Kristinn:
In answer to a):
Yes, that is correct. Several of us that have built K2's in recent
times have found that the 8V regulator output is low by as much as 0.5
volts. Replacing it should give you a good chance of seeing higher
voltage, and being able to adjust the AGC threshold to
J-F:
Hey, not clumsy at all! That's very classy, and I'd like to duplicate
what you did. I've worked with Bluetooth interfaces before. Could
you tell me more about what you did? Specifically, what model Socket
card did you use, where you pulled off the serial (I assume TTL-level)
Kristinn:
I bought one of these recently, and have really been enjoying it:
http://www.americanmorse.com/portapaddle.htm
You can get it with or without the base. I bought the base, and was
glad I did, but you can mount the paddles on just about anything with
the two mounting holes.
I
It wasn't a KX1, but I recently carried my K2 (including the internal
SLA battery option) in my carry-on bag, and had no problems going
round trip San Francisco/Orlando. Best protocol is to take it out of
your bag and put it in one of the plastic bins, just like you'd do for
a laptop
Randy, K7AGE, has a good YouTube video about how to do this. I've got
the BlueParrot headset and the audio interface also, but haven't had
time to try them out. I ordered both pieces that Randy's video
recommends, and both have fairly easy credit-card ordering from their
websites.
The
Roelof:
Thanks for posting that--I'm going to try it. I haven't been unhappy
with my K2's rx audio, but I would like a bit more low-end response
when listening to some SSB speech. And yes, I do tend to prefer lower
frequency CW pitch, so that would help as well.
73,
Dave K7DAA
You've got it--
1. Turn the K2 off.
2. Hold down the 4, 5, and 6 keys
3. Turn the K2 back on.
The EEPROM will be re-written with the factory defaults for all
settings, which will require that you re-run all of the calibration
functions again.
BTW, it's on Page 106 of the manual.
73,
I fully agree.
One other thing to check is to make sure that any clipped component
leads didn't somehow get attracted to the speaker's magnet, lodging on
the top or bottom of the speaker cone near the center (the voicecoil
area). You'd be surprised at what a common problem this can be for
Finally, relief from my homeowners' association's restriction on
antennas!
Forget verticals and dipoles, I'm going to go bury a 4-el tribander in
my back yard as soon as I find the time! ;-)
73,
Dave K7DAA
http://www.k7daa.com
On Mar 19, 2008, at 11:10 PM, Alan Bloom wrote:
My favorite
I know several others have reported this in recent times, but now it's
my turn! My newly-built K2's external speaker jack just decided to
fail, and while I'm traveling with it to boot! I have a small
external speaker that I plugged into it, so I'm still operational, but
the rig thinks
From my left coast location, I can agree that TX5C is not nearly as
consistently strong as VP6DX was.
I think they've ben dealing with other problems besides the weather.
Just last night on 75m SSB, they were in the middle of (finally)
working North America after taking EU, then VK and
I don't know if anyone will find this interesting or not, but I found
a noisy switcher powering the electric blanket in the master bedroom--
several rooms away from the shack, and on the opposite side of the
house from my HF antennas. It's a 4-year-old JC Penney model that
advertises the
I wasn't going to chime in with my $.04 (now equivalent to 2 pence),
but I want to keep the mojo meter tipping in the positive direction
after seeing a few negative comments about the K2 kit-building
experience lately.
I finished building a bare-bones K2 #6390 a couple of weeks ago, and
It ended up on 7185 kHz, due to QRM, I think. I checked in with Roger
about 0235 UTC. I heard quite a few other signals, but all from Texas
and west.
I just checked the freq again, and there's now a fairly strong
broadcast carrier centered exactly on 7185.
73,
Dave K7DAA
I have been extremely happy with the Pacific Antennas PAC-12 mini
vertical. It's a kit that's easy to build, very light, breaks down to
a very small bundle 12 inches long, and it's been very efficient. I
worked VP6DX on 3 bands with it! Price is right as well. Easy enough
to buy one
Time to go big time with an offshore production line!? Maybe Yaesu/
Motorola will subcontract it for them!
I'm kidding...just kidding...;-)
73,
Dave K7DAA
http://www.k7daa.com
On Feb 29, 2008, at 11:54 AM, Ron D'Eau Claire wrote:
The quickly-becoming-famous quote by the Ducie Dxpedition
I don't mean to turn this into the Elecraft DX cluster, but for those
that are anticipating the next interesting DXpedition--Clipperton
Atoll, that team is in the contest on 40 meter SSB on 7.228 with 100
watts from their ship, enroute to Clipperton. They are using the call
FO5A. When
not
hurt to listen for a while.
Instead of crying wolf, does that make me the boy that cried, DX!?
Sorry,
Dave K7DAA
http://www.k7daa.com
On Feb 29, 2008, at 9:23 PM, Dave Andrus wrote:
I don't mean to turn this into the Elecraft DX cluster, but for
those that are anticipating the next interesting
Al:
You have my sympathies! Only a few have it worse--somebody should
also look up K5NN and ask him how he feels about it!
Nope, don't know him. ;-)
73,
Dave K7DAA
http://www.k7daa.com
On Feb 27, 2008, at 8:05 PM, [EMAIL PROTECTED] wrote:
In a message dated 2/27/2008 2:32:05 P.M.
What also doesn't get much weight, at least for me, are the bad eHam
reviews that are themselves bad.
They often show the reviewer has poor command of such things as, say,
the english language, his keyboard (love those all caps reviews!),
his emotions, etc. Far too many of these:
It
Ed:
Back in the waning days of the Vietnam conflict, I was flying C-130
aircraft (not as a pilot--but I wish I could've!). When doing the
long, boring rides over the Pacific from the Philippines or Hawaii,
I'd go up and sit with the pilots and crew chief occasionally.
Sometimes I'd
I'd pretty much agree. Keep in mind, though, that a dual-core or quad-
core CPU, whether it's Intel or AMD, is not often going to help you
with much of the software out there that is not specifically written
to take advantage of both cores.
That's not to say that I wouldn't buy one--in
drives are very common.
One of the new products we just designed at Apple includes a 1 TB
drive, just for backups!
73,
Dave K7DAA
http://www.k7daa.com
On Feb 23, 2008, at 4:02 PM, Dave Andrus wrote:
I'd pretty much agree. Keep in mind, though, that a dual-core or
quad-core CPU, whether
There is another very good reason for split operation, and I've seen
the VP6DX ops doing this successfully as well.
With, for example, the 20-, 40- and 75/80-meter allocations being
different for hams in the various parts of the world, it's not unusual
at all to see the DX station calling
Steve's kit, called the MMR-40 transceiver, is already available as a
kit at http://www.qrpkits.com through Doug Hendricks.
I'm putting mine together right now! BTW, you can peruse the site,
download the builder's manual, schematic, etc. Nice design. The kit
is more than the $50 limit,
DW:
The exact thing happened to me. Elecraft tech support suggested
measuring the output of the 8-volt regulator. Mine was 7.56 volts.
Replaced it, even though that isn't considered bad by the mfr's
specs, and then I could easily set mine to 3.80 volts. Interestingly,
the replacement
I'm interested in using portable end-fed halfwave antennas when I'm
out camping. I have a Norcal BLT tuner that is a absorptive Z-match
type, suitable for this type of high-impedance tuning and loading.
I'm finishing my build of a K2 right now, just about to add an
internal tuner to it,
Bud:
I've seen the advice, and it's all excellent, but for someone new to
the art, it might still sound just a bit intimidating (remember to do
this, don't forget to do that), so I'll offer my 2 cents just to try
and make it a bit worse!
Remember that it's only mysterious until you've
DW:
First of all, I note from your serial number that Elecraft sold about
22 K2's in roughly the week that separates our two purchases.
Interesting bit of data. I wish them well, and hope that they make
lots of money selling us great radio designs for years to come!
Secondly, I feel
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