[amsat-bb] Re: 2500 Watts on 10.14 GHz?

Bob Bruninga bruninga at usna.edu
Wed Sep 14 18:14:07 PDT 2011

> I believe that your phased array is exited by a 
> powerful TWT probably tunable into the Narrow 
> Band Modes 10.368 - 10.370 MHz into the IARU Bandplan

No, it is 512 individual 5W amps each feeding it's own dipole.  Worst comes to worst, maybe we can cut it all up into 512 tiny 5W transmitters... ;-)

Bob, WB4aPR

>----- Original Message -----
>From: "Bob Bruninga" <bruninga at usna.edu>
>To: <amsat-bb at amsat.org>
>Sent: Thursday, September 15, 2011 12:52 AM
>Subject: [amsat-bb] 2500 Watts on 10.14 GHz?
>> We just got a 2500 Watt phased array transmitter and antenna that can put
>> out up to 4 several hundred watt solid state beams at 10.14 GHz.
>> The prospects are tingling, but since it takes a full rack of equipment
>> within a few feet of it, one would have to have a top floor room.  And
>> , it only covers about 120 degrees.
>> Best I can think of is FMTV and beam it from the ground to illuminate the
>> top of the nearby 600 foot antenna tower and then let that SPLASH in all
>> directions for county wide X band Ham TV.
>> But it is completely wasting the instantaneous steerable beams.
>> Oh, we got it junk.  No one knows how they steered the beams and there is
>> software.
>> But no one in this area has anything on X band.
>> I'm not offering it to anyone, it is Government equipment, just trying to
>> come up with ideas other than a perfect example of a RADHAZ sterilizer.
>> antenna is 2' square
>> Sigh...
>> Bob, Wb4APR
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