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
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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
K3WIV is the owner.
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This
http://www.arrl.org/temporary-rule-waivers-for-arrl-field-day-2020
73, David AJ4TF
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Link to the K3's 2 meter module is broken on Elecraft web site. Does this
mean it is no longer available?
David AJ4TF
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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
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Bob, I'm curious how you got the RC version to work during Field Day
weekend; did you fake the date?
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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
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another one, so I went ahead and ordered it while we
still can.
73, David AJ4TF
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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)
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Radio is back at Elecraft in que for service. Thanks to all and especially to
N6KR. You guys rock.
73, David AJ4TF
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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
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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
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
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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
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No one ever got fired for specifying AMP products. (now TE)
https://www.mouser.com/pdfdocs/ENG_DS_82042_StdTermsSplices_0708.pdf
de AJ4TF
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b that can be performed in
the field with some needle-nose pliers.
David AJ4TF
K2, K3S
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quality and only cry once. :-)
David AJ4TF
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and safe Field Day
73, de AJ4TF
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, David AJ4TF
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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
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Thank you, and all the best to the Elecraft team and their familes.
73, David AJ4TF K2 # 7006 (with 2016 plans for a K3S)
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mine
is!).
Thanks for all you contribute to this forum!
73, David AJ4TF High Point, NC K2 # 7006
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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
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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
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
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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
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Sent
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
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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
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a
bit slower, and I find it acceptable.
73, David AJ4TF
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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
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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
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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
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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
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
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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.
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the antenna away from the house.
73, de AJ4TF
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the boards
partially (but not completely) mitigates the risk.
David AJ4TF
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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)
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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/
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Yes, it's good. I just got it back together and it appears to be working.
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and
assistance.
73, David AJ4TF
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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
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
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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
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
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and report what I find (if anything). Thanks,
73, de AJ4TF
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was really open to California and Texas from our location (NC), we made
many contacts there.
73,
de AJ4TF
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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.
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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
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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
, 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
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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
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KAF2 has been spoken for.
David AJ4TF
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