Pat,
This wouldn't work very well with QSK I don't believe.
Howard #3
----- Original Message -----
From: "Pat Byrne" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Saturday, January 21, 2012 3:29 PM
Subject: Re: ts480
>A vintage Dowkey relay would do the job if there is a way to switch
> 110vac. There were 6 and 12 vdc coils for those relays but probably
> pretty scarce by now.
> Pat, K9JAUAt 02:35 PM 1/21/2012, you wrote:
>>Howard,
>>
>>Here's an idea.
>>
>>Build a coax switch with a SPDT (single pole double throw) relay, 3 SO-239
>>coax sockets all mounted in a small box. Connect the receive antenna to
>>the
>>normally closed contacts of the relay and the transmit antenna to the
>>normally open contacts. Use the control line from your transceiver that
>>would normally control an amplifier to control the relay. Depending on
>>what
>>voltage and current is available on this control line, it may be possible
>>to
>>find a relay that this signal will drive directly.
>>
>>All the shield side of the connectors would be tied together and the relay
>>would only switch the coax centers.
>>
>>If you don't have the ability or knowledge to build this, I would be
>>willing
>>to give it a try for you. You would need to provide me with the
>>specifications of the control signal.
>>
>>I was just thinking, this may not work very well if you use VOX or full
>>break-in while in CW.
>>
>>What say you?
>>
>>73's
>>
>>Howard #3, W A 9 Y B W
>>
>>
>>
>>
>>
>>----- Original Message -----
>>From: "Steve Dresser" <[log in to unmask]>
>>To: <[log in to unmask]>
>>Sent: Saturday, January 21, 2012 1:31 PM
>>Subject: Re: ts480
>>
>>
>> > Howard,
>> >
>> > Short of going into the radio and doing some mods, I know of no way to
>> > do.
>> > Even on a radio like the TS2000 or the TS590, where you can connect a
>> > different receive antenna, I don't think there's a way to do what you
>> > want
>> > to do. Perhaps someone else knows of something, or has some creative
>> > ideas?
>> >
>> > Steve
>> >
>> > ----- Original Message -----
>> > From: "Howard Kaufman" <[log in to unmask]>
>> > To: <[log in to unmask]>
>> > Sent: Saturday, January 21, 2012 09:37
>> > Subject: ts480
>> >
>> >
>> >>I have discovered that the imax-2000 is a fine transmitting antenna,
>> >>but
>> >>not
>> >> a good receive antenna. That is, when compared to my double extended
>> >> zepp.
>> >> So is their a way to get the ts-480 to automatically receive on one
>> >> antenna
>> >> and transmit on the other? I don't want to have to remember to
>> >> manually
>> >> switch the antennas, although that is an easy thing to do. I might
>> >> transmit
>> >> on a de-tuned antenna.
>> >>
>> >> H T Kaufman MSW LCSW
>> >> Adaptive Technology Instructor
>> >>
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