If you have a working, unamplified D-104, the solution to this is quite simple.
Back in the 1990s, my transceiver was a TS-830S. I had a pre-citizens band
D-104. These classic microphones were much heavier than the later ones and had
a stamped serial number plate riveted to the head.
The outp
A friend was installing a homebrew, two tower, vertical directional array in
his back yard. His method of placing the copper wire radials below the surface
of the ground was quite unusual. He slowly crept along the ground on his hands
and knees, while pushing a skil-saw, with carbide blade, ag
...”Digging in radials does not interest me. Likewise, catching them
in lawn equipment is also a PIA. So, here is what I have done and it has
worked well”... Tom, WB2KLD”
I did something very similar, many years ago, after hombrewing a 40 meter
vertical. In order to pin the copper wire radial
It appears that MFJ makes a box, designed to convert one brand’s mic connector
to others. It appears to be programmable, using jumpers.
I believe the Foster connectors on the K3 or K3S are wired the same as
Kenwood’s.
The model number is MFJ 1263. I have not used or seen one, so cannot comm
An old friend, who has been inactive for several years, recently purchased a
used K3. This is the first transceiver that he’s owned that includes a built
in keyer. He has always operated CW with a straight key. He has acquired
Vibroplex paddles and wants to know whether to set the radio’s key
A replacement K3S KTCXO3-1 is no longer available from Elecraft. Does anyone
have a stable KTCXO3-1, surplus to their needs, that they would consider
selling?
Even a standard, plus or minus 5 ppm TCXO might possibly be an improvement.
There are also some, alleged, KTCXO3-1 oscillator modules fo
I have a K3S, purchased factory built, February 2019. This included the 1 ppm
TCXO3-1-F option.
A few months later, I noticed that SSB signals heard on 50.125.000 MHz all
sounded a bit off frequency. Hence, I performed a reference oscillator
calibration, using method 2. Because of my relat
Agreed. Much better than I expected. And I never considered attending a
hamfest, virtual or otherwise, to be a competitive sport.
Gary, K0CX
I thought the Expo was excellent overall...couldnt have cared less about trying
to earn points and winning a prize. Grant NQ5T
___
You are in good company with Walter Maxwell, W2DU, now silent key. Maxwell was
an engineer at RCA. He designed the antennas on several earth orbiting
satellites and the antenna on the Lunar Rover. He explained this quite
succinctly in his book Reflections (all three editions), by use of the
A similar concoction is readily available in the U.S. Depending on who
manufactures it, the brand might be Penetrox, NoAlOx or OxGard. It is used by
electricians to enhance aluminum to aluminum and aluminum to copper or brass
electrical connections. Each of these products appears to be a mixt
Stainless hardware is commonly used on FM broadcast antennas. Stainless is a
bit on the gummy side. When tightened, the threads tend to distort and this
can make future disassembly a challenge. Tower crews frequently end up
twisting off nuts or bolt heads when replacing damaged elements. If
Jim K9YC
>>On 4/23/2020 8:38 AM, Gary Peterson wrote:
>>I love patch panels.
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I almost forgot to mention that when making up the patch cables, use colored
heat shrink on both ends of the outside of the coax, adjacent to the
connectors. If there is a jumble of patches, it is much easier to quickly see
what is patched to what.
>I love patch panels. If anyone is planning
I have been following this thread with interest.
Years ago, I designed a patch panel for the ham shack.
Knowing that I sometimes have a propensity to make stupid mistakes, being a
retired broadcast engineer, and being a firm believer in the If anything can go
wrong, it will club, I made the patch
Does anyone have any recommendations for a particular 10 MHz GPS disciplined
oscillator that would work well as an external reference for a K3S? I might
also use a GPSDO as an external time base for my frequency counter. Either
recommendations or products one should avoid would be most appreci
You were very correct about my first number being bogus. I misinterpreted my
notes. I should have been more careful, before posting.
These are the correct REF CAL numbers
As it came from Elecraft, it was set to 49.379.766
July 10 of this year, I changed it to 49.379.448
On November 30, I cha
Last February, I purchased a factory assembled K3S including a 1 ppm TCXO. The
transceiver is serial number 11803 and the firmware was updated on May 5th of
this year.
Last July, I noticed that many of the signals on 50.125 MHz sounded as if they
were a bit off frequency as they were higher pi
Bravo! Standing and applauding.
Gary, KØCX
A relatively new K3s/P3 owner and very satisfied customer.
“It has often been stated, by both Elecraft and our customers, that we leverage
user input as we flesh out new products. In this article I'll clarify our
development model, hopefully elevating
In the past few years, I have thought of a couple of desirable features that
should be fairly easy to implement in a modern transceiver:
First, a “back” or “undo” button, not unlike an Internet browser. Each press
would undo the previous control change. This could eliminate the pregnant
pause
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