Dear Fellow Elecrafters,
I am writing to report on my experience with Elecraft support.
My K3 (820) recently developed a perplexing and irritating behavior: as I would
tune in a cw signal, I would come across a frequency very near the CWT center
frequency where the signal’s tone would
Dear Fellow Elecrafters,
I am writing to report on my experience with Elecraft support.
My K3 (820) recently developed a perplexing and irritating behavior: as I would
tune in a cw signal, I would come across a frequency very near the CWT center
frequency where the signal’s tone would
Hi Tom,
Doesn't the Radio Shack 274-375 stereo adapter at $4.50 do the same thing as
your circuit board? See
http://www.radioshack.com/product/index.jsp?productId=2102691
Best wishes and 73,
John, no8v
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Home:
A couple of years ago I decided that I wanted new headphones, so I checked
ratings on eHam and bought a pair that featured a frequency response tailored
for
communications use.
When I tried the new headphones, I found them comfortable to wear, but it soon
became apparent that they
Hi Alan,
Please consider MFJ's 8100K regenerative receiver kit. It provides reasonable
shortwave performance, and its regeneration control can be adjusted for ssb
and cw reception. The radio's open layout makes it a good kit for beginners,
and the $80 price includes a nice case. The kit
I was intrigued by Ron D'Eau Claire's reference to The Nymph and the Lamp, so
I
did a little digging. The book is available used at modest prices from several
sellers, but you also can download a collection of exerpted passages at
http://www.qsl.net/n1ea/Raddall_All_Exerpts.pdf
73,
John, no8v
FD is about how to put several transmitters in a 1000 foot circle
and making it all work. I've never been to a 22A, but I bet that is
interesting on HF.
*
How do they do that?
*
For an excellent documentary about the Conejo Valley AD6T Field Day
Wayne,
Instead of using an intial time delay, why not force the K3 to wait for a
high-to-
low transistion on the key line before it first transmits?
73,
John, no8v
Original message
Date: Fri, 27 Jun 2008 19:51:01 -0700
From: wayne burdick [EMAIL PROTECTED]
Subject: [Elecraft] Re:
Hi Lyle,
Thank you for your explanation of how AFX works; I now better understand how
AFX currently behaves. While listening to cw, I find that increasing DELAY
shifts
the apparent source of a cw signal further to the left, which makes me believe
that AFX delays the right stereo channel.
I have recently begun experimenting with my K3's AFX feature. My understanding
is that AFX is supposed to spread cw signals across a virtual listening space
in
front of the operator (distributed according to pitch?). My experience,
listening
with stereo headphones and with AFX on, is that all
Hi Ken:
I tried to answer your last message about using the 5-V regulator to reduce the
fan speed, but your ISP's firewall (Barracuda Reputation?) repeatedly blocks my
message, so I am letting you know through the Elecraft reflector.
73,
John, no8v
Question for the List:
I recently bought an MFJ-4125 switching power supply to use with my K3/100
transceiver. While otherwise satisfactory, the MFJ-4125 has an objectionably-
noisy fan.
On my MFJ-4125, over half of the fan exhaust openings on the back of the
supply are blocked by the fan's
Question for the list:
On my K3 (SN 820) I have noticed that if I tune to frequencies between the ham
bands (e.g. WWV frequencies), these frequencies then show up when I step the
band switch up and down. Is there a way to delete this out-of-the-ham-band
clutter from the band switch's
of the MV button will do it - both these solutions are easier
than twisting the VFO knob until it is back in the ham band.
73,
Don W3FPR
John H Gibson wrote:
Question for the list:
On my K3 (SN 820) I have noticed that if I tune to frequencies between the ham
bands (e.g. WWV frequencies
As the owner of a new K3 (SN 820), I was looking for a way to protect it while
traveling (by car), so I wrote to Rose Kopp, N7HKW, at [EMAIL PROTECTED],
and she responded by sending me a detailed description of her carrying cases
accompanied by color photographs of different color cases and
I am trying to put my new K3/100 SN 820 on the air for the first time, and I am
having a power output problem. The KPA3 is installed, I hope correctly, but I
cannot adjust the output power above 12 watts. The radio behaves as if the KPA3
was not installed.
I do have CONFIG: PAIO set to NOR.
menu and keep on dialing past the KPIO stuff - Set PA
nor
Gill
John H Gibson wrote:
I am trying to put my new K3/100 SN 820 on the air for the first time, and
I am
having a power output problem. The KPA3 is installed, I hope correctly,
but I
cannot adjust the output power above 12 watts
Hello George,
I had the same problem until I studied the right-hand photograph at the top of
page 37. It instructs you to remove an interfering screw (and put it back later
after
the front panel is mounted). When I did this, the front panel went to place
easily.,
Please let me know if
Hi Dick,
You are absolutely right about quality, fit, and finish. I am building K3 SN
820,
and I agree that Ron's assembly instructions are thorough, clear, and complete.
I had not thought about your assertion that building the radio would instill
pride
of ownership, but I must admit that I
I currently am assembling my new K3 #820 and have reached the step where I
need to mount the VFO A tuning knob. I am unable to advance the knob's set
screw far enough to clamp the knob to the shaft and am considering running a
tap
in and out of the hole to clean up the thread.
Does anyone
Hello Thomas,
I can use the allen wrench to extract the set screw from the VFO A knob. When I
hold the set screw against my 8-32 tap, the threads mesh, and the diameters
appear to be the same.
Even though the set screw thread meshes with that of my 8-32 tap, the set
screw is not long enough
Earlier I wrote:
I currently am assembling my new K3 #820 and have reached the step where I
need to mount the VFO A tuning knob. I am unable to advance the knob's set
screw far enough to clamp the knob to the shaft and am considering running a
tap in and
I should have said I ran into a different problem with the VFO B knob . . .
John, no8v
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To All on the LIst:
K3 #820 (kit) arrived at my home in Alma, Michigan, today (May 1). I placed my
order last November 2 and received my Katiegram in mid-April. Because I was
away from home at the time, I asked to have shipping temporarily delayed.
Now doing the parts inventory.
73,
John,
Hello David,
Chuck Penson's excellent book, HEATHKIT: A GUIDE TO THE AMATEUR RADIO
PRODUCTS, 2nd Ed., lists both the HR-1680 and the HX-1681. According to
Chuck, the HR-1680 was released in the Fall of 1967, but the HX-1681, which
initially was advertised as coming soon, was plagued with
Jim, N2EY, is correct; the 1967 is a typo on my part. Chuck Penson states that
the HR-1680 was released in the Fall of 1976.
Original message
Date: Sat, 6 Oct 2007 15:54:32 EDT
From: [EMAIL PROTECTED]
Subject: Re: [Elecraft] OT - Heath CW Twins
To: [EMAIL PROTECTED], [EMAIL
Mike:
Last week I spotted a neat 4-in-1 miniature screwdriver for sale at the
checkout
counter of the local hardware store. It is about the size of a Sharpie marking
pen
and has a pocket clip. Included are two very small flat-bladed screwdrivers and
two very small Phlllips. The case is a
On the topic of keys, paddles, and bugs, I wonder if members of the list would
tell
me how they keep key contacts clean and reliable. Do you regularly burnish key
contacts? Do you use a chemical cleaner (e.g. de-oxit)? Do you maintain a
minimum keying current? Or do you simply never have a
I just finished reading a book, CRYSTAL CLEAR, by Richard J. Thompson Jr. The
book presents the fascinating history of the World-War-II effort to provide
crystal frequency control for military radios. This was critically important,
because radios without crystal control drifted badly, which
Here is what L.B. Cebik says on the topic of all-band folded dipoles.
http://www.cebik.com/wire/wbfd.html
73,
John Gibson, no8v
A lot of them have been replaced by the now-ubiquitous BW All
Band Folded Dipole - the same antenna that I use in an open-V
configuration. It works equally flat
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