Re: [Elecraft] K2 Lo p on 10 12m when its cold outside.

Hello Don, Thanks for your reply. After setting the ATU to CALP 10 and 12m are still dead, the other bands are fine. I do not have the 100W option installed. Ed -- View this message in context:

[Elecraft] K2 Lo p on 10 12m when its cold outside.

I have had my K2 (7109) for 3 years now and I have noticed something about it when it gets cold out. Every year when the temperature falls I lose 10 and 12 meter capability. I have read the posts on this forum with little success in resolving this issue. My K2 sits next to an upstairs window, I

Re: [Elecraft] Lo P on 10 and 12 meters

Problem solved. I did some reading on antennas and come up with a simple solution on the Lo P problem I was having. So I took my K2 parts bag and pulled out some toriods I did not use and made what I think would be called an RF choke. Since I have added this to my ladder line feed point on my

Re: [Elecraft] Don Wilhelm A Special Thank You!

I would also like to add my thanks. Don made the difference on both of my Elecraft projects, a KX1 and a K2/10. His experience guided me through a problem on my K2 and helped me fix it. He also did a great job aligning my K2. I always get good audio from my signal reports. 73's and thanks

Re: [Elecraft] OT: G5RV's and variants

My 2 cents, As a relatively new ham lacking any real world skills with regards to making antenna's, the G5RV has worked for me. I am very limited in time, I am not normally home more than 10 days a month so my spare time is limited. But I still have some time to enjoy the hobby and personally

[Elecraft] Battery Charging

Boeing aircraft provides 110volts but the cycles are 400, not the standard 60. My question is can charging a cellphone or camera battery at the higher cycle cause harm to the battery? 73, Ed k3env -- View this message in context:

Re: [Elecraft] Battery Charging

Thanks guys for your response to my Really OT question. The reason I asked on this forum is because this is where the experts are, not at the Verizon store. Every time I have asked this question at Verizon I get a blank stare which pretty much tells me all I need to know. Sorry for the waste of

[Elecraft] Camping with my K2

Hello, I'm taking my K2 on it's first camping trip over the holiday. I will be in Yosemite National Park around 8400'. I will be call CQ from there on the QRP freq's so I hope that I can add some new call signs to my log book. I will be there until the 8th and calling in the afternoons and

[Elecraft] Running Windows on a MAC

Hello, Recently I have had the need to run windows on my MAC. I'm using Parallels to run Windows 7. I have been told that I do not need Anti Virus software on the windows side since I already use it on the MAC side. Does anyone have any thoughts on this? 73, Ed K3ENV -- View this message in

[Elecraft] KBT2 installation question

Page 8 of the manual states, Set the K2's internal voltmeter switch, S1 ( on the control board ) to the 12v position. S1 is actually on the RF board. I have looked at the parts list and schematic pages for the control board and have not found another S1 switch. Is this in reference to the main

[Elecraft] G5RV

Good morning, Well I just finished hanging my new G5RV yesterday and I have already had some impressive results when comparing my long wire to the G5RV. After I first connected the antenna to my K2 (7109 ) I thought something was wrong. Then I figured out the I'm not hearing the noise that the

Re: [Elecraft] SSB QRP

Hello Ron, Here's my two cents. I have been using a K2 at 10 watts. I know that's just a bit above QRP technically but I have had some great results. I'm using a long wire antenna so far and getting ready to hang the new G5RV when I get home, but depending on conditions I have been able to reach

Re: [Elecraft] Lo P on 10 and 12 meters

Hello Don, Thanks for your advice. One thing I have noticed is that when I have the Lo P on 10 and 12m, if I go to 15m and cycle through the inductors and capacitors in the ATU menu it solves the problem. Go figure. So thanks again, and when it dries out and warms up a little I might get

[Elecraft] Lo P on 10 and 12 meters

Hello, Once again I'm getting a Lo P message when I try to tune on 10 and 12 meters. Last month all was well but after coming home this month and selecting 12 meters I noticed it was quite, not the s meter reading I expected, 10 meters was also quite. I tried tuning, using AUTO and ALT, and got

Re: [Elecraft] Lo P on 10 and 12 meters

Some how I think I solved this issue. What I did was I selected the individual inductors and capacitors in the ATU menu and tuned each one on 10 meters. Now 10 and 12 meters are loud with good power on the bands. 73's Ed KE7HGA -- View this message in context:

Re: [Elecraft] It's ALIVE!!! ...And a quick alignment question...

Hello David, Great news on your K2. I just finished mine a couple of months ago with a couple of minor problems which I needed help getting fixed. I just got it back earlier this month and have been having a lot of fun with this great little rig. I was tuning around 10 meters and heard a

[Elecraft] K2 #7109 is finally on the air

Hello all, After nearly 8 months of work I finally got on the air this morning. I made 2 SSB contactas on 40m. The first was with WB3FIE and he gave me a 57 and then on the same qso I got another report from VA3ZW, he gave me a 56 report. Both stations said the audio quality was very good and

[Elecraft] KAT2 Bridge null adjustment

Hello, When I adjust C55 I initially get a high current message that last for a second, followed by a fluctuating power indication. The lowest I can adjust c55 down to is 1.7 volts. So what have I missed. Thanks in advance. 73, Ed ke7hga -- View this message in context:

Re: [Elecraft] KAT2 Bridge null adjustment

Thanks Don I will start looking into those areas. 73, Ed ke7hga -- View this message in context: http://elecraft.365791.n2.nabble.com/KAT2-Bridge-null-adjustment-tp6683608p6683673.html Sent from the Elecraft mailing list archive at Nabble.com.

Re: [Elecraft] KAT2 Bridge null adjustment

Don I was using a cable to connect my Dummy load to the tuner. So I decided to see if maybe the connection could be bad so I connected the tuner directly to the #1 antenna jack and that was it. Now I have a steady power ready of 3.0 volts. Thanks again. 73, Ed ke7hga -- View this message in

Re: [Elecraft] KAT2 Bridge null adjustment

Don, I just realized that I had done the Bridge null adjustment with R6 installed. So should I remove it and start over? 73, Ed ke7hga -- View this message in context: http://elecraft.365791.n2.nabble.com/KAT2-Bridge-null-adjustment-tp6683608p6683878.html Sent from the Elecraft mailing list

Re: [Elecraft] KAT2 Bridge null adjustment

Okay Don thanks again. I did not indicate any voltage during receive. I think I'm going to wait until I get some sort of watt meter before I continue. But I'm off to work so that will have to wait until next month. 73, Ed ke7hga -- View this message in context:

Re: [Elecraft] KAT2 Bridge null adjustment

Thanks Don, I will give that a try. Should I use the RF probe that I made or just use the DMM probes? 73, Ed ke7hga -- View this message in context: http://elecraft.365791.n2.nabble.com/KAT2-Bridge-null-adjustment-tp6683608p6684038.html Sent from the Elecraft mailing list archive at

Re: [Elecraft] KAT2 Bridge null adjustment

Don, When I use the DMM and measure the Voltage across I am only getting 6.0 volts. When I plug that into P=V*V/R I get .72volts. I have also noticed that when I push TUNE I sometime see a fluctuating power indication and other times I see 2.4f 0.0r. So what should I be looking at to adjust

Re: [Elecraft] KAT2 Bridge null adjustment

Sorry Don, I was using the DMM leads and not the RF probe to read the voltage on the DL1 measuring 6 volts. Thanks again Don, Ed -- View this message in context: http://elecraft.365791.n2.nabble.com/KAT2-Bridge-null-adjustment-tp6683608p6684272.html Sent from the Elecraft mailing list archive

Re: [Elecraft] I don't think I'm getting out

Don, Thanks for the information. I will follow your advice. I know the wire antenna is not the best but for the time being it's all I can come up with. I also think I will go ahead and install the KAT2 since it is complete and ready for installation and would solve some of my impedance issues.

[Elecraft] I don't think I'm getting out

Hello, I think I might have a problem with K2 7109. I arranged to call another K2 owner on 40 meters and was not heard, additionally I did not receive his call. So I'm not sure if it was propagation or my radio. What makes me wonder is I have called on the SKCC Elmer frequencies with no

Re: [Elecraft] I don't think I'm getting out

Hello Mike, The station I was trying to contact is 425 miles to the Northwest of my location. 40m propagation seemed good, I was receiving other stations on 40m. I'm using a long wire for now and was putting 3 watts out according to the power reading. I don't have a watt meter but MFJ has a QRP

Re: [Elecraft] I don't think I'm getting out

Don, I do have the Elecraft dummy load so I will look into that. I will also try going to 10 watts and work down. I don't have an antenna analyzer at this time, sounds like something else I will need to pick up. I'm using a 32' wire with a 16' counterpose which is hanging out an upstairs

Re: [Elecraft] I don't think I'm getting out

Guy Thanks for the advice. I think I'm getting out okay. I hooked up my MFJ-267 Watt meter dummy load and when I have the power set to 10 watts I'm getting close to 10 watts forward but the reflected is about 5 so that tells me the antenna is the issue. I have a KAT2 ready to install so I

[Elecraft] KAT2 J8

Hello, I'm confused on the construction of J8. First the manual states there are 12 mini crimp pins including 2 spares. J8 has ten pins but I only have 4 wires that come the Control board minus the bare lead. So am I inserting the crimp pins with the wires in one side of J8 and inserting empty

Re: [Elecraft] KAT2 J8

Don, I understand now, thanks. Ed -- View this message in context: http://elecraft.365791.n2.nabble.com/KAT2-J8-tp788p871.html Sent from the Elecraft mailing list archive at Nabble.com. __ Elecraft mailing list Home:

Re: [Elecraft] Flying with K2

Have you considered shipping the battery ahead of time if that is an option. That way it can be waiting for you at your destination when you get there and avoid the stress of losing it to airport security. That is assuming it's not lost in shipping. 73, Ed KE7HGA -- View this message in

[Elecraft] K2 7109

All, Except for the speaker and adding a couple of options I purchased for my K2 I'm proud to say I have finally finished my K2. I would like say thanks to Don W3FPR, Gary AB7MY, Richard AD7FZ and the reflector for all the help I received in finishing my radio, it would never have come together

Re: [Elecraft] VCO Alignment on K2 7109

Hello Don, I have checked the values of c60 and 61 from L30, as well as c96, c95, c94, c93, c92 and c88 from U6 and they are all correct. D21 and D22 are both V149SL. I don't know if you remember but while I was working on phase 2 I had an issue with a mix varactor diodes but that was in the

[Elecraft] VCO Alignment on K2 7109

All, I have mad it to page 64. When I check the volts at R30 using my DMM I get 8 volts. I assume that the left side of R30 would be having the front of the radio facing me so the lead I tested was towards adjacent the side panel. It did drop to 7.5v but at that reading the L30 was at what

Re: [Elecraft] VCO Alignment on K2 7109

a capacitor problem in the VFO Range Select area (ask about that problem specifically). 73, Don W3FPR On 6/4/2011 10:09 PM, EMD wrote: All, I have mad it to page 64. When I check the volts at R30 using my DMM I get 8 volts. I assume that the left side of R30 would be having the front

Re: [Elecraft] VCO Alignment on K2 7109

, check the ends of each band to be certain the voltage is within range for all bands. If it is not, you may have a capacitor problem in the VFO Range Select area (ask about that problem specifically). 73, Don W3FPR On 6/4/2011 10:09 PM, EMD wrote: All, I have mad it to page 64

Re: [Elecraft] VCO Alignment on K2 7109

that problem specifically). 73, Don W3FPR On 6/4/2011 10:09 PM, EMD wrote: All, I have mad it to page 64. When I check the volts at R30 using my DMM I get 8 volts. I assume that the left side of R30 would be having the front of the radio facing me so the lead I tested was towards

[Elecraft] K2 7109 Progress report

All I just finished the 2nd phase of the build. I plugged the power supply in, turned it on and failed to smell smoke so I opened my eyes and there it was waiting for me to do something, wow. The 4MHz Oscillator calibration came in at 12099.08 kHz. The PLL Reference oscillator range test came

Re: [Elecraft] K2 7109 Progress report

I hope your having as much fun building your as I am building mine. I will have to put it away for a while. I will be working and not home until the 5th of next month so you will be well ahead of me by then, so post your progress and I will do the same. 73, Ed KE7HGA -- View this message in

[Elecraft] K2 Inductor identification question

All I have identified all the inductors from the parts list with the exception of 2. The first is what I believe to be L5. L5, I think, is a green bodied inductor that looks like brown brown black. So I'm wondering if the brown is actually orange due to the printing on a green back ground.

Re: [Elecraft] K2 Inductor identification question

Thanks for the info Wayne. As you know it's a lot easier to put the correct part in the first time. ;-) 73, Ed KE7HGA -- View this message in context: http://elecraft.365791.n2.nabble.com/K2-Inductor-identification-question-tp6340883p6341003.html Sent from the Elecraft mailing list archive at

[Elecraft] Varactor Diodes on the K2 RF board

I have noticed that I seem to have 2 different types of the 1SV149 Varactor Diodes. I have a mix of V1498M and a slightly thicker bodied V149SL. Is there a difference in these 2 components? I have already installed a mix. I think what happened is when I ordered my K2 I got an email indicating

Re: [Elecraft] PLL upgrade board on K2 7109

Okay I'm getting ready to install the PLL upgrade board and it looks to me like this has the potential of being a problem. I have test fit the Thermistor PC board and I can see why the instructions call for the board to lean slightly towards U6. The problem I see is the position of RFC14 and the

[Elecraft] PLL upgrade board on K2 7109

I think I created a solder bridge between the 1/8W resistor RB and the 3rd pad under the resistor, on the PLL upgrade board. I have tried to wick up the excess solder but I still cannot determine if this is okay or that the 2 pads should be separate. 73, Ed KE7HGA -- View this message in

[Elecraft] K2 7109 initial power on test

Well I'm happy to say that the initial power on test went well. I have only finished up to page 44 where it says RF Probe assembly, but I was happy to see that it everything worked as advertised. I have to say that I'm delighted that I did not smell smoke or had any other problems sending me to

[Elecraft] Front Panel question

Hello all, I have a couple of questions on the K2 front panel assembly . First, is it necessary to solder the clips that hold the potentiometers to the PC board. Second, I'm getting ready to install J1 and I noticed that pin 1 on the PC board has a round pad, but I did not notice any difference

Re: [Elecraft] Front Panel question

Hello My K2 kit seems to missing the spacers used to install the diffuser. I have looked through the part bags but have not found them. Any ideas where they might be hiding? 73, Ed KE7HGA -- View this message in context:

Re: [Elecraft] Front Panel question

I found them:) so never mind but thanks anyhow. 73, Ed KE7HGA -- View this message in context: http://elecraft.365791.n2.nabble.com/Front-Panel-question-tp6095423p6095761.html Sent from the Elecraft mailing list archive at Nabble.com.

Re: [Elecraft] Front Panel question

Thanks Don, I figured I was missing something somewhere so I went back to the part of the manual where I used that spacing tool and figured it out from there. I do have another question on the diffuser. I did not remove backing on either side of the it. It looks like the LCD is placed on top

[Elecraft] K2 diffuser backing

I have another question on the K2 front panel. The manual states not to remove the backing from either side of the diffuser. So I take it the LCD is placed on top of the backing material of the diffuser since there is no mention of removing the material. 73, Ed KE7HGA -- View this message in

[Elecraft] K2 Front Board and the Rework mic adapter

Hello again group, I started the Front Board last night. I have the Rework Eliminator Mic Adapter and I was wondering when it is installed in the front panel board. I searched the K2 section but did not find anything that answers my question. It looks like it should be installed in this

[Elecraft] K2 Control Board resistance checks

I have some questions on the results of my check. U6 pin 29 should read between 70 and 90k, I'm reading 96k. U6 pin 30 should read between 70 and 90k, I'm reading 97k. U8 pin 15 and 16 should read 100k, I'm not getting a reading at all so I'm wondering if this is the way my DMM reads infinity.

Re: [Elecraft] Taken the plunge!

into the foam. 73, Don W3FPR On 2/8/2011 2:21 PM, EMD wrote: Elecrafters, Okay K2 #7109 was delivered today. I'm going to take my time and follow as best I can all the excellent advice I have received from many of you on the reflector, starting with a parts inventory. I was thinking

Re: [Elecraft] Taken the plunge!

:21 AM, EMD wrote: Elecrafters, Okay K2 #7109 was delivered today. I'm going to take my time and follow as best I can all the excellent advice I have received from many of you on the reflector, starting with a parts inventory. I was thinking of using the little plastic left over

[Elecraft] K2 Capacitor question

I made it to page 15 of the manual and am installing the capacitors on the Control Board. My question is the capacitor C4, 0.47 (474), if I have identified it correctly, has lead spacing that is wider than the PCB pattern and is a bit larger then any other non- Electrolytic capacitors. It is

Re: [Elecraft] Taken the plunge!

Elecrafters, Okay K2 #7109 was delivered today. I'm going to take my time and follow as best I can all the excellent advice I have received from many of you on the reflector, starting with a parts inventory. I was thinking of using the little plastic left over containers that I have been

[Elecraft] Taken the plunge!

Well I have officially taken the plunge and ordered a K2 today. After much consideration about how to configure my K2 I decided that I will make a QRP version. With an SSB, DSP, internal tuner options. I'm not sure what else I might need. I was thinking about going the 100 watt option but I

Re: [Elecraft] Taken the plunge!

Hello Geoff, Thanks! I have been putting a K2 off for some time now but I am glad that I have ordered one and am looking forward to getting started. It will not be an elaborate set up as far as antenna's go due to local restrictions but I really like the idea of be portable anyway. 73, Ed

[Elecraft] K2 Build ideas and suggestions...

I have decided that I would like to build a QRP K2. With that in mind these are the options that I would like to include in order: KSB2,KAT2,KDSP2,K160RX, and the KIO2. I would like to include the KSB2 and the KAT2 in the initial build. I have limited experience but with the reflectors help

Re: [Elecraft] K2 Build ideas and suggestions...

Found the answer on page 14 of the K2 reflector sight so I have got the answer to my question. Thanks Ed -- View this message in context: http://elecraft.365791.n2.nabble.com/K2-Build-ideas-and-suggestions-tp5621026p5621039.html Sent from the [K2] mailing list archive at Nabble.com.

[Elecraft] KX1 Tuner

Hello, My KX1 has been having problems getting a low SWR. At home I had a long wire strung out the up stairs window getting 1.2:1 to 1.6:1. I took the same wire with me on a trip and now I cannot get the Antenna Tuner to tune. I'm getting 9.9:1 on both 20 and 40m. I'm in Anchorage Alaska and

[Elecraft] My First steps on CW

Hello fellow Elecrafters, I was able to finish building my KX1 with your your help! After spending much more time off the air than I planned I think I'm ready to give CW a try. For more months than I would care to admit I have been learning CW using lcwo, and my MFJ morse tutor. It took me a

Re: [Elecraft] Electronics website

Okay let me try that again. The link to the website is http://www.allaboutcircuits.com/vol_2/index.html All About Circuits 73, Ed KE7HGA -- View this message in context: http://elecraft.365791.n2.nabble.com/Electronics-website-tp5226497p5228139.html Sent from the [OT] mailing list archive

[Elecraft] Electronics website

Hello all, For those of you who struggle with learning electronic theory like I do, I found a great website that does not assume you already have an extensive back ground in electronics. http://http://www.allaboutcircuits.com/vol_1/index.html

Re: [Elecraft] [KX1] KX1 adventure

Wow Monty sounds like a lot of fun in more ways than one. 73, Ed KE7HGA Monty Shultes wrote: Hi all - Just returned from a trip of a lifetime cruise in the eastern Mediterranean Sea. On 3 sea days, with permission from the engineer, I operated from a rear deck with my KX1 and a 25-foot

[Elecraft] [KX1] KX1 power output

Howdy, After a long break, the summer, I finally finished my KX1 #2140. Two rookie mistakes but I finally figured it out. I installed the KXAT1 tuner and had a question on the output power indicated on the RF scale. When I am running on batteries the power output on 20m is 2 bars or if I

Re: [Elecraft] [KX1] KX1 power output

around (but a small number who are unforgiving as well - ignore them, for they should be ignored). 73, Don W3FPR EMD wrote: Howdy, After a long break, the summer, I finally finished my KX1 #2140. Two rookie mistakes but I finally figured it out. I installed the KXAT1 tuner

Re: [Elecraft] [KX1] It's alive, sort of!

Okay I'll be giving it a try. I have never sent cw or used the paddle style keyer so it should be fun. 73, Ed KE7HGA On Oct 31, 2009, at 6:38 PM, 4Z5TO [via Elecraft] wrote: EMD wrote: ...on the air soon, so I can frustrate everyone with my poor morse. Another learning process. 73

Re: [Elecraft] [KX1] It's alive, sort of!

from the bottom of my radio. No big deal it's just not as sleek and pretty. Thanks to all who took the time to give me help with the trouble I had. Going to be a long cold fall and winter so maybe a K2 will get me through it. Well see what Santa brings. 73, Ed KE7HGA EMD wrote: Well

[Elecraft] [KX1] It's alive, sort of!

Well after getting discouraged I decided to take some time off from my KX1 project. After about 3 months I decided to get back at at with a little encouragement from Gary. I was having trouble with the receiver alignment, no signal. I decided to go to the manual and review each step of the

Re: [Elecraft] [KX1] It's alive, sort of!

Hi Mike, That sounds great. I have never sent cw before, but I have been trying to prepare. Now I really need to get up to speed since my radio is nearing completion. Thanks Mike, Ed Doyle KE7HGA Colora MD On Oct 15, 2009, at 8:18 PM, Mike Scott-7 (via Nabble) wrote: Ed, welcome to

[Elecraft] [KX1] KX1 Receiver Alignment

All, I have completed Phase II of construction and have a couple of questions. But first, I have the RF Gain set to full clockwise, Filter full CCW and AF Gain at about the 12 O'clock position. I have a 28' piece wireman 541 wire connected to the red side and a 16' piece of the same wire

Re: [Elecraft] [KX1] KX1 Receiver Alignment

found a peak on both bands, all should be OK. I would initially run with the Bandwidth control at 1/3 to 1/2 clockwise rotation rather than full CCW. The RF Gain at full CW and the AF gain sufficiently advanced to hear something. EMD wrote: All, I have completed Phase II

[Elecraft] KX1 Resistance checks

Well I finished phase II and I have a problem with the resistance checks with U6. Pin 3 should be 10k but I am reading .1 to .2 ohms. The next thing on Pins 1 and 2 are showing 0.F M ohm which I think indicates infinite resistance so I think thats okay? I checked for a cold solder joint and it

Re: [Elecraft] KX1 Resistance checks

from your particular DMM, but you may want to consult the instruction sheet for that DMM. Infinite resistance should appear the same as the reading wihich you obtain with both probes out in thin air, touching nothing. 73, Don W3FPR EMD wrote: Well I finished phase II and I have a problem

Re: [Elecraft] [KX1] KX1 #02140

of the iron under the magnifier you will find it much less stressful making the solder connections. I bought a low cost lighted magnifier from Staples for around $30. It was worth every penny. Fred, KC9QQ EMD wrote: Hello Elecrafters, Well I will start building my KX1 in a few

Re: [Elecraft] [KX1] KX1 #02140

the phase one alignment and there was no where to plug power in. Oops! So it looks like I need to be just a little more careful with phase two. Ed EMD wrote: Hi Don, That's a great idea with L6 the less rework I have to do only increases my chances of success. The soldering station I

Re: [Elecraft] [KX1] KX1 #02140

invisible edge on both the component lead and the solder pad. Insufficient heat and the solder may melt, but not flow resulting in a bad connection, and excess solder can look like a solid connection, but mask a poorly heated solder joint. 73, Don W3FPR 73, Don W3FPR EMD wrote: Hello Elecrafters

[Elecraft] [KX1] KX1 #02140

Hello Elecrafters, Well I will start building my KX1 in a few days. I have been getting the required equipment and being a first time builder I feel a little over whelmed but reading all the the hints and tips on the reflector has made it a lot easier. So far I have what I think will get me