[CW] CW Keyer Interface

[D.J.J. Ring, Jr.]

Clare made a HGJM series mercury wetted relay, 50VA rating.  He needs 250
VA, very expensive!

DR
On Oct 26, 2015 1:07 AM, "Joe" <v31jp1957 at gmail.com> wrote:

> Way back when, I kept a 12 VDC wall wort power supply and a 12 VDC relay.
> I selected the relay that did not need a lot of current to key
> it and had a Voltage rating to key the cathode type radios.  I have not
> shopped for such relays for some time, so maybe some have advice
> on these.  We used mercury wetted contact relays back when we home brewed
> W9TO keyers back then.
>
> On 10/25/2015 11:46 PM, Lee wrote:
>
>> Does anyone on here know of an available keyer interface (built or in kit
>> form) to interface a modern ss keyer to a cathode keyed transmitter?
>> Something good for 800 volts @ around 300 ma or more? I'd also use it with
>> a semi-automatic bug to get the high voltage and current off of the bug or
>> straight key.
>>
>> I found one that would work nicely on "Ham Gadgets" home page, but when I
>> went to order one, a flag popped up saying it was not in stock.  (UKA-3+)
>>
>> All my modern keyers around here are OK with QRP rigs and the newer
>> transceivers, but they can't handle cathode keyed transmitters. Right now
>> I'd like to use my Eldico TR-75 TV transmitter as I had one as a kid back
>> in 1953.  I think I need an interface to use my keyer.
>>
>> Anyone have any suggestions.?
>>
>> Lee, w0vt
>>
>
> --
> Regards, Joe, Marty & Sidney Pontek
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> to restore.
> LotW
>
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