John,
Very sound advice.
I am using a Alpha Delta T33g50 that I picked up at HRO Denver, Co; The
Red Pittaya antenna (Cobwebb) is 15 feet below the TH-7 which is emitting aprox
500W.
It has survived for 12 months so far, which has amazed me.
Regards
Tim, A45WG
> On Aug 15, 2017, at 10:06 PM, John K9UWA <j...@johnjeanantiqueradio.com>
> wrote:
>
> We have been operating this way with full break-in for many years using the
> KD9SV products. First it was just the "Front End Saver" which removes and
> grounds the incoming rcv antenna from your radio during transmit. As a "Fail
> Safe" the device also prevents the Amplifier from working by removing the
> PTT line to the amp if by any chance the relays in the KD9SV device fail to
> operate. Later it is now incorporated into the various RBOG and other
> Pre-Amp devices that KD9SV sells... through DX-Engineering.
>
> Disclaimer Statement: Yes I am a friend of Gary's. Call me a more than
> happy customer. I complained many years ago after I fried the front end of
> my IC-765 radios a couple times and Gary started building these devices.
> They Work and I am happy. No more blown front ends no more blown
> pre-amps.
>
> John k9uwa
>
>> Just a note to say that years ago, I had a B&W Electronic Antenna Switch (I
>> think it was called) that had one or two tubes in it. It worked perfectly to
>> bias the receive completely and immediately as soon as transmit was
>> detected.
>> It allowed full break-in for CW work. I would like to see something like
>> this
>> again today in solid state. I think this would be the ticket for what you
>> need.
>> I havenTMt looked, so I donTMt know if anyone is marketing such a device.
>>
>> Rich, n0ce
>
> John Goller, K9UWA & Jean Goller, N9PXF
> Antique Radio Restorations
> k9...@arrl.net
> Visit our Web Site at:
> http://www.JohnJeanAntiqueRadio.com
> 4836 Ranch Road
> Leo, IN 46765
> USA
> 1-260-637-6426
>
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