Neil -
Go to http://www.tubesandmore.com/ and search for "lacquer stick - white".
The stick is much much easier to use than paint and a brush; is very
forgiving of mistakes; lasts a long time; and makes the white line look like
new. I've restored a number of knobs on my Collins S-Line, and they lo
Hi Fellow Drake Fans,
I am posting this for a friend of mine who has been tasked to liquidate the
estate of a SK. Disclaimer --I have no financial interest in any of the
transactions. I just happen to be one of the early buyers of some of the radios
and have managed to resurrect an R4B and
I noticed the white bars on my Drake knobs are turning brown. Can I us alcohol
on the knobs to clean them? I used alcohol to clean a black plastic case of a
clock and it left a film that can't be removed.
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Hi Hank:
Just another thought. Are you taking the Rx antenna feed from the T4x?
That uses the TR relay to release the Rx antenna as the relay switches.
I wasn't originally thinking of adding the RF into the muting test.
Just open and close the mute line without the transmitter. I have hea
Thanks for the reply, Curt. No, I have not thought of a good way to simulate
the switching without the T-4XC and still have similar timing of the RF load.
The muting method in the NC-300 is simply opening the cathode circuit (same
method as used with the RX / TX switch on the receiver. I supp
Have you tried seeing what happens when you simulate the same muting in
the Rx without the T4x? It might be something in the Rx that does that
when it switches.
Your suggestion is certainly possible if the Rx Mute response is slow.
It does not do this with a R4any.
Curt
KU8L
On 10/18/20
I am using a T-4XC with a National NC-300 receiver and am using the receiver
mute circuit to mute the receiver. This works well except that when I initiate
a transmission with any mode, I get a rather sharp and loud thump in the
receiver. It almost sounds as if the rf from the transmitter is h
Looking for a 12.6 xtal for my T4XB, have several general coverage xtals to
trade or looking for a used one.
73 Gary K7OX___
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_kj6cfi@yahoo.com_ (mailto:kj6...@yahoo.com) writes:
I am looking for an MN-7 tuner in good condition. Denny Dollahon, KJ6CFI
While you are looking around if you find a meter for one let me know.
Carl wd8nhk___
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Buddy!!! You must visit it! It’s the best thing I’ve ever known!
http://sms4them.com/friends.php?hoyahooID=17ky1
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