[Elecraft] KXV144 maximum RX input power?

2020-11-01 Thread aj4tf
I'm thinking about rearranging some of the 2m antenna cabling (sharing antennas) and I am wondering if there is a maximum input power rating on the KXV144 receiver. 73, David AJ4TF K3S 10669 -- Sent from: http://elecraft.365791.n2.nabble.com

[Elecraft] Field Day @ W4UA

2020-06-29 Thread aj4tf
interesting conditions and lots of stations QRMing each other. We did a little better than last year, but who's counting, since it's not a contest? (yeah, right). Thanks Wayne and Eric, and all of your team, for some really great radios. 73, David AJ4TF K3S 10669, K2 7006, K2 7841 https

Re: [Elecraft] K3 on motorboat.

2020-06-10 Thread aj4tf
K3WIV is the owner. -- Sent from: http://elecraft.365791.n2.nabble.com/ __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This

[Elecraft] [OT] ARRL reverses course on Field Day rules

2020-05-28 Thread aj4tf
http://www.arrl.org/temporary-rule-waivers-for-arrl-field-day-2020 73, David AJ4TF -- Sent from: http://elecraft.365791.n2.nabble.com/ __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http

[Elecraft] K3 2m module

2020-02-15 Thread aj4tf
Link to the K3's 2 meter module is broken on Elecraft web site. Does this mean it is no longer available? David AJ4TF -- Sent from: http://elecraft.365791.n2.nabble.com/ __ Elecraft mailing list Home: http://mailman.qth.net

[Elecraft] K3S/100 - TX current on 20m

2019-11-11 Thread aj4tf
ter". I have already emailed details to supp...@elecraft.com but wondered if there is something I can check in the meantime until they get back to me. 73 David AJ4TF -- Sent from: http://elecraft.365791.n2.nabble.com/ __ Elecraf

Re: [Elecraft] QRP FD KX2 Batteries & FT8 Report

2019-06-26 Thread aj4tf
Bob, I'm curious how you got the RC version to work during Field Day weekend; did you fake the date? -- Sent from: http://elecraft.365791.n2.nabble.com/ __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft

[Elecraft] K2 - KPA100 trim caps

2018-12-02 Thread aj4tf
Working on KPA100 for K2 # 7841; the trim caps provided in the cap bag are yellow and red... the instructions say C1 is white, and C27 is yellow. I didn't see any errata on that section; any guidance would be appreciated. 73, David AJ4TF -- Sent from: http://elecraft.365791.n2.nabble.com

[Elecraft] [K2] K2 # 7841 is working

2018-09-18 Thread aj4tf
another one, so I went ahead and ordered it while we still can. 73, David AJ4TF -- Sent from: http://elecraft.365791.n2.nabble.com/ __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http

Re: [Elecraft] WWV/WWVH Closure

2018-08-19 Thread aj4tf
Since the White House does not control appropriations, it is probably more "appropriate" to contact your representative and senators than to sign a White House petition that doesn't have much chance of getting addressed. 73, David AJ4TF (writing a letter to my Congress members) --

Re: [Elecraft] K3S HI SIGNAL

2018-07-06 Thread aj4tf
Radio is back at Elecraft in que for service. Thanks to all and especially to N6KR. You guys rock. 73, David AJ4TF -- Sent from: http://elecraft.365791.n2.nabble.com/ __ Elecraft mailing list Home: http://mailman.qth.net/mailman

Re: [Elecraft] K3S HI SIGNAL

2018-06-25 Thread aj4tf
Elecraft Service is on the case, the K3S is making the trip back to the mother ship. I forgot to mention, K2 #7006 worked flawlessly as it always does during Field Day. 73, David AJ4TF -- Sent from: http://elecraft.365791.n2.nabble.com

Re: [Elecraft] K3S HI SIGNAL

2018-06-25 Thread aj4tf
Thanks for the inputs on and off list. It appears that during FD we may have had two rigs on the same band inadvertently. I'll be talking with support this week. By the way, I got a personal message from Wayne on this topic. Do you think that would happen with Yacomwood? David AJ4TF Elecraft

[Elecraft] K3S HI SIGNAL

2018-06-24 Thread aj4tf
K3S 10669 suddenly stopped receiving during Field day and displayed HI SIGNAL, even with nothing connected to the antenna. Performed an EE INIT without any effect. Sluggish response to the front panel controls. Any advice? David AJ4TF -- Sent from: http://elecraft.365791.n2.nabble.com

[Elecraft] 2018 Field Day

2018-06-09 Thread aj4tf
What are your Elecraft plans for Field Day? I'll be on the air at W4UA (High Point, NC) with K3S # 10669 and K2 # 7006. The other two stations will be some other "Y" gear... 73 de AJ4TF -- Sent from: http://elecraft.365791.n2.

Re: [Elecraft] Quality Terminal lugs

2018-03-07 Thread aj4tf
No one ever got fired for specifying AMP products. (now TE) https://www.mouser.com/pdfdocs/ENG_DS_82042_StdTermsSplices_0708.pdf de AJ4TF -- Sent from: http://elecraft.365791.n2.nabble.com/ __ Elecraft mailing list Home: http

Re: [Elecraft] KPA100 100% Duty Cycle - Operating Temperature

2017-11-06 Thread aj4tf
b that can be performed in the field with some needle-nose pliers. David AJ4TF K2, K3S -- Sent from: http://elecraft.365791.n2.nabble.com/ __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailm

Re: [Elecraft] Help me choose my first HF rig

2017-04-14 Thread aj4tf
quality and only cry once. :-) David AJ4TF -- View this message in context: http://elecraft.365791.n2.nabble.com/Re-Help-me-choose-my-first-HF-rig-tp7629258p7629282.html Sent from the Elecraft mailing list archive at Nabble.com

[Elecraft] W4UA Field Day - Mostly Elecraft

2016-06-28 Thread aj4tf
and safe Field Day 73, de AJ4TF -- View this message in context: http://elecraft.365791.n2.nabble.com/W4UA-Field-Day-Mostly-Elecraft-tp7619363.html Sent from the Elecraft mailing list archive at Nabble.com. __ Elecraft mailing list

Re: [Elecraft] Tx Gain Cal failed - FIXED

2016-02-19 Thread aj4tf
, David AJ4TF -- View this message in context: http://elecraft.365791.n2.nabble.com/Tx-Gain-Cal-failed-tp7614318p7614350.html Sent from the Elecraft mailing list archive at Nabble.com. __ Elecraft mailing list Home: http

[Elecraft] Tx Gain Cal failed

2016-02-19 Thread aj4tf
r, however, does not seem to be moving, it is pretty stable. Reported SWR is 1.1 : 1. This radio does not have the KAT3 in it. The 100W amp is not yet installed. Firmware: MCU 5.38; FPF 1.25; DSP 2.86 Any advice would be appreciated. Thank you, David AJ4TF -- View this message in cont

Re: [Elecraft] Happy Holidays from Elecraft

2015-12-25 Thread aj4tf
Thank you, and all the best to the Elecraft team and their familes. 73, David AJ4TF K2 # 7006 (with 2016 plans for a K3S) -- View this message in context: http://elecraft.365791.n2.nabble.com/Happy-Holidays-from-Elecraft-tp7611797p7611829.html Sent from the Elecraft mailing list archive

Re: [Elecraft] K2 calibration questions

2015-08-23 Thread aj4tf
mine is!). Thanks for all you contribute to this forum! 73, David AJ4TF High Point, NC K2 # 7006 -- View this message in context: http://elecraft.365791.n2.nabble.com/K2-calibration-questions-tp7606638p7606670.html Sent from the Elecraft mailing list archive at Nabble.com

Re: [Elecraft] normal K3 voltage drop on TX

2015-08-22 Thread aj4tf
will be no higher than that of a soldered connection. The TE/Amp PROIII hand crimp tool is $213 at Digikey...The Amphenol hex die crimper for RG-8, RG213, etc. is $112. But, soldered connections are fine for a ham shack. de AJ4TF -- View this message in context: http://elecraft.365791.n2

Re: [Elecraft] Need local help

2015-06-09 Thread aj4tf
If you're talking about the Winbook TW700, it does indeed have a mic input. The audio jack is a 4-pin TRRS (tip-ring-ring-sleeve) with the same pinout as an iPad. I built a home brew cable set and interface and successfully made contacts using the Winbook, FLDIGI, and my K2. de AJ4TF

[Elecraft] K2 + Field Day

2014-11-15 Thread aj4tf
Looks like our small, insignificant, High Point (North Carolina) Amateur Radio Club (W4UA) made the top 20 in our category. A few guys, a few radios, including K2 #7006, and a few pieces of wire are #13 in the 3A Commercial category. 73, de AJ4TF -- View this message in context: http

Re: [Elecraft] K3 and VB6

2014-10-13 Thread aj4tf
My experience with a dual-boot computer (Fedora 9 and Windoze XP) with a relay toggled by the RTS line: Windoze fiddles with the RTS line while booting, Fedora 9 doesn't. de AJ4TF -- View this message in context: http://elecraft.365791.n2.nabble.com/K3-and-VB6-tp7593796p7593833.html Sent

Re: [Elecraft] [K2] Safely running 100% key-down modes

2013-12-29 Thread aj4tf
Second that on the muffin fan. I have one sitting on top of the KPA100 heatsink, and when running 50-60 watts in long duty cycle modes (i.e. RTTY), very seldom does the internal KPA100 fan ever need to activate. 73, de AJ4TF -- View this message in context: http://elecraft.365791.n2

Re: [Elecraft] Help with digital modes please

2013-10-27 Thread aj4tf
with fldigi... when you have them both running and you click the 'log' button on fldigi, xlog captures the QSO. 73, hope to see you on the waterfall soon, David AJ4TF K2/100 # 7006 -- View this message in context: http://elecraft.365791.n2.nabble.com/Help-with-digital-modes-please

Re: [Elecraft] KX3 2-m module -- whip antenna support, etc.

2013-10-26 Thread aj4tf
a bit slower, and I find it acceptable. 73, David AJ4TF -- View this message in context: http://elecraft.365791.n2.nabble.com/KX3-2-m-module-whip-antenna-support-etc-tp7580160p7580190.html Sent from the Elecraft mailing list archive at Nabble.com

[Elecraft] thanks Elecraft!

2013-09-20 Thread aj4tf
While I was in the area,I had time to stop at Elecraft HQ today. Lisa and Eric dropped what they were doing to talk to me, and Eric and gave me a great tour of their first-class facility. Thanks Eric and to all of your outstanding people. You guys rock! 73, David AJ4TF K2 7006 -- View

Re: [Elecraft] [OT} Wireless chargers.

2013-09-12 Thread aj4tf
My first thought was phased array. When I found his patent, sure enough, that is what he is doing. http://www.google.com/patents/US8159364 David, AJ4TF K2 7006 -- View this message in context: http://elecraft.365791.n2.nabble.com/Re-OT-Wireless-chargers-tp7578867p7578873.html Sent from

Re: [Elecraft] [OT} Wireless chargers.

2013-09-12 Thread aj4tf
And, just a reminder, just because you get a patent on something doesn't mean it can be made into a practical device that works. And it doesn't mean that someone can't sue you for infringement even if it does work. AJ4TF -- View this message in context: http://elecraft.365791.n2.nabble.com

Re: [Elecraft] [K2] set-up for PSK31

2013-07-19 Thread aj4tf
would do for me. You might try the PSK Reporter website( Google it) which will tell you if your signal is getting out. You could have a multitude of other issues... you didn't say what type of antenna you were using and if there was any info on whether it had worked in the past. 73, David. AJ4TF

[Elecraft] [OT] No one was home on Saturday

2013-06-01 Thread aj4tf
I was in Watsonville on Saturday morning, but no one was home at Elecraft. I hope you were all out enjoying the nice weather! 73, David AJ4TF K2 7006 -- View this message in context: http://elecraft.365791.n2.nabble.com/OT-No-one-was-home-on-Saturday-tp7574653.html Sent from the Elecraft

Re: [Elecraft] Bluetooth and Elecraft Rig Serial Comms

2013-04-13 Thread aj4tf
The MAX232 generates its own RS232 voltage levels from a +5V input. It has two drivers and two receivers on one chip, the receivers are good to +/- 30V. -- View this message in context: http://elecraft.365791.n2.nabble.com/Bluetooth-and-Elecraft-Rig-Serial-Comms-tp7572526p7572546.html Sent

Re: [Elecraft] annoying problem

2013-02-02 Thread aj4tf
the antenna away from the house. 73, de AJ4TF -- View this message in context: http://elecraft.365791.n2.nabble.com/annoying-problem-tp7569472p7569521.html Sent from the Elecraft mailing list archive at Nabble.com. __ Elecraft mailing

[Elecraft] [OT] Re: How Tin-Whiskers Form

2012-12-15 Thread aj4tf
the boards partially (but not completely) mitigates the risk. David AJ4TF -- View this message in context: http://elecraft.365791.n2.nabble.com/How-Tin-Whiskers-Form-tp7566988p7567225.html Sent from the Elecraft mailing list archive at Nabble.com

Re: [Elecraft] PSK31 neophyte needs help please!

2012-11-25 Thread aj4tf
gave a PSK31 presentation to the local club a few months ago, contact me off the list and I will send it to you if you are interested. call sign @ arrl dot net I hope to see you on the waterfall soon, neighbor. 73, David AJ4TF @ EM96xa (High Point, NC) -- View this message in context: http

Re: [Elecraft] K2 #7375 Beginning construction!

2012-10-21 Thread aj4tf
You will enjoy it. If you want to see pictures of the build on K2 #7006, see here: http://sled351a.dyndns.org/images/K2-7006 and, the KPA100: http://sled351a.dyndns.org/images/K2-7006/KPA100/ -- View this message in context:

Re: [Elecraft] K2 diminishing power on 15 to 10 meters

2012-07-22 Thread aj4tf
Yes, it's good. I just got it back together and it appears to be working. -- View this message in context: http://elecraft.365791.n2.nabble.com/K2-diminishing-power-on-15-to-10-meters-tp7559611p7559641.html Sent from the Elecraft mailing list archive at Nabble.com.

Re: [Elecraft] K2/100 - low power 15m only FIXED

2012-07-22 Thread aj4tf
and assistance. 73, David AJ4TF -- View this message in context: http://elecraft.365791.n2.nabble.com/K2-100-low-power-15m-only-tp7558733p7559642.html Sent from the Elecraft mailing list archive at Nabble.com. __ Elecraft mailing list

Re: [Elecraft] K2 diminishing power on 15 to 10 meters

2012-07-21 Thread aj4tf
Interesting, I am working on a KPA100 problem right now. The original problem was reduced output on 15m, but when I disassembled the KPA100, I found a burned trace on the circuit board in the bias current circuit feeding Q4.. which seems unlikely to have caused a problem only on 15m. I plan to

Re: [Elecraft] K2/100 - low power 15m only

2012-07-15 Thread aj4tf
with my finger and it peeled off the board. I can fix the trace with a white wire, but it makes me wonder if I have more than one problem... 73, AJ4TF -- View this message in context: http://elecraft.365791.n2.nabble.com/K2-100-low-power-15m-only-tp7558733p7559187.html Sent from the Elecraft

Re: [Elecraft] K2/100 - low power 15m only

2012-07-07 Thread aj4tf
OK, here is what I can see so far... I visually examined the low pass filter components on the KPA100, between K9 and K10, nothing seems out of the ordinary, nothing cracked, broken, or burned that I can see. I'm not quite ready to remove the PCA and the power transistors from the heatsink

[Elecraft] K2/100 - low power 15m only

2012-07-06 Thread aj4tf
in the KPA100 (10m and 12m) are OK, getting around 95W out at 100W setting. Confirmed with external wattmeter, it agrees with K2's power reading in tune mode. I haven't opened the case up yet, this one has me scratching my head... any ideas out there? AJ4TF -- View this message in context: http

Re: [Elecraft] K2/100 - low power 15m only

2012-07-06 Thread aj4tf
and report what I find (if anything). Thanks, 73, de AJ4TF -- View this message in context: http://elecraft.365791.n2.nabble.com/K2-100-low-power-15m-only-tp7558733p7558739.html Sent from the Elecraft mailing list archive at Nabble.com

[Elecraft] Field Day 2012 with K2-7006

2012-06-24 Thread aj4tf
was really open to California and Texas from our location (NC), we made many contacts there. 73, de AJ4TF -- View this message in context: http://elecraft.365791.n2.nabble.com/Field-Day-2012-with-K2-7006-tp7558060.html Sent from the Elecraft mailing list archive at Nabble.com

Re: [Elecraft] [k2] Poor USB audio after cal

2011-07-25 Thread aj4tf
Cleaning a board in a clean room does not ensure it is free of ionic contamination. Did you use an aqueous cleaner? If so then that is likely to be a problem for you, as the pots and trimmer caps are probably not designed for an aqueous cleaning process. -- View this message in context:

Re: [Elecraft] [k2] Poor USB audio after cal

2011-07-24 Thread aj4tf
used quality solder as recommended by Elecraft, there should be no reason to apply extra flux during construction nor any reason that you would need to clean the board after soldering. Just my $0.02 de AJ4TF -- View this message in context: http://elecraft.365791.n2.nabble.com/k2-Poor-USB-audio

Re: [Elecraft] What have I gotten myself into???

2011-07-17 Thread aj4tf
Don't worry... the instructions are first rate. Don't skip steps, and do them in the order that the instructions say. You can look at build pictures of K2 7006 here: http://sled351a.dyndns.org/images/K2-7006/ and the KPA100 here: http://sled351a.dyndns.org/images/K2-7006/KPA100/ 73, de AJ4TF

[Elecraft] [K2] Field Day Fun

2011-06-26 Thread aj4tf
, then you heard me with K2 # 7006 on the air. Although our group was small, and we won't win any awards for number of contacts made, we had a lot of fun! David AJ4TF -- View this message in context: http://elecraft.365791.n2.nabble.com/K2-Field-Day-Fun-tp6517770p6517770.html Sent from the Elecraft

[Elecraft] [K2] K2/100 lost power control

2011-06-11 Thread aj4tf
I have lost power control on K2/100. RF output goes to full power no matter what the setting. I checked D16/D17 on the KPA100 and they seem to be OK. I'll search the mailing list for some other things to check, but any ideas would be appreciated. david de AJ4TF -- View this message

Re: [Elecraft] [K2]- For sale or trade - KAF2

2011-04-22 Thread aj4tf
KAF2 has been spoken for. David AJ4TF -- View this message in context: http://elecraft.365791.n2.nabble.com/K2-For-sale-or-trade-KAF2-tp6296032p6298709.html Sent from the Elecraft mailing list archive at Nabble.com. __ Elecraft