Hello,
Taken from, the http://www.df9ic.de/tech/trxtest/trxtest.html
The Elecraft K2 also has a low IF design using conventional VCOs which should
result in a good LO noise supression but does not. You may compare the ARRL
test results of the LO noise that Elecraft publishes on their own
Hello Samir All,
I'm also puzzled about their test results. But I'm sure it is very difficult to
compare apples with apples in such an environment. I'm afraid that some setups
(HF+transverter or 144Mhz trnscvr) simply have not been used to their full RX
potential. And what is measured on the
If I read it correctly, this 'test report' and comments were for the K2
operated without the transverter, but all the data presented was for testing
with a transverter.
I am not certain of this individual's intent, but it would appear to me that
he was determined to present the K2 in a bad light.
Just completed the K-1 backlight mod; nice addition. I had built the K-1
with silver solder, so approached the mod job with fear and trepidation,
based on comments on this list. Some of the LCD holes cleared OK using
desoldering braid; others refused to clear. Tried a solder sucker without
I had a blast working the 2006 ARRL 10 meter contest with my K2. It is my
favorite contest of the year. Unfortunately I was not able to devote the
entire weekend to working the contest so I had to get little pieces of time
where I could.
Friday evening was exciting as we had QSOs until after
Thanks for continuing to run the nets, Kevin.
On 20 last night I heard nary a peep.
I was in bed very early on account of having had some bad insomnia the night
before, but I got back out of bed at 10 EST to listen on 40. Barely, barely
heard Kevin, and didn't even hear every transmission
Why I put this on the reflector?
I'm in processing to buy transverter, which I will use to begin with ts-850s,
then maybe with K2, which I think is perfect portable combo for VHF
contesting.
After reading this test I was little bit scared and want the Elecraft community
(owners of XV144) to
I just stumbled across an old posting on the Elecraft list from two years ago
where Jules-N2WN mentioned submitting entries into contests as a group of K2
users or Elecraft Rig Users. Tom LA1PHA also expressed an interest.
Some contests require that the club be one where the members reside
I just ordered the XV144 by QRP-Project in Berlin and received it today.
More on this subject later !
73
Luc/F6HJO
- Original Message -
From: Samir Popaja [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Cc: elecraft@mailman.qth.net
Sent: Monday, December 11, 2006 4:18 PM
Subject: SV: [Elecraft]
K2/100 Ser# 04775 the KAT 100
Has Sold.
Dan
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I am thinking about inserting sockets under a couple of the relays on the RF
board, to make it easy to connect some probes or tie in external circuitry
later. Of course this would also make it easier to upgrade or replace them too.
I would think using low profile sockets would not imact the
Graham Haddock wrote:
Based on some of the comments on this email reflector in the last
week, I went hunting for noise this weekend and discovered the worst
offender in the house was the switching wall wart power supply for
my Linksys wireless router. I will replace the wall wart with a
linear
Amazing that those little bitty relays can carry (and isolate) a kw+.
73,
Lenny W2BVH
-- Original message --
From: Ron Castro [EMAIL PROTECTED]
I am one of many folks eagerly awaiting the first shipments of the Elecraft
KPA800 and KPA1500 solid state
Tom,
In a word - NOT RECOMMENDED.
Sockets do not provide connections as good as soldering in place, the
sockets make the RF paths longer which may cause problems, and are another
source for failure. The RF Path lengths would be especially sensitive in
the bandpass filter area of the K2, the
Sounds like a great idea. I've noticed that for some contests I don't have a
valid radio club that I can submit my scores for. If the rules allow for a
non-affiliated club and wide geographical area (and whatever other rules may
apply), I would vote for Elecrafters as a plain and simple name.
Gang,
I've been trying out an antenna arrangement at my QTH that uses a design based
on the IK-STIC 2:
http://hometown.aol.com/realhamradio2/W2IK-ANTENNA.html
My particular version of the IK-STIC 2 eliminates the telescoping fibergass
pole in favor of a simple wire supported at the peak of my
I was there Tom...
I was running the new K2/100 #4455.
NY was non-existent until late Sunday here in Tn, even
VE3's were in short supply. Antarctica (new continent
and DXCC for me) was loud Saturday morning and the
W6/7 pipe was good both days. Never heard EU. ZL was
very strong and a lot of
Hard to beat the standard NEMA boxes for outdoor use, like a NEMA 12, 13
or 14. Not cheap, but weatherproof and easy to find at your local
electrical supply house. Available in galvanized, fiberglass and
stainless steel.
I use one at the base of my Rohn 45 tower to hold the lightning arrestors.
I have K2, serial number 5439 for sale. I built this rig in late spring
and summer of this year. It is in new condition. I have been building kits
for
30+ years including several from Elecraft. The radio was very carefully
built
and it was aligned using Spectrogram.
It puts out full power
I like Elecrafters too.
I don't see any club rules for the ARRL 10M contest so I've resubmitted my
log with the CLUB = Elecrafters.
Hopefully none of the folk at Elecraft will object to use using
Elecrafters for the club name? Eric/Wayne? Any problem with this?
73 de Tom K2TA
- Original
Ok... The robot kicked back Elecrafters as an unknown club. I've submitted
a request to N1ND to ask him to add ELECRAFTERS to the list if it doesn't
violate any rules about having meetings, members living within X distance
of each other etc.
I'll let the list know what they say.
73 de Tom
Hi
I have been given a HP8657B RF generator with option 022 (a GMSK generator).
If anybody is using one of this units, please let me know I have questions
related to it.
Regards
Eduardo/EA2BAJ
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Time to build something new so I offer for sale my K1 s/n 1902.
It is in like-new condition...perfect.not a mark on it.
This K1 covers 40m, 30m 20m 15m with full output on all bands, has the KAT1
antenna tuner and LCD backlight installed along with a finger dimple on the
main tuning knob
Wow! Lots of QRP signals will be flyin' through the air tomorrow
(Tuesday) night! There will be both activity from the QRP Foxhunters as
well as the NAQCCers! I know a lot of you out there are members of both
organizations and will have fun participating in both events. But for
those of you
Hi
Well I have K2 #5846 with all components in the enclosure, but it's
not doing what I hoped for.
Have been trying to align it and this is what I am getting.
80 meters no receive or output.
40 meters 20 watts out and no receive.
30 meters 10 watts out and very weak receive.
20 meters 1 watt out
On Sun, 10 Dec 2006 23:38:35 -0800 (PST), Bernard Gaffney, N8PVZ/QRP wrote:
Hi, Steve,
ummm...I hope all 9 pins aren't connected, as per
the KIO2 manual, some of them can cause damage to PC
or Rig. See pages 12 13 of the KIO2 manual.
Steve...
You need TWO cables.
The special 3-wire
Scott,
Go back to the Receive Bandpass filter alignment in the manual.
Do not attempt transmit until you have peaked the bandpass filters on
receive. If any do not peak, stop and resolve that problem before moving
forward. If all bands do not show a proper peak, then you have a problem in
the
Phil and all,
HRD does allow for the same serial port to be used for both PTT keying (with
its integrated PSK31) and transceiver control, but the hardware
implementation of the interface box may negate Simon's best efforts to make
that possible.
73,
Don W3FPR
-Original Message-
Hi,
With stock construction (with C91, .001uf, C88, 68pf and RC15, 100uh choke
installed) I found instablity in the VCO from about 7175 to 7860 KHZ.
After contacting Elecraft I was told to remove RC15 and replace it with a
wire and shorten the leads of C88. The VCO instablity was still there.
After
I remember when I built my K2 I experienced the WAOF problem on 40 meters.
Gary Surrency at Elecraft suggested that I switch capacitors C70 and C71 with
each other. Make sure the leads are as close to the board as possible. I made
these changes and my WAOF problem no longer existed. Roy
What were your results when completeing each stage of the build?
Were the alignment requirements met at each one of those stages? If they
were, then you should at least have a good receive on each band. I don't
know what would have changed so drastically that you now have no receive at
Hi
Can someone with a K2 tell me the kind and value of capacitor
C75 on the RF board.
All it says about it in my manual is that it is supplied with the
K160RX package, but there are three capicators in that package
they are of two different values.
Thanks
Scott N5SM
Scott,
The information to sort out which is which can be found in the K160RX
manual.
73,
Don W3FPR
-Original Message-
Can someone with a K2 tell me the kind and value of capacitor
C75 on the RF board.
All it says about it in my manual is that it is supplied with the
K160RX
Scott (N5SM) wrote ...
Can someone with a K2 tell me the kind and value of capacitor
C75 on the RF board.
Hi Scott,
RF-C75 is, a 470 pF NPO cap, designation 471.
73,
Gary
KI4GGX
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Hi Group,
I have just set up the review page for W1 in the www.eham.net Please feel
free to add your comments
http://www.eham.net/reviews/detail/6353#54052
73
Johnny Siu VR2XMC
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