.net/reviews/review/43017 By using a pair I also retain the audio fx and binaural I-Q. You would need to contact the company about the availability of the DX21 modules as I see they are no longer shown on the site. I find the combination of a receiving antenna (I use a rotatable 1530 loop) and the outboard noise reduction very effective on 80/160 grey line SSB weak signal work for instance. Anyway, something to think about. 73 to all Trevor G0KTN ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
Re: [Elecraft] K2 K3 (ssb)
David said: I just imagine that there is somewhere a reference that will help identify those bits of the display which contribute most to clarity and make it easy and more Is this of any use as an analytical tool http://www.dxatlas.com/VShaper/ Trevor G0KTN ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
[Elecraft] K3 Data-A PSK31
What are the benefits of using Data-A mode for psk31 as opposed to standard USB. The manual p29, mentions that DATA mode offers several benefits not available in SSB modes however other than automatically setting CMP to 0, I can't see much else happening. Does Data-A route the signal differently to standard SSB for instance. What am I missing? Rig: K3 Interface: Microham DigiKeyer Software: HRD/DM780 73 to all Trevor G0KTN ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
Re: [Elecraft] 100 K3's shipped
Vic, it was ordered 4th of May Before some of us here (me included) head for the nearest cliff can you confirm that your K3 order date was actually the 4 May 2007. Also, when did you receive your order confirmation email from Elecraft with the request for payment etc. On the face of it, it looks as if a batch of emails from Elecraft for orders around 2/3 May have either not been sent out yet, or have gone astray. 73 to all Trevor G0KTN ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
Re: [Elecraft] A My K3's coming question
USInterface.com Navigator arriving soon. One USB cable to plug into the PC, the Navigator provides high-quality soundcard, COM ports, FSK, K1EL and nice knobs on the front. If you or anyone else is after a good solution then this is worth considering. Very similar to the latest Microkeyer by the look of it http://www.microham-usa.com/Products/MKII.html 73 to all Trevor G0KTN ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
Re: [Elecraft] Hakko in Europe
Jacques, The Hakko distributor in the UK/EU is Dancap Electronics - info on the 808 here, http://www.dancap.co.uk/desoldering/808CE.htm Trevor G0KTN ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
RE: [Elecraft] KPA100 SSB power control
Thanks for the reply Don, much appreciated. Just to clarify, I built up the amp last year but never got around to installing it. So around December 06 I obtained the upgrade kit and installed that as well and that's how things stand at the moment. However your reply and mention of the new C31 had me looking around the Elecraft site and I see that there is an errata dated 4 December 06 which stresses the importance of changing R19 R20 even though the correct values may already be installed - needless to say when I did the upgrade I followed the original instructions which basically says (on page 4) if the correct value components are already installed go to the next section. So, the upshot is, that I need to strip down the amp, replace R19 20 with the low inductance type, check the other components in accordance with the latest errata and install a new C31. At which point I should be in a position to check out the amp properly. 73 to all Trevor G0KTN ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
[Elecraft] KPA100 SSB power control
I have just installed a recently constructed KPA100 (including the latest upgrades) and appear to have run into the erratic power control problem. Using Tune + Display and an external LP100 meter, if I request 5w I get 5w out. Increasing power to 11w so as to engage the pa I also get 11w out - so all seems fine. Switching to SSB, and speaking steadily into the mic, at a requested 5w I get approximately 5-7w out on each band. However increasing the power to 11w I get the following: 80m Req 11 Get 45 40m Req 11 Get 80 20m Req 11 Get 25 15m Req 11 Get 30 10m Req 11 Get 20 Reading back through the archive I see that others have encountered the same problem but cannot see a definitive answer to the problem. Anyone have any thoughts as to where to start looking. 73 to all Trevor G0KTN ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
[Elecraft] KAT100 U2 checks
Have just been doing the resistance checks on a KAT100. Everything appears ok except for U2 pins 3, 12 13 where I get no reading whatsoever. I'm assuming that static has probably killed either U2, U3 or U4 or perhaps all three - or is there something else I should be looking at first. Any advise appreciated. Regards to all Trevor G0KTN ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
[Elecraft] XV-50 and Callsign software
I've recently been talking to Mike, WA1EYP at Callsign software about including support for the XV-50 transverter in the K2 Ham Station Extreme control software www.callsignsoftware.com His reply is copied (with permission) below and basically says that he would be quite happy to include the XV-50 (and no doubt others in the range) if I could let him know of any special commands required other than just including the new frequency range in the band database. As I'm not a programmer I don't really know what's required so thought it would be a good idea to post on the list to see if the experts here can offer advise and suggestions. Mike can be contacted direct at mailto:[EMAIL PROTECTED] 73 Trevor G0KTN Original message: With our K2 software we anticipated new bands with a band database. We permit the construction of custom bands as long as the radio physically supports that band. The user enters frequency range, band label (i.e. 20 m) , and scale color. Custom bands are like normal bands but are setup by the user. I have not been able to get programming info on the xverters. However if they do not require any special commands in the software other than going to their frequency range then they can easily be added. So if you can confirm to us whether there are any special commands that we must use to use the transverter we would appreciate it. If there are no special commands required, on our next release we can simply add the 6 meter band to our band database as we did with the 5MHz band. Our current release does not have the 6 meter band in the band database. Band functions are blocked on frequencies outside of the band database. Thanks Mike WA1EYP ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
[Elecraft] Re: KPA100 K3 relay
First of all, thanks to all those that offered advice - much appreciated. Well, after much deliberation (reading this mail archive Eham reviews etc) I decided to put away the solder wick and purchase a Hakko 808. I tried it out on some discarded pcb's ( where I had previously used solder wick) and all I can say is that its probably the best tool purchase I've made. Full of confidence I tackled the K3 relay and a few seconds later it came away from the board as clean as you like - wonderful!! Its expensive to buy in the UK, and if you're a careful builder it might not see a lot of immediate use, but for those occasions when mistakes do occur or you need to rework the K2 to install mods etc it looks like being invaluable. 73 to all Trevor G0KTN ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
[Elecraft] KPA100 K3 relay
Well, after carefully reading the manual and noting that relay K3 should not be installed until after T2, I lost concentration and installed it by mistake. Is this a show stopper, requiring removal of the relay, or more to do with having enough room to solder T2 to the long pads etc? Trevor G0KTN ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
Re: [Elecraft] T1 application
Bill, There was an article in QST July 2004 called Remote DC Power through your coax by Phil Salas, AD5X that may be of use. I'm sure someone here who has the annual QST cd, will oblige in due course, if you're interested. 73 Trevor G0KTN ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
Re: [Elecraft] CW
Phil, Go here http://www.g4fon.co.uk/ and have a look at the Koch CW Trainer. Trevor G0KTN ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
