I used to do FD with a local club but the CW operation was dominated by
several ops who didn't want anyone to operate who might run at a slower
rate.. About the time I rediscovered QRP I also discovered how much fun FD
can be with just one other CW op. We take turns logging and operating and
Hi Ron,
I agree... and I don't really care about the radiation pattern because my goal
is a super simple antenna that requires only one support, and that I'm
willing to put up after a long, hard day of backpacking- or quickly for a
lunch break on a day hike or paddle.
72,
Bruce
N7CEE
Hi Rick,
I've been usinga 52 ft wire with 50 ft counterpoise on 80. I forget the SWR
now but the KXAT1 tunes it on all four bands.
I grew up in AK- the last four year on Annette Island near Ketchikan.
72,
Bruce
N7CEE
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I ordered a replacement part for my KX1 last Friday, and it came today- snail
mail! Elecraft's most excellent service continues...
73,
Bruce
N7CEE
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On Friday 21 April 2006 04:47 am, Don Wilhelm wrote:
Bruce,
Check the end of L6 closest to the wire you added at trimmer cap CC - L6
should not connect to the trimmer pad, but it is close, so a slight solder
splash will cause a short there.
73,
Don W3FPR
No short there- thanks, Don. It
If you can see the 1 ohm or so difference that represents the resistance of
L6 when measuring from each end of it to ground, you can tell which side the
short is on without lifting one lead: it'll be on the end with the lower
resistance to ground. That will tell you
I found the problem- a solder bridge between pads A and B on the KXB3080
board. Thanks for all the suggestions.
73,
Bruce
N7CEE
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I've been using a 42-foot end-fedwire with two 16 ft counterpoises with the
KX1 and KXAT1 on 40, 30, and 20 m.
I haven't yet had time to experiment with a length that will also tune on 80
m. Has anyone worked out a length that the ATU can handle on all four bands?
73,
Bruce
N7CEE
I thought I found _all_ the problems with my KX3080, but I guess not. THe
receiver is now very insensitive on all bands. It works, but I don't hear an
increase in noise on any band when I connect an antenna. Tracing from the
antenna jack toward the mixer, I get a good increase in noise when I
On Thursday 20 April 2006 06:05 pm, you wrote:
Do you have the jumper installed in the jack next to the BNC?
Yes, the jumper is in place. That's not where I looe the RX signal. It's at
L6.
Also, the TX puts out normal power into a dummy load, so it looks like the low
pass filter part pf the
--
No. You have it right. Those marks on the KX1 PCB are correct for the KXB30
and incorrect for the KXB3080.
I suspect L6 is open. Have you ohmmed it?
You moved L6 to the underside of the KX1 PCB as part of the KXB3080 install.
Is it in the right holes on the bottom?
--
If you can lift one end of L6, you can then tell which side of it the short
is on. Since part of the mod was to install T2, I'd suspect it's somewhere
there. Maybe a short between the turns of the two windings since both the
primary and secondary of T2 have one end at DC
I finished the KXB3080 adapter today. Receive seems OK, but transmit power
into a dummy load is only about 0.2 watts on all bands. (It was about 3 watts
with the KXB30.)
I suspect a short somewhere because Q6 gets hot and TX current drain is above
normal at 850 mA, but I'll be darned if I can
Lee,
After you've installed a toroid, check the resistance across the toroid leads
(all pairs if it's a transformer) at the solder pads. If it's zero, you can
be assured you stripped the leads properly and got a good solder joint on the
board. Since I started doing that, I've never had a bad
I've owned both a K1 and KX1 and I find the receiver performance to be about
the same. For backpacking, the KX1 wins hands down.
72,
Bruce
N7CEE
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I've used a 1.4 watt panel with a ten NiMH AA cell pack with the K1 with great
success. On the other hand, with the KX1 on a backpack trip of a week or more
where weight is critcal, I run it on a set of AA lithium throwaways, and
carry a spare set. Both sets together weigh the same as a single
On Sunday 29 May 2005 06:04 am, john wrote:
I hope we all remember that it is illegal to drive with headsets of
any kind covering BOTH ears, or did I dream that?
Most certainly up to state by state ordinances.
Not that it makes much difference. It's still legal to drive with a stereo
Andy,
They're at
www.azqrp.org/azqrp/
72,
Bruce
N7CEE
Flagstaff, Arizona
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Roland,
Elecraft kit building time definitely qualifies as theraputic sick leave!
Have fun.
72,
Bruce
N7CEE
K2, KX1
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In keeping with my rediscovered interest in flat water kayaking, I plan to
paddle to my operating site on a hill overlooking Blue Ridge Reservoir for
Flight of the Bumblebees tomorrow. Look for Bee 27 on 40, 20, 15, and 10 as
conditions warrant. I'll be running a K2 and 170 foot end feed wire.
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