Re: [Elecraft] K3 wish list - option to turn off display
On 080430 5:05 , [EMAIL PROTECTED] [EMAIL PROTECTED] wrote: Bob, I don't think your concerns are warranted. The LCD is an array of transistor switches which affect the transmission of light by polarizing effects of their electrostatic field. The actual light is provided by backlighting from light emitting diodes which are well known for their longevity. The Day mode will shut off the LED backlights on the LCD, but unfortunately it also ups the level of brightness for the LEDs on the controls. That would seem to be a simple fix in the firmware. Al WA6VNN I have recently got a comment from Wayne about this as it is on my wish list of things for future enhancements of the K3, he didn't seem to exited about it. (my other 3 requests are all in the next or future firmware, I guess they where more popular requests). I agree that this is not a question about lifetime of the backlight, to me it is more important to be able to use the radio in stealth mode when operating remote. I also find it useful when leaving the radio on overnight to use the band opening as an alarm clock. Wayne was very happy to receive my wish list in private mail, I think it is a good idea to use private email for any request you are serious about as it otherwise might drown in the reflector noise. 73 de Björn /SM0MDG ___ 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 Power ON audio trouble
Hi guys, I have trouble with my K3 when push power switch ON. If the RTX is switch OFF in SSB, AM or DATA mode and after is power ON, everythink is ok. But if I power OFF the RTX in CW mode, when I push the power ON, the audio on speaker or headphone is at maximum level for half second, just the time to see all data on the diplay. After the audio go less accordly to the position of AF potentiomenter and everythink work perfect. Seem to be a problem of chek up in the little time when the power switch is push ON (and no information appear on the display). As soon as the diplay have information, the audio work perfectly. I download the latest firmware, I tried several time with different configuration (such as filters, only headphone, only speakers and others) but the problem persist. Everytime switch off/on on SSB all is OK --- Only when in CW mode the audio go to the max level just and half of second after the power on switch is pressed. Any suggestion about this matter ? Some of you have note the same trouble? Thanks in advance for help! 73, Sten - IK2HKT ___ 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 ON audio trouble
Sten, Does not happen here. 73 Stewart G3RXQ On Thu, 1 May 2008 08:10:41 +, IK2HKT - Sten wrote: Hi guys, I have trouble with my K3 when push power switch ON. If the RTX is switch OFF in SSB, AM or DATA mode and after is power ON, everythink is ok. But if I power OFF the RTX in CW mode, when I push the power ON, the audio on speaker or headphone is at maximum level for half second, just the time to see all data on the diplay. After the audio go less accordly to the position of AF potentiomenter and everythink work perfect. Seem to be a problem of chek up in the little time when the power switch is push ON (and no information appear on the display). As soon as the diplay have information, the audio work perfectly. I download the latest firmware, I tried several time with different configuration (such as filters, only headphone, only speakers and others) but the problem persist. Everytime switch off/on on SSB all is OK --- Only when in CW mode the audio go to the max level just and half of second after the power on switch is pressed. Any suggestion about this matter ? Some of you have note the same trouble? Thanks in advance for help! 73, Sten - IK2HKT ___ 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 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] K3/10 mojo - discovered the source.
Never mind Julian, I am sure there is counselling available under the NHS :) :) Peter Zl1PWD K3#139 G4ILO wrote: Gary Krause wrote: I run 5 to 10 watts on my K2 all the time. So have I for the last 9 years. And my K3 for the last 4 months. But with the current state of the ionosphere it's just too hard going, if you don't have an antenna farm like the ones in the photos. I feel like a traitor but my order has just gone in for the PA upgrade to my K3. -- View this message in context: http://www.nabble.com/K3-10-mojo---discovered-the-source.-tp16980794p16993170.html Sent from the Elecraft mailing list archive at Nabble.com. ___ 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] Heil Microphones
I don't want to seem like I am flogging a dead horse, but, has anyone found a nice base Mic from Heil Sound that works nicely with a K3? There are many choices ranging from the sublime to the ridiculous and all I really need is a nice natural sounding base mic for the shack now that I have a hand mic for field work sorted out. I have a Silver Eagle that i can do the Heil cartridge change and although it's still a new mic (last series made) I only want a simple base mic without the clicks and clunks we hear so often these days. Also I am not interested in destroying the bands with audio equalisers and such. They are becoming a nuisance in Australia as the bandwidth they are consuming is almost obscene. So if anyone has any ideas it will be greatly appreciated. Love the K3, still reading the manual but not had to reset yetElecraft, you have every right to hold your head high and tell the world you built THE RADIO Gary #679 ___ 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 [Elecraft Proset Question
My Proset K2 works fine in the front connector of my K2 using the supplied adapter cable. This was purchased along with the K3. The Mic is a 'mono' style 3.5mm (pretty sure it's not 1/8, but the ever so slightly larger 3.5mm) connector, so the bias must be supplied to the tip at a guess. I normally use it in the rear mic socket and so I just set MENU MIC SEL = RP.L BIAS (rear panel, low mic gain with bias). 73 de M0XDF, K3 #174 -- God gives every bird his worm, but he does not throw it into the nest. -Swedish proverb On 1 May 2008, at 06:39, David Yarnes wrote: Fred and All, I believe the adapter supplied with the Elecraft Pro Set is a true Kenwood adapter. On the K2 you wired the radio for whatever microphone you wanted. If you wanted to use a Kenwood microphone setup you wired the K2 accordingly. That would put bias on pin 5. The Elecraft Pro Set, which is an electret with the IC cartridge, was deemed to be fully Kenwood compatible, and so they just supplied a Kenwood adapter with the Pro Set, and that worked fine on a K2 wired for Kenwood. Along comes the K3, with bias preset on pin 6, and they are still sending out the Kenwood adapter. I think that's why it doesn't work for you. I have the Elecraft Pro Set also, and I just use the jacks on the back of the K3--no adapter used. ___ 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 [Elecraft Proset Question
The Pro-Set that I bought from Elecraft works fine here using both rear panel jacks and front panel with the adaptor provided. Haven't checked it on my K2 'cuz it's not set up to provide the bias needed. 73, Ken K3IU K3 #202 ~ Fred Jensen wrote: Ike Topliss wrote: John, The adaptor that I received with my Heil Proset K2 does not work at all with my K3 on the front panel connector. However, the mic when plugged into the rear panel works perfectly. Just adding this to the info you've already received. My experience too using the adapter that came with the K2Proset. Works fine with the rear connector. I'll wait for some answers here. 73, ___ 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 SN 000836
K3 SN 836 received 1st May 2008 @ 7.23 hrs UTC. Ordered 27th November 2007. Charles - M0BIN ___ 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 Mic
- Original Message - From: Gary Gregory [EMAIL PROTECTED] To: Elecraft@mailman.qth.net Sent: Thursday, May 01, 2008 01:24 Subject: [Elecraft] K3 Mic Yes, I wrote them sevearl weeks ago and to date no response 73 Doug N3QW Speaking of which, has anyone had any problems getting Heil to respond to an e-mail request regading a mic and ordering? regards, Gary VK4WT #679 ___ 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 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: wish-toggle pwr levels
You have my vote! Not urgent, but what a great (fun) feature to include! de Doug KR2Q ___ 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 TCXO calibration
Good day to all, First of all: K3 (812) arrived. Ordered 21 Nov 2007 Order confirmation 22 april Sent 24 april Arrived 28 april Let's see if reality meets expectations(I'll let you know) I've finished the building procedure and in the process of calibration. When calibrating the TCXO (1 ppm) you are told to locate CONFIG:REF CAL menu. No problem so far. The next sentence tells me to tap [1] to change the name to REF xxC. I'm tapping [1], but I'm getting the message b set. What am I doing wrong here? (see page 47 right column at the bottom of the owners manual) Thanks for replying in advance. 73's, Evert PA2KW ___ 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 - ferrite bead on power lead
After 10 days with my K3 I am still learning and still smiling. I was getting reports of mild to severe RF on my SSB audio. Since I was having trouble with my old MC-60 mic, I assumed it was the cause. Not so. I have an old brute force power supply. I use an open-wire fed antenna connected to a balun in the shack. When I monitored the voltage reaching the rig, the reported level varied wildly when in transmit mode. Putting a fat ferrite toroid choke on the power cord has solved the problem. FWIW. ___ 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] Katiegram
Ordered Dec 3, 07. Received note from Katie 4/30/08 Ron N4XD No virus found in this outgoing message. Checked by AVG. Version: 7.5.524 / Virus Database: 269.23.5/1400 - Release Date: 4/27/2008 9:39 AM ___ 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 [Elecraft Proset Question
Dave, The Elecraft ProSet K2 does use an adapter that is Kenwood compatible, and will work just fine with the K3 or with a properly wired mic configuration header on the K2. The bias is applied to the AF output line and neither pin 5 nor pin 6 are used in the adapter. 73, Don W3FPR David Yarnes wrote: Fred and All, I believe the adapter supplied with the Elecraft Pro Set is a true Kenwood adapter. On the K2 you wired the radio for whatever microphone you wanted. If you wanted to use a Kenwood microphone setup you wired the K2 accordingly. That would put bias on pin 5. The Elecraft Pro Set, which is an electret with the IC cartridge, was deemed to be fully Kenwood compatible, and so they just supplied a Kenwood adapter with the Pro Set, and that worked fine on a K2 wired for Kenwood. Along comes the K3, with bias preset on pin 6, and they are still sending out the Kenwood adapter. I think that's why it doesn't work for you. I have the Elecraft Pro Set also, and I just use the jacks on the back of the K3--no adapter used. ___ 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 TCXO calibration
Evert, You did not spot the Firmware Notes entry in the Errata sheet. That calibration method is not yet implemented. Use one of the other methods for the time being. 73, Don W3FPR Evert Bakker (PA2KW) wrote: Good day to all, First of all: K3 (812) arrived. Ordered 21 Nov 2007 Order confirmation 22 april Sent 24 april Arrived 28 april Let's see if reality meets expectations(I'll let you know) I've finished the building procedure and in the process of calibration. When calibrating the TCXO (1 ppm) you are told to locate CONFIG:REF CAL menu. No problem so far. The next sentence tells me to tap [1] to change the name to REF xxC. I'm tapping [1], but I'm getting the message b set. What am I doing wrong here? (see page 47 right column at the bottom of the owners manual) Thanks for replying in advance. 73's, Evert PA2KW ___ 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 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] Received K-3 Yesterday Missing Parts
Ordered my K-3 on November 26, resceived it yesterday. Started building it. It is typical Elecraft brilliance with excellent instructions. Seems VERY easy to build. Unfortunately, kit came without Left and Right Side Panels. Included extra set of bottom panels. I wonder if someone else is missing the bottom panels and got my side panels. Oh well, a quick email to Elecraft should get the panels here soon. Can't wait to get this little beauty on the air soon. George K2WO ___ 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 Proset Question
John: I have a Proset (from Elecraft) with the included Kenwood adapter and it works fine with the K3. I have tested it on the front panel with the adapter and the rear panel without it. I've used both vox and an external footswitch. I think there has been some confusion about the bias pin. I believe that the Proset IC element needs the bias applied to the microphone lead itself. The K3 does that internally when you set the menu entry turn the bias on. The additional bias pin on the front panel connector is for mics that have a separate bias lead. I don't believe that pin is connected in the Proset adapter, though I haven't rung it out. There is no need for it since the DC bias is already present on the mic lead. My understanding of bias on an electret mic is that DC must be applied directly to the mic element for it to work, and the audio to the mic amp in the rig is connected to it via a blocking capacitor. Some mics have the blocking capacitor built in, so there are separate pins for the audio and the bias on the connector. The Proset does not have the capacitor in it, so the K3 provides it internally. That is why there is a mono connector on the Proset mic lead - there is no separate pin for the bias. The bias pin on the K3 mic connector is only needed for mics with the blocking capacitor built it. Some recent K3's (including mine) used a new batch of front panel boards which were missing a ground connection to the capacitors filtering the bias to this internal capacitor. The symptom that I experienced was that the mic audio on the front panel (only) did not work, and if vox was enabled, the transmitter would key and remain keyed unless the mic gain or the vox gain was reduced to zero. The rear panel connections worked fine. A few hours after reporting this to Elecraft support, I was sent a description of the problem and a recommended fix (they had just discovered it themselves). It involved adding a small wire to the front panel to provide the ground connection for these caps. It was a very easy fix and worked perfectly. I personally am aware of two other folks that had the same problem and have successfully applied the fix. I don't know how many radios were affected, but we all had serial numbers around 730 or so as I recall (mine is 728). My understanding is the Elecraft is now applying this fix at the factory, so it was probably just a small number of radios that were affected. The bottom line is, if your Proset with its adapter is not working on the K3 front panel connection, then something is wrong (either the problem described above or something else) and you should contact Elecraft support. I've only ever dealt with them on this one issue and they are remarkably responsive and helpful. 73 and have fun! Rick AI1V K3 #728 John Reiser-3 wrote: I have a question for those who have used the Elecraft/Heil Proset with their K3. The description on the Elecraft web site says: Includes plug adaptor wired for Elecraft K2 pin out. I imagine that means it comes with an extension cable that accepts the 1/4' and 1/8 audio plugs shown in the picture and has an 8-pin Foster and 1/8 stereo audio plug at the other end. Is that correct? How do you like it with the K3? Are there any issues? Many thanks and 73, John, W2GW ___ 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 -- View this message in context: http://www.nabble.com/K3-Proset-Question-tp16989827p16993239.html Sent from the Elecraft mailing list archive at Nabble.com. ___ 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] Heil Microphones
Hi Gary: I would very much recommend the Shure 444D desk microphone. The resultant transmit audio using that microphone is so good that you will likely not even have to use the transmit audio equilizer on your K3. You can usually pick those desk mics up at flea market for reasonable price. I would definitely stay away from those overpriced heil cartridges or mics if you want excellent audio with any radios. I've been there and done that years ago and now use the shure 444D desk mics with all of my rigs. If you look at the response curve on that mic, it has a welcome boost around 2300 hz which is what you want in your audio and gives it an excellent presence. When you get comments that your transmit audio is great, then it is a good sign that you have it all ok. Cheers from Fern - Original Message - From: Gary Gregory [EMAIL PROTECTED] To: elecraft@mailman.qth.net Sent: Thursday, May 01, 2008 2:32 AM Subject: [Elecraft] Heil Microphones I don't want to seem like I am flogging a dead horse, but, has anyone found a nice base Mic from Heil Sound that works nicely with a K3? There are many choices ranging from the sublime to the ridiculous and all I really need is a nice natural sounding base mic for the shack now that I have a hand mic for field work sorted out. I have a Silver Eagle that i can do the Heil cartridge change and although it's still a new mic (last series made) I only want a simple base mic without the clicks and clunks we hear so often these days. Also I am not interested in destroying the bands with audio equalisers and such. They are becoming a nuisance in Australia as the bandwidth they are consuming is almost obscene. So if anyone has any ideas it will be greatly appreciated. Love the K3, still reading the manual but not had to reset yetElecraft, you have every right to hold your head high and tell the world you built THE RADIO Gary #679 ___ 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 -- No virus found in this incoming message. Checked by AVG Free Edition. Version: 7.5.516 / Virus Database: 269.23.6/1402 - Release Date: 4/28/2008 1:29 PM ___ 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 #00800
K3 Serial 800 just finished and working fine. Arrived 28. April 2008 Ordered 26. Nov. 2007 vy 73 to all, Martin, DK8ZJ ___ 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 [Elecraft Proset Question
David and All, I would guess that that would work. The question is what is really on pin 5 internally right now. The pinout diagram in the manual says pin 5 is a Function pin, and it is marked with an asterisk. The footnote says if applicable. So, I'm guessing there is really nothing going to pin 5 internally right now. But you aren't getting bias there either. That's on pin 6. That's presumably why you have to tell the K3 via menu to turn on the bias, and it puts bias on the microphone pin. If the supplied adapter used pin 6 instead of pin 5 I assume you would not have to go to the menu to get bias. So, I'm guessing now that the real problem would come when they start using pin 5 for some function not yet implemented. Maybe I'm all wet, but that's what I interpret from the diagram in the manual. Dave W7AQK Original Message - From: David Ferrington, M0XDF [EMAIL PROTECTED] To: David Yarnes [EMAIL PROTECTED] Cc: [EMAIL PROTECTED]; Elecraft Reflector elecraft@mailman.qth.net Sent: Thursday, May 01, 2008 1:48 AM Subject: Re: [Elecraft] re: K3 [Elecraft Proset Question My Proset K2 works fine in the front connector of my K2 using the supplied adapter cable. This was purchased along with the K3. The Mic is a 'mono' style 3.5mm (pretty sure it's not 1/8, but the ever so slightly larger 3.5mm) connector, so the bias must be supplied to the tip at a guess. I normally use it in the rear mic socket and so I just set MENU MIC SEL = RP.L BIAS (rear panel, low mic gain with bias). 73 de M0XDF, K3 #174 -- God gives every bird his worm, but he does not throw it into the nest. -Swedish proverb On 1 May 2008, at 06:39, David Yarnes wrote: Fred and All, I believe the adapter supplied with the Elecraft Pro Set is a true Kenwood adapter. On the K2 you wired the radio for whatever microphone you wanted. If you wanted to use a Kenwood microphone setup you wired the K2 accordingly. That would put bias on pin 5. The Elecraft Pro Set, which is an electret with the IC cartridge, was deemed to be fully Kenwood compatible, and so they just supplied a Kenwood adapter with the Pro Set, and that worked fine on a K2 wired for Kenwood. Along comes the K3, with bias preset on pin 6, and they are still sending out the Kenwood adapter. I think that's why it doesn't work for you. I have the Elecraft Pro Set also, and I just use the jacks on the back of the K3--no adapter used. ___ 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 Bias voltage
Hi all, I think we need to understand what is happening here. I am pretty sure I have this correct. The front panel socket is the same as the Kenwood one apart from the 8v being present on a different pin. However, this is a bit of a smokescreen as it actually has very little to do with bias voltage. The bias voltage as I see it drops a voltage onto pin 1 which will be the mic audio line. This has been done for speaker mics and handies for some time. So the bias voltage is nothing to do with where the 8v line is on the front panel socket. Unless your mic requires the 8v line which would only normally happen for desk mics (?) I do not see a problem. The vast majority of desk mics will have a blocking capacitor on the mic audio line. Do I have it correct? 73 Ian -- Ian J Maude, G0VGS SysOp GB7MBC DX Cluster Member RSGB, GQRP K2 #4044 |K3 #455 ___ 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 [Elecraft Proset Question
The question is what is really on pin 5 internally right now. The pinout diagram in the manual says pin 5 is a Function pin, and it is marked with an asterisk. The footnote says if applicable. So, I'm guessing there is really nothing going to pin 5 internally right now. Why guess? Simply look at the schematics posted in the Elecraft web site. Pins 3 (Down), 4 (Up), and 5 (Function) are connected to a resistor network (voltage divider) that provides a specific (different) voltage for each of the buttons to a sense input on the controller. None of the functions have been implemented in the firmware but the hardware is in place. 73, ... Joe, W4TV -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of David Yarnes Sent: Thursday, May 01, 2008 10:44 AM To: David Ferrington, M0XDF Cc: Elecraft Reflector; [EMAIL PROTECTED] Subject: Re: [Elecraft] re: K3 [Elecraft Proset Question David and All, I would guess that that would work. The question is what is really on pin 5 internally right now. The pinout diagram in the manual says pin 5 is a Function pin, and it is marked with an asterisk. The footnote says if applicable. So, I'm guessing there is really nothing going to pin 5 internally right now. But you aren't getting bias there either. That's on pin 6. That's presumably why you have to tell the K3 via menu to turn on the bias, and it puts bias on the microphone pin. If the supplied adapter used pin 6 instead of pin 5 I assume you would not have to go to the menu to get bias. So, I'm guessing now that the real problem would come when they start using pin 5 for some function not yet implemented. Maybe I'm all wet, but that's what I interpret from the diagram in the manual. Dave W7AQK Original Message - From: David Ferrington, M0XDF [EMAIL PROTECTED] To: David Yarnes [EMAIL PROTECTED] Cc: [EMAIL PROTECTED]; Elecraft Reflector elecraft@mailman.qth.net Sent: Thursday, May 01, 2008 1:48 AM Subject: Re: [Elecraft] re: K3 [Elecraft Proset Question My Proset K2 works fine in the front connector of my K2 using the supplied adapter cable. This was purchased along with the K3. The Mic is a 'mono' style 3.5mm (pretty sure it's not 1/8, but the ever so slightly larger 3.5mm) connector, so the bias must be supplied to the tip at a guess. I normally use it in the rear mic socket and so I just set MENU MIC SEL = RP.L BIAS (rear panel, low mic gain with bias). 73 de M0XDF, K3 #174 -- God gives every bird his worm, but he does not throw it into the nest. -Swedish proverb On 1 May 2008, at 06:39, David Yarnes wrote: Fred and All, I believe the adapter supplied with the Elecraft Pro Set is a true Kenwood adapter. On the K2 you wired the radio for whatever microphone you wanted. If you wanted to use a Kenwood microphone setup you wired the K2 accordingly. That would put bias on pin 5. The Elecraft Pro Set, which is an electret with the IC cartridge, was deemed to be fully Kenwood compatible, and so they just supplied a Kenwood adapter with the Pro Set, and that worked fine on a K2 wired for Kenwood. Along comes the K3, with bias preset on pin 6, and they are still sending out the Kenwood adapter. I think that's why it doesn't work for you. I have the Elecraft Pro Set also, and I just use the jacks on the back of the K3--no adapter used. ___ 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 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] OT: Memristor creation
Something new in circuits! News: http://www.eetimes.com/news/latest/showArticle.jhtml?articleID=207403521 The paper itself: http://www.nature.com/nature/journal/v453/n7191/full/nature06932.html 73, Mike ab3ap ___ 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 roofing filter IMD
I was perusing the Sherwood Engineering receiver evaluation data, http://www.sherweng.com/table.html , and I noticed that the K3 2 KHz dynamic range is reported to be significantly better with the 200 Hz 5-pole roofing filter than with the 400 or 500 Hz filter. Then I came across some IMD data on the K3 Wiki, http://www.zerobeat.net/mediawiki/index.php/K3_Roofing_Filters , which does not show much difference between those filters, but has an interesting footnote: It should be mentioned that in a published review of the K3, G4AON observed degradation of close-spaced IMD measurements with the 400 Hz, 8 pole filter: These figures are for a 400 Hz bandwidth with the 8 pole 400 Hz roofing filter, the rather surprising discovery was the dynamic range improved by almost 10 dB when the 2.8 KHz 8 pole filter was selected. G4AON's findings haven't yet been independently confirmed however. Any thoughts on resolving these apparent inconsistencies? Dave Hachadorian, K6LL Yuma, AZ . ___ 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 TCXO calibration
As others noted, that is not yet implemented in firmware. However, you still have 1ppm accuracy. Use method 1 or 2 to set the oscillator on frequency. When it's implemented, method 3 will allow you to get even higher stability by compensating in firmware for the known variation in the 1 ppm TCXO as shown on the compensation data supplied with your 1ppm TCXO. I believe they're shooting for something close to 0.5 ppm. Be sure to save that compensation data in a safe place for later! Ron AC7AC -Original Message- Good day to all, First of all: K3 (812) arrived. Ordered 21 Nov 2007 Order confirmation 22 april Sent 24 april Arrived 28 april Let's see if reality meets expectations(I'll let you know) I've finished the building procedure and in the process of calibration. When calibrating the TCXO (1 ppm) you are told to locate CONFIG:REF CAL menu. No problem so far. The next sentence tells me to tap [1] to change the name to REF xxC. I'm tapping [1], but I'm getting the message b set. What am I doing wrong here? (see page 47 right column at the bottom of the owners manual) Thanks for replying in advance. 73's, Evert PA2KW ___ 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 Bias voltage
So the bias voltage is nothing to do with where the 8v line is on the front panel socket. Unless your mic requires the 8v line which would only normally happen for desk mics (?) I do not see a problem. The vast majority of desk mics will have a blocking capacitor on the mic audio line. Do I have it correct? Not quite. Kenwood, Yaesu and TenTec all require the +8V (+5V on pin 2 for Yaesu/Kenwood) line for electret mics. They do not put bias on the microphone audio line in order to prevent problems and potential damage with dynamic mics. Instead they install a R/C network inside any electret or preamplified microphone to add the voltage directly at the mic element or preamplifier. Dynamic mics typically do not include blocking capacitors in the mic line although some amateur mics will include a switch and .1 to .33 uF capacitor to provide a rising frequency response. 73, ... Joe, W4TV -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Ian J Maude Sent: Thursday, May 01, 2008 10:57 AM To: Elecraft Reflector Subject: [Elecraft] Re: K3 Bias voltage Hi all, I think we need to understand what is happening here. I am pretty sure I have this correct. The front panel socket is the same as the Kenwood one apart from the 8v being present on a different pin. However, this is a bit of a smokescreen as it actually has very little to do with bias voltage. The bias voltage as I see it drops a voltage onto pin 1 which will be the mic audio line. This has been done for speaker mics and handies for some time. So the bias voltage is nothing to do with where the 8v line is on the front panel socket. Unless your mic requires the 8v line which would only normally happen for desk mics (?) I do not see a problem. The vast majority of desk mics will have a blocking capacitor on the mic audio line. Do I have it correct? 73 Ian -- Ian J Maude, G0VGS SysOp GB7MBC DX Cluster Member RSGB, GQRP K2 #4044 |K3 #455 ___ 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 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 roofing filter IMD
K6LL: I was perusing the Sherwood Engineering receiver evaluation data, http://www.sherweng.com/table.htmlhttp://www.sherweng.com/table.html , and I noticed that the K3 2 KHz dynamic range is reported to be significantly better with the 200 Hz 5-pole roofing filter than with the 400 or 500 Hz filter. Then I came across some IMD data on the K3 Wiki, http://www.zerobeat.net/mediawiki/index.php/K3_Roofing_Filtershttp://www.zerobeat.net/mediawiki/index.php/K3_Roofing_Filters , which does not show much difference between those filters, but has an interesting footnote: It should be mentioned that in a published review of the K3, G4AON observed degradation of close-spaced IMD measurements with the 400 Hz, 8 pole filter: These figures are for a 400 Hz bandwidth with the 8 pole 400 Hz roofing filter, the rather surprising discovery was the dynamic range improved by almost 10 dB when the 2.8 KHz 8 pole filter was selected. G4AON's findings haven't yet been independently confirmed however. Any thoughts on resolving these apparent inconsistencies? My guess is G4AON had a measurement problem when he originally published that. The current version of Dave's review has no such comment anywhere to be found: Two tone dynamic range testing was only possible on 14 MHz as I only have one signal generator, the other being a well buffered 14 MHz fixed crystal oscillator based on the design for dynamic range testing from the book Solid state design for the radio amateur. Both these were combined in a hybrid coupler and fed via a variable attenuator to the K3. The factory figures give a 100 dB dynamic range at 5 KHz spacing and 95 dB for a 2 KHz spacing, both using a 400 Hz (8 pole) filter. My measurements give a two tone dynamic range at 2 KHz signal spacing of 100dB with the pre-amp off. These figures are for a 400 Hz bandwidth with the 8 pole 400 Hz roofing filter, similar high dynamic range figures exceeding 100 dB at close signal spacing were also obtained by the ARRL (review in April 2008 QST), two other amateurs and also by Rob Sherwood the well known receiver tester, these tests were independent of each other and on different K3s. http://www.astromag.co.uk/k3/ It should have been a clue that there was a measurement problem when better performance was obtained with a wider filter...that simply doesn't make sense. ARRL has published a few strange results (like better performance with preamp on versus preamp off) for other products so I think everyone makes a few measurement or data recording errors at times. It's also important to remember that everything we read on the Internet is not always true! I believe the results from Sherwood, ARRL and Elecraft have all been consistent so far (with the exception that Sherwood uses a classical technique of measuring IMD which may result in phase noise limited measurements). ARRL and Elecraft use a narrow bandwidth spectrum analyzer (which eliminates phase noise effects) which makes their results look better that is actually achievable in practice (i.e. phase noise masks IMD performance). 73, Bill W4ZV ___ 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 and the KRC-2 interface
Lennart, I have a KRC-2 on each of my K3s and they work fine. I have not found an elegant way to connect them to the ACC connector though, so I simply tied into the AUXBUS lines with a pigtail coming off the ACC plug. Looks funny, but works fine. Bob K5WA K3 #234 and #752 K2 #4687 Message: 7 Date: Thu, 1 May 2008 06:08:20 +0200 From: Lennart Michaelsson[EMAIL PROTECTED] Subject: [Elecraft] K3 and the KRC-2 interface To: elecraft@mailman.qth.net Message-ID: [EMAIL PROTECTED] Content-Type: text/plain; charset=us-ascii GM all, Anyone having experience of using the KRC-2 together with the K3? I need an interface to control my remote TX antenna switch but maybe the KRC-2 is overkill? SM7BIC ___ 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 S/N 799 Ordered 11/18/2007 Arrived
Hi all - K3 S/N 799 modular kit ordered 11/18/2008 with 1/2 price deposit arrived in Boca Raton, FL today. Includes K3/100, KAT3, KFL3A-200 200 Hz filter, KFL3A-2.1 kHz filter. Backordered are KRX3 2nd Rx and KDVR3 digital voice recorder. Hope to copy you soon. KG4LCF, Larry ___ 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: Memristor creation
Interesting, especially since the effect as described there has been known and used since the 1930's at least: ...called a memristor, because it remembers changes in the current passing through it by changing its resistance. Now HP claims to have discovered the first instance of a memristor, which it created with a bi-level titanium dioxide thin-film that changes its resistance when current passes through it. Bill Hewlett, co-founder of HP, would get a chuckle out of that statement. The HP corporation was founded in the 1930s with its first product a low-distortion audio oscillator that used such a device in its feedback loop to keep distortion of the output waveform very low! The device Hewlett used was a small incandescent light bulb. A incandescent bulb's resistance varies in proportion to the current flowing through it. IIRC, that invention was Hewlett's senior project at Stanford, and it was their company's first product: the HP 200A Stabilized Wein Bridge Oscillator. It's a circuit every one of us studied and used in engineering school. I still have an example of one on my bench. I elected not to buy the article to see what's different in the devices they're playing with now, but there's a certain symmetry in the idea that HP started out with such a device and now their labs are discovering it anew in modern nano-circuits. Ron AC7AC -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Mike Markowski Sent: Thursday, May 01, 2008 8:08 AM To: elecraft@mailman.qth.net Subject: [Elecraft] OT: Memristor creation Something new in circuits! News: http://www.eetimes.com/news/latest/showArticle.jhtml?articleID=207403521 The paper itself: http://www.nature.com/nature/journal/v453/n7191/full/nature06932.html 73, Mike ab3ap ___ ___ 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 Bias voltage
I have almost come to the conclusion that no one really knows how to connect a microphone to a K3. There is even confusion about the Heil headset which Elecraft sells as being compatable with the K3. I have a kenwood MC-80 and it worked with no modification however it has an internal battery so I would probably need rewiring if it were not for the battery. Steve Ellington [EMAIL PROTECTED] - Original Message - From: Joe Subich, W4TV [EMAIL PROTECTED] To: 'Ian J Maude' [EMAIL PROTECTED]; 'Elecraft Reflector' elecraft@mailman.qth.net Sent: Thursday, May 01, 2008 11:26 AM Subject: RE: [Elecraft] Re: K3 Bias voltage So the bias voltage is nothing to do with where the 8v line is on the front panel socket. Unless your mic requires the 8v line which would only normally happen for desk mics (?) I do not see a problem. The vast majority of desk mics will have a blocking capacitor on the mic audio line. Do I have it correct? Not quite. Kenwood, Yaesu and TenTec all require the +8V (+5V on pin 2 for Yaesu/Kenwood) line for electret mics. They do not put bias on the microphone audio line in order to prevent problems and potential damage with dynamic mics. Instead they install a R/C network inside any electret or preamplified microphone to add the voltage directly at the mic element or preamplifier. Dynamic mics typically do not include blocking capacitors in the mic line although some amateur mics will include a switch and .1 to .33 uF capacitor to provide a rising frequency response. 73, ... Joe, W4TV -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Ian J Maude Sent: Thursday, May 01, 2008 10:57 AM To: Elecraft Reflector Subject: [Elecraft] Re: K3 Bias voltage Hi all, I think we need to understand what is happening here. I am pretty sure I have this correct. The front panel socket is the same as the Kenwood one apart from the 8v being present on a different pin. However, this is a bit of a smokescreen as it actually has very little to do with bias voltage. The bias voltage as I see it drops a voltage onto pin 1 which will be the mic audio line. This has been done for speaker mics and handies for some time. So the bias voltage is nothing to do with where the 8v line is on the front panel socket. Unless your mic requires the 8v line which would only normally happen for desk mics (?) I do not see a problem. The vast majority of desk mics will have a blocking capacitor on the mic audio line. Do I have it correct? 73 Ian -- Ian J Maude, G0VGS SysOp GB7MBC DX Cluster Member RSGB, GQRP K2 #4044 |K3 #455 ___ 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 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 -- No virus found in this incoming message. Checked by AVG. Version: 7.5.524 / Virus Database: 269.23.7/1409 - Release Date: 5/1/2008 8:39 AM ___ 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 Headphone jack/front panel gap
Ron: Glad this is getting attention. After reading your email I removed the front panel and disassembled it enough to check those items. The lockwashers that you mentioned were properly in place, though it seems that if they weren't the headphone washer would be tighter, not looser. The mic connector is not an issue at all as there is actually quite a bit of clearance around it in my front panel (perhaps a recent design tweak?). I used the squeeze it together and tighten approach to snug things down and the washer is no longer loose. There is however, a barely perceptable inward bowing of the front panel now. It is very minor and much less annoying than the rattling washer, so I buttoned it back up that way. I've reported this to support at Elecraft. 73 and have fun! Rick AI1V K3 SN728 Hi Windy: I'm working on the assembly procedures, monitoring e-mails and talking with Gary and the techs in Aptos who are working on returned gear and building K3s to see where I need to provide more or better information in the manuals. I'm in Oregon and cannot see for myself the returned gear or the assembly of the new rigs. ... Given that those standoffs between the front panel board and the front panel sheet metal are installed correctly, Aptos has found tightening the PHONES jack knurled nut a bit more (squeezing the boards and front panel sheet metal between thumb and fingers while turning the knurled nut) has always cured the problem. Since I mentioned that, several builders wrote me personally to report that worked for them too. If that doesn't work for you, post a message to [EMAIL PROTECTED] Gary will pick it up there and pursue the fix for you and we'll find out what is happening to cause the problem for others. ... Ron AC7AC -- View this message in context: http://www.nabble.com/K3-Headphone-jack-front-panel-gap-tp16963375p16993320.html Sent from the Elecraft mailing list archive at Nabble.com. ___ 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 and the KRC-2 interface
Anyone having experience of using the KRC-2 together with the K3? Several of us are using KRC2s with K3s. This combination works great. You must power up the KRC2 either before or with the K3 in order for the KRC2 to recognize K3 band changes. There are different approaches to connecting to the AUXBUS signal on the K3 ACC connector. There are several signals on the ACC connector that you may want to use in your system configuration. One approach is to use Y-adapter cables to provide multiple DE15 connections, to which a (custom) cable for each signal can be used. Beware, though, that some Y-adapters have one or more pins or wires missing because in the typical use of these adapters for video, those lines aren't needed. The K3 ACC DE15 does use all 15 pins. A second approach is to make up a custom cable where multiple cables run from a single DE15 to each of the different uses you have. For example, I made up cables with a mini-coax and two-wire shielded cable going from a DE15 connected to the K3 ACC jack. The coax goes to a DE9 for connecting the AUXBUS signal to the KRC2. The other cable goes to another DE9 for connecting the K3 FSK and PTT inputs to the PC Serial COM port for RTTY. I need an interface to control my remote TX antenna switch but maybe the KRC-2 is overkill? Perhaps. Depends on what your antenna switch requires. Rather than the KRC2, you can hook up a BCD band decoder to the four lines on the K3 ACC connector. The W9XT decoder board is small and cheap. Several K3 owners have mounted this PCB inside their antenna switch and just run a four-wire cable (plus ground) from the K3 to the PCB/antenna switch unit. 73, Ed - W0YK ___ 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] test
Ignore please this is a test mesage. ___ 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 roofing filter IMD
Dave The measurement was real, however re-testing gave inconsistent results and varied depending on which side of the two signals the IMD measurement was taken. It is possible the 8 pole 400 Hz filter may have a blip in it's response, equally my home made signal source and hybrid coupler may introduce a strange artefact. However, switching the filters between 8 pole 400 Hz and 8 pole 2.8 KHz gave a clear spurious signal on the narrower filter that wasn't present with the wider one. As others weren't able to reproduce the effect with their K3s, it seemed to make sense to remove reference to the issue from my web site. I didn't want to add to the existing debate over which filters to buy! 73 Dave, G4AON K3/100 #80 I was perusing the Sherwood Engineering receiver evaluation data, http://www.sherweng.com/table.html , and I noticed that the K3 2 KHz dynamic range is reported to be significantly better with the 200 Hz 5-pole roofing filter than with the 400 or 500 Hz filter. Then I came across some IMD data on the K3 Wiki, http://www.zerobeat.net/mediawiki/index.php/K3_Roofing_Filters , which does not show much difference between those filters, but has an interesting footnote: It should be mentioned that in a published review of the K3, G4AON observed degradation of close-spaced IMD measurements with the 400 Hz, 8 pole filter: These figures are for a 400 Hz bandwidth with the 8 pole 400 Hz roofing filter, the rather surprising discovery was the dynamic range improved by almost 10 dB when the 2.8 KHz 8 pole filter was selected. G4AON's findings haven't yet been independently confirmed however. Any thoughts on resolving these apparent inconsistencies? Dave Hachadorian, K6LL ___ 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] It's here!
K3 SN 832 arrived about a half hour ago. I ordered it on November 29, and it left Aptos on Tuesday. I still have about 200 assignments to finish grading before the end of the term here at OK State. So, I grade some, and then I read the manual. 73 de Bill, N5TU ___ 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] WA3WSJ Black Widow Vertical Page Updated!
Hello all, I've updated my BW Page so have a look. http://wa3wsj.homestead.com/BW.html 72, Kangaroo Ed, WA3WSJ ___ 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] MD2 element question
I have a Proset (from Elecraft) with the included Kenwood adapter and it works fine with the K3. Anyone know what kind of mic element is inside the Elecraft/Heil MD2 Desk Microphone? That's D, not H. Paul ___ 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] MD2 element question
Paul, I strongly believe the same element was used in all the Elecraft mics when Heil was building them, and was referred to as the 'Heil Optimized Condenser Element for the K2'. In any case it is an electret type. All the Elecraft MD2 microphones currently existing were made by Heil. It is a very nice microphone and I would not give mine up without a LOT of 'encouragement'. Now that the MH2 is being sourced by Elecraft, and the MD2 is no longer available. The MH2 still uses a similar electret type element. 73, Don W3FPR [EMAIL PROTECTED] wrote: I have a Proset (from Elecraft) with the included Kenwood adapter and it works fine with the K3. Anyone know what kind of mic element is inside the Elecraft/Heil MD2 Desk Microphone? ___ 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] Imminent new K3 firmware will require Version 1.1.4.1 of K3 Utility
A new K3 firmware revision is going to be published in the very near future. In order to install this new firmware in your K3, you must use the current version of the K3 Utility, version 1.1.4.1, which is available on the Elecraft web site at http://www.elecraft.com/K3/k3_software.htm Earlier versions of the K3 Utility may NOT be used to load the new firmware. There is a new Front Panel Flash (FPF) loader required to load a new Front Panel Flash file that will be part of the new firmware. K3 Utility Version 1.1.4.1 retains the ability to install earlier K3 firmware versions. You may determine the version of your K3 Utility by viewing the About K3 Utility Help menu item. 73 de Dick, K6KR ___ 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 - Linking the VFOs for CW - SSB switching
Like a few other VHF and up types I'm patiently waiting for the Auto CW capability on the K3, where it sends on CW if you press the key and on SSB if you use the Mic PTT, with a frequency offset between the two equal to the sidetone frequency. I have found a useful work around for now is to link the two VFOs with an offset equal to the sidetone pitch, with the higher frequency one set to CW REV and the lower on USB. Toggling the VFO A/B button then gives instant changeover from SSB to CW without having to retune. I hope to give this a work out in the European VHF/UHF/SHF contest this weekend. 73 John G3XDY K2 #4713 K3 #689 ___ 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 TCXO calibration
Thanks to all who responded! Problem solved, K3 running (10W) 73's, Evert PA2KW -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Evert Bakker (PA2KW) Sent: Thursday, May 01, 2008 13:10 To: 'Elecraft Reflector' Subject: [Elecraft] K3 TCXO calibration ___ 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 #820 arrives in Alma, MI.
To All on the LIst: K3 #820 (kit) arrived at my home in Alma, Michigan, today (May 1). I placed my order last November 2 and received my Katiegram in mid-April. Because I was away from home at the time, I asked to have shipping temporarily delayed. Now doing the parts inventory. 73, John, no8v ___ 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 delivery confusion
Okay, I just don't get it. DJ8ZJ sez he ordered on Nov 26 and got SN 800 KG4LCF sez he ordered on Nov 18 and got SN 799 Huh? de Doug KR2Q ___ 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] Squelch
Thanks, Joe - for looking this up for me. We must have different editions of the K2 manual - info is on page 103 of mine. I swear, however, that I looked there. I must have turned two pages and skipped over it. Anyway, I've learned something new today. Thanks. Have a good one, 73, Tom KJ3D -Original Message- From: Joe Planisky [mailto:[EMAIL PROTECTED] Sent: Wednesday, April 30, 2008 11:14 PM To: KJ3D Cc: Elecraft@mailman.qth.net Subject: Re: [Elecraft] Squelch Hi Tom, Yes, the K2 has a Squelch feature. It's accessed through the secondary menu (tap MENU, then tap DISPLAY). Squelch (SLCH) is the first item on the secondary menu. See page 100 in the K2 manual. 73, Joe KB8AP On Apr 30, 2008, at 6:54 PM, KJ3D wrote: Hello Group, I recently installed HSE software and ran into an interesting problem. The folks at Callsign Software couldn't provide a solution, so here I am. After the installation, when the K2 was powered up, it would do so with no audio - but otherwise apparently working fine. A touch on the key or PTT switch brought it back to life, but only for 10 seconds). Somehow, the HSE program turned squelch full on on my K2 (ser 4991 with SSB and DSP). I cannot find a reference to squelch anywhere in the Elecraft literature, including how to turn it off. I did get it off, but it required installing HRD and installing all the sliders. One is for squelch and it was full on. Turning it off and exiting the program solved the problem. My question is... What's the story on squelch? Is there one? How does one access it - specifically how do you turn it off if it gets turned on by a third party? TIA, 73, Tom, KJ3D ___ 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 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] KUSB question
Do I need one or can I use the adapter I currently use with my K2? It's one I picked up locally and it works fine with the supplied K2 cable and my laptop. -- View this message in context: http://www.nabble.com/KUSB-question-tp16995092p16995092.html Sent from the Elecraft mailing list archive at Nabble.com. ___ 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] KUSB question
nz0t wrote: Do I need one or can I use the adapter I currently use with my K2? It's one I picked up locally and it works fine with the supplied K2 cable and my laptop. Try it and see if it works. There is nothing unique about the Elecraft one apart from the fact that they have tested it and support it. But yours might work, and might even have the same chipset and use the same drivers. - Julian, G4ILO K3 s/n: 222 K2 s/n: 392 G4ILO's Shack: www.g4ilo.com Zerobeat Ham Forums: www.zerobeat.net/smf -- View this message in context: http://www.nabble.com/KUSB-question-tp16995092p16995109.html Sent from the Elecraft mailing list archive at Nabble.com. ___ 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: Sudden problem on 160M
I have had K3 S/N 611 on the air for over a month with no issues and a ton of fun. However, this week I have run into a strange problem, On the 160M band with CW selected, there are a number of chunks of the band that I can't transmit on. I can transmit on 1808 for example, but when I go to 1810 I get the END message when I try to transmit. Then, 1812 works FB. This goes up the band with perhaps a dozen small segments where I cannot transmit. It appears to be some sort of firmware issue, though I can't be 100% sure. So I guess my first question is whether this warrants a reset or a relaod of the firmware? Anyone run into this before? Thanks, John, WA6L -- View this message in context: http://www.nabble.com/K3%3A-Sudden-problem-on-160M-tp16995266p16995266.html Sent from the Elecraft mailing list archive at Nabble.com. ___ 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] KUSB question
More likely than not it'll work if you've had previous success. The KUSB is tested with every K3 Utility revision, but no USB to Serial Adapter is intentionally excluded. Dick, K6KR -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of nz0t Sent: Thursday, May 01, 2008 3:06 PM To: elecraft@mailman.qth.net Subject: [Elecraft] KUSB question Do I need one or can I use the adapter I currently use with my K2? It's one I picked up locally and it works fine with the supplied K2 cable and my laptop. -- View this message in context: http://www.nabble.com/KUSB-question-tp16995092p16995092.html Sent from the Elecraft mailing list archive at Nabble.com. ___ 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 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] Imminent new K3 firmware will require Version 1.1.4.1 of K3 Utility
I've had a chance to do a quick review of the beta firmware, and even without having the document for it, I've found it to be the most complete firmware to date. About all I found missing was the squelch mode for AM, whereas the control acts as RF Gain. At this stage, that is really picking nits. The K3 seems like a whole new beast, especially if you have a roofing filter 2.7 khz installed. Tuning through the SSB portion of the band it seems like a different place. I saw it before they went on vacation and it seemed 98% ready to me, but I expect that heading out of town that was not the way they wanted to roll it out. I look for it to be well ready - anytime now. [Elecraft] Imminent new K3 firmware will require Version 1.1.4.1 of K3 Utility Dick Dievendorff dieven at comcast.net Thu May 1 16:41:21 EDT 2008 A new K3 firmware revision is going to be published in the very near future. In order to install this new firmware in your K3, you must use the current version of the K3 Utility, version 1.1.4.1, which is available on the Elecraft web site at http://www.elecraft.com/K3/k3_software.htm Earlier versions of the K3 Utility may NOT be used to load the new firmware. There is a new Front Panel Flash (FPF) loader required to load a new Front Panel Flash file that will be part of the new firmware. K3 Utility Version 1.1.4.1 retains the ability to install earlier K3 firmware versions. You may determine the version of your K3 Utility by viewing the About K3 Utility Help menu item. 73 de Dick, K6KR ___ 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 Use RIT/XIT knob for speed-tuning
I might have missed this handy feature if another K3 owner hadn't shown it to me. That's why I'm bringing it up here. When RIT/XIT is off, it's control can function as a very coarse tuning, to quickly zip around a band. To enjoy this feature, you need to configure it -- See the user's manual, bottom of p. 14. Enjoying! Windy KM5Q K3 #764 PS. Hope to CU in the SSB Net shortly, 7.190 at 0100 See http://www.zerobeat.net/mediawiki/index.php/Main_Page for the net schedule (under User Groups) ___ 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] Sale: KDSP2 and KIO2
Thanks guys both kits are sold. 73 de w5jay/jay.. Hi, I have a KDSP2 and KIO2 surplus to my needs. Both are unbuilt and still in the box or plastic. I would like to get $180 for the KDSP2 and $80 KIO2. Package deal for both $250 shipped. Offers are OK. 73 de w5jay/jay.. Tel: . . . 707-832-4304 ___ 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 Use RIT/XIT knob for speed-tuning
Windy is correct. However . . . this can also be a gotcha. If this feature is enabled and you don't realize it, you can find yourself in another universe awfully fast. After checking into an NTS cw net one night, I sat idly twirling the RIT knob knowing the RIT was off. A minute or two later it suddenly dawned on me that the NCS was no longer transmitting. Moreover, the VFO was displaying a frequency half a megacycle up the band. It took me a half-hour to figure out what had happened. But it IS a wonderful feature if you know what you're doing. Kent K9ZTV KM5Q wrote: I might have missed this handy feature if another K3 owner hadn't shown it to me. That's why I'm bringing it up here. When RIT/XIT is off, it's control can function as a very coarse tuning, to quickly zip around a band. To enjoy this feature, you need to configure it -- See the user's manual, bottom of p. 14. ___ 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: Sudden problem on 160M
I cannot reproduce this on SN443 into a 100 watt dumby load 10 1808, 1810, or 1812. Transmits at 100 watts. Lee - K0WA In our day and age it seems that Common Sense is in short supply. If you don't have any Common Sense - get some Common Sense and use it. If you can't find any Common Sense, ask for help from somebody who has some Common Sense. Is Common Sense divine? ___ 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] What is an FPF file?
There is a new Front Panel Flash (FPF) loader required to load a new Front Panel Flash file that will be part of the new firmware. What is a FPF loader? What does it do? Lee - K0WA In our day and age it seems that Common Sense is in short supply. If you don't have any Common Sense - get some Common Sense and use it. If you can't find any Common Sense, ask for help from somebody who has some Common Sense. Is Common Sense divine? ___ 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] What is an FPF file?
It's a Front Panel Flash memory device that's present on the same Front Panel board that carries the MCU. Wayne has now started to use that memory, offloading some data that used to be in the MCU's memory space to another device. The FPF loader sends a file from your PC to that memory (using a new capability of the MCU). Dick, K6KR -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Lee Buller Sent: Thursday, May 01, 2008 5:37 PM To: Elecraft Reflector Subject: [Elecraft] What is an FPF file? There is a new Front Panel Flash (FPF) loader required to load a new Front Panel Flash file that will be part of the new firmware. What is a FPF loader? What does it do? Lee - K0WA In our day and age it seems that Common Sense is in short supply. If you don't have any Common Sense - get some Common Sense and use it. If you can't find any Common Sense, ask for help from somebody who has some Common Sense. Is Common Sense divine? ___ 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 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] What is an FPF file?
What is a FPF loader? What does it do? The K3 has a large chunk of Flash memory on the Front Panel board, hence the term Front Panel Flash (FPF). The new K3 Utility is able to load data into the FPF. The upcoming firmware release makes use of this memory for the first time. Who knows, there may be other gems buried in the hardware that the software will someday exercise :-) 73, Lyle KK7P ___ 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 Proset Question
The proset as currently supplied has the Heil electret element which: (a) requires a source of bias via a dropping resistor (see the SSB manual), and, (b) has greater output than the Heil HC-4 and HC-5 dynamic elements. I mounted HC-4 and a HC-5 elements within an old Shure 444D stand (element selectable via a miniature DPDT switch mounted through the top of the mike head) and managed to fit a one transistor preamp in the base. Circuit for preamp is on the Elecraft site. Seems to work OK. 73 Kevin VK3DAP / ZL2DAP ___ 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] K3/100 peak vs average RF power output tests
After reading several posts expressing concern about low K3 RF power output, I decided to run some tests on my own K3. Equipment used: K3/100 #0224 (2.7khz stock filter) with current MCU and DSP firmware (1.78 / 1.58); Telepost LP-100 digital vector wattmeter; Telepost LP-200 dummy load wattmeter; MFJ-872 peak/average wattmeter; Daiwa CN620B wattmeter (average reading); Elecraft 2T-gen; high quality non-reactive RF dummy load. No antennas. K3 ATU bypassed. The K3 was set to request 100 watts output on 14.250 Mhz USB. The 2T-gen was connected to the front mic input and mic gain adjusted to a value of 20. This resulted in 5 bars of ALC. Compression was set to an arbitrary (and low) value of 10. Results, LP-100 wattmeter: peak power measured 97.6 watts (averaged over 5 measurements). Set to measure average power, the LP-100 repeatedly measured about 60 watts output. Results, LP-200 dummy load wattmeter: 99-100 peak watts reported over 5 measurments. Results, MFJ-872 Peak/Average wattmeter: 'Peak' reading on analog scale - 85 watts. 'Average' reading on analog scale - 55 watts. Results, Daiwa CN620B average-reading wattmeter: 40 watts per analog scale. While the LP-100 and 200 were in close agreement, keep in mind that I calibrated them myself against a nominal 25 RF peak watts as determined by an accurate oscilloscope. The other two instruments reported somewhat disparate power values compared to the LP-100/200 and one another. I'm not drawing any definite conclusions from these results; I'm simply reporting them out in the event some readers might find them helpful or interesting. 73, Bill, WA4KBD -- View this message in context: http://www.nabble.com/K3-100-peak-vs-average-RF-power-output-tests-tp16996450p16996450.html Sent from the Elecraft mailing list archive at Nabble.com. ___ 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] simple iambic paddle
http://electronicsusa.com/mk.html These look like they are made pretty simple. I have a couple of them, never used them much because my hands are too big and there is no weight to them. But it would work fine for most folks. Especially if velcroed or screwed to a board. Dave Wilburn K4DGW K2/100 - S/N 5982 K3/100 - S/N 766 For those who fought for it, freedom has a flavor the protected will never know. Brian Lloyd wrote: Knowing the penchant for CW that many of you have, I thought I would ask the following question here. Does anyone have a design for a very simple iambic key that can be made with simple materials and hand tools? The kids are starting to send CW and I am finding they are having a LOT of trouble with a straight key. Most immediately gravitate to the bencher so I am trying to find a way to make a $5 paddle. Brian Lloyd Granite Bay Montessori School 9330 Sierra College Bl brian AT gbmontessori DOT com Roseville, CA 95661 +1.916.367.2131 (voice)+1.791.912.8170 (fax) PGP key ID: 12095C52A32A1B6C PGP key fingerprint: 3B1D BA11 4913 3254 B6E0 CC09 1209 5C52 A32A 1B6C ___ 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 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 Microphone selection
I too have been wanting a new microphone. I only want a desk microphone (I am absolutely not interested in a mobile mic) and I only want a microphone that has a flat frequency response. One of the benefits of the K3 8-band equalizer is that I can modify the audio spectrum to my desires. Okay I could take some non-flat response and accommodate, but why do that. I won't go there. I think what I want rules out most Heil communication microphones. I probably need a studio microphone with push to talk. I have an external PTT switch so the PTT feature isn't absolutely critical. So now I am looking for a quality affordable flat frequency response desk microphone with PTT if there is one. Given these constraints are there some affordable microphones out there. Of course it would be nice if I didn't have an interface problem but I know how to use a soldering iron. Mike Scott AE6WA Tarzana, CA K3/100 SN508 ___ 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] K3/100 peak vs average RF power
Hi Bill, Interesting stuff! I've seen more than one PEP meter that is deadly accurate on calibration with either CW or SSB, but not both or the other way around. Also the frequency response of the tone/tones used to cal the meter with are much different than say speech or CW. Even a mic with a lot of bass response compared to one that has little or no bass response will affect PEP meter readings. Ditto on AM transmitters with good and not so good frequency response. I tore into a few PEP meters to have a look and see, most are loaded with electrolytic capacitors that age fairly quickly that will affect PEP readings, even the meter movement itself affects how things work on PEP. After testing a few meters, I just use the ones the look cool, but keep the scope in line for serious PEP work! In the end, I don't worry so much with meters except for solid carriers. They do look nice having that wide PEP swing. :-) Just some more things to ponder. 73 de w5jay/jay.. After reading several posts expressing concern about low K3 RF power output, I decided to run some tests on my own K3. Equipment used: K3/100 #0224 (2.7khz stock filter) with current MCU and DSP firmware (1.78 / 1.58); Telepost LP-100 digital vector wattmeter; Telepost LP-200 dummy load wattmeter; MFJ-872 peak/average wattmeter; Daiwa CN620B wattmeter (average reading); Elecraft 2T-gen; high quality non-reactive RF dummy load. No antennas. K3 ATU bypassed. The K3 was set to request 100 watts output on 14.250 Mhz USB. The 2T-gen was connected to the front mic input and mic gain adjusted to a value of 20. This resulted in 5 bars of ALC. Compression was set to an arbitrary (and low) value of 10. Results, LP-100 wattmeter: peak power measured 97.6 watts (averaged over 5 measurements). Set to measure average power, the LP-100 repeatedly measured about 60 watts output. Results, LP-200 dummy load wattmeter: 99-100 peak watts reported over 5 measurments. Results, MFJ-872 Peak/Average wattmeter: 'Peak' reading on analog scale - 85 watts. 'Average' reading on analog scale - 55 watts. Results, Daiwa CN620B average-reading wattmeter: 40 watts per analog scale. While the LP-100 and 200 were in close agreement, keep in mind that I calibrated them myself against a nominal 25 RF peak watts as determined by an accurate oscilloscope. The other two instruments reported somewhat disparate power values compared to the LP-100/200 and one another. I'm not drawing any definite conclusions from these results; I'm simply reporting them out in the event some readers might find them helpful or interesting. 73, Bill, WA4KBD -- View this message in context: http://www.nabble.com/K3-100-peak-vs-average-RF-power-output-tests-tp16996450p16996450.html Sent from the Elecraft mailing list archive at Nabble.com. ___ 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 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] K2 microprocessor
Has anyone besides me had any trouble with the micprocessors in the K2's put out lately by Elecraft. The one in a K2 ordered about two months ago was bad so I ordered another one. It's worse than the first one. My k2 had a minor problem with the first one, now it has a major problem with the new one. The rig was working fine except for a couple of minor glitches. With the new one it doesn't work at all. The receiver is totally dead and the transmitter puts out about one watt max. Where do I go from here? Scott N5SM ___ 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] Heil K2 Proset with K3
Ok Folks, As often happens on reflectors, I have totally lost the thread on this subject [and I suspect I'm not alone :-) ] although I still have the problem. Please note the details below: K2 Proset purchased with K3 came with the stock adapter. WITHOUT the adapter, and plugged into the rear jacks, VOX ON, VOX GN=50, ANTIVOX=000, and RPL.bias turned on, it works fine. VOX works fine. PTT works fine. Semi-QSK works fine. QSK works fine [never really liked full QSK]. FPL.bias turned on, gray Proset plug inserted in the mating adapter socket, 8-pin connector inserted into the front panel plug, VOX ON, VOX GN=50, ANTIVOX=000 -- No SSB, no VOX, no PWR OUT. All CW functions work fine. Numbers of folks, including one of the Chief Elecrafters, advise me that the FP config in the paragraph just above this one works for them, leading me to believe that my problem has exactly nothing to do with pins 5 and/or 6 of the 8-pin mic connector. This is further borne out by the word to me that mic bias goes on the audio lead anyway. I have discovered that if I tap XMIT, it goes into transmit but there's still no audio, however tapping XMIT again won't clear it and it stays in transmit. I believe [word from the K3 designers again] that this has something to do with a missing ground on the blocking cap on the front panel, which I have not fixed yet. If fixing that solves my FP audio problem, I'll be sure to let everyone know. Meanwhile, I will use the rear panel connectors which is what I want to do anyway [I think, haven't actually installed the rig at the opr position yet]. Boy, is that receiver great!! 73, Fred K6DGW - Northern California Contest Club - CU in the 2008 Cal QSO Party 4-5 Oct 08 - www.cqp.org ___ 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 microprocessor
At 22:10:02 EDT on Thu 1 May 2008 Scott McDowell (N5SM) wrote ... Has anyone besides me had any trouble with the microprocessors in the K2's put out lately by Elecraft. : : Where do I go from here? -- Hi Scott, The first thing I would do is to inspect the MCU that you removed for any bent under pins. If you find any then that's probably what was wrong with your first MCU. If you don't, then I would remove the new MCU and perform the same check. If you don't find any bent under pins on that one either, then chances are that there's something amiss in the associated circuitry in your K2. It would also be useful to know if the original (old) MCU now performs like the new one does, so next I would reinstall the original MCU. If the original MCU now functions like the newer one, then this would indicate that something in your K2 was disturbed in the process of exchanging MCUs. BTW, you didn't mention but I assume you are referring to the main MCU on the Control board. On fairly slim possibility that comes to mind is that when I was installing CTRL-C21 while building my K2, it actually broke because the leads weren't formed to the spacing of its mounting holes. So you might look for damaged components in the vicinity of the MCU. 73, Gary KI4GGX K2 #4067 ___ 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 Microphone selection
I think what I want rules out most Heil communication microphones. I probably need a studio microphone with push to talk. I have an external PTT ... Well if you want studio microphones, Heil is a possibility, you just need to be on the 'pro' side of the website, and not the 'communications' side of it: http://www.heilsound.com/pro/products/ The PR-40 has a range of 28Hz to 18kHz -- although I don't know what good that does on the amateur bands. Mark AD5SS ___ 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] FURTHER GOTCHA ON RIT COARSE TUNING FEATURE
With respect to the RIT course tuning feature, be advised that a minor software glitch currently exists . . . According to the manual (rev. C1, page 53), the factory default for CONFIG menu VFO OFS should be OFF. According to the scrolling default indicator activated by pressing the DISP button when in the VFO OFS menu, the factory default should be ON. The manual is correct and the contradictory value in the scrolling indicator is being corrected in firmware version 1.81 which is due out any day. If, as I did, you rely on the scrolling default indicator to confirm all of your settings are at factory default (at least initially), you will inadvertently turn ON the RIT knob course-tuning feature which may give you the thrill I experienced below. K9ZTV K9ZTV wrote: Windy is correct. However . . . this can also be a gotcha. If this feature is enabled and you don't realize it, you can find yourself in another universe awfully fast. After checking into an NTS cw net one night, I sat idly twirling the RIT knob knowing the RIT was off. A minute or two later it suddenly dawned on me that the NCS was no longer transmitting. Moreover, the VFO was displaying a frequency half a megacycle up the band. It took me a half-hour to figure out what had happened. But it IS a wonderful feature if you know what you're doing. Kent K9ZTV ___ 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 microprocessor
hi my k2 sno 6436 is not very old apart from a low voltage reg now fixed it worked a ok i would check all your soldering and parts in the correct place good look chris g0wfh k2 6436 k3 114 days to go ^..^ - Original Message - From: Scott McDowell [EMAIL PROTECTED] To: elecraft@mailman.qth.net Sent: Friday, May 02, 2008 3:10 AM Subject: [Elecraft] K2 microprocessor Has anyone besides me had any trouble with the micprocessors in the K2's put out lately by Elecraft. The one in a K2 ordered about two months ago was bad so I ordered another one. It's worse than the first one. My k2 had a minor problem with the first one, now it has a major problem with the new one. The rig was working fine except for a couple of minor glitches. With the new one it doesn't work at all. The receiver is totally dead and the transmitter puts out about one watt max. Where do I go from here? Scott N5SM ___ 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 -- No virus found in this incoming message. Checked by AVG. Version: 7.5.524 / Virus Database: 269.23.7/1409 - Release Date: 01/05/2008 08:39 ___ 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
