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Author Topic: Muting Racal RA6790  (Read 3054 times)
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N2GHX Ken
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« on: June 01, 2017, 11:02:30 AM »

Greetings:
Does anyone know the procedure to mute the Racal RA6790?
Can't locate Gary Wingerd anymore...
Thanx
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KL7OF
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« Reply #1 on: June 04, 2017, 12:57:43 PM »

Gary told me that there is no good way to mute the 6790...I am using an antenna relay to disconnect the antenna and It worked well for quite a while...however, I still managed to fry the input board.  I need to repair it as soon as I can figure out how to repair it...   any ideas?   thanx and gud luk











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WB5IRI
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« Reply #2 on: June 05, 2017, 03:23:30 PM »

The muting board I got from Phil, GW0VYF, works FB. I just checked, and his website is still up, so I think he is still in business. Got my board a year ago, no problems installing it at all. http://www.a6a2.co.uk/
Doug, WB5IRI
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WBear2GCR
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Brrrr- it's cold in the shack! Fire up the BIG RIG


WWW
« Reply #3 on: June 05, 2017, 09:04:01 PM »


Has anyone heard of anyone who actually has a schematic for these, or any RACAL receivers??
Would like to have a look see at that!


                         _-_-bear
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_-_- bear WB2GCR                   http://www.bearlabs.com
WB5IRI
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« Reply #4 on: June 06, 2017, 03:51:18 PM »

The muting board I got from Phil, GW0VYF, works FB. I just checked, and his website is still up, so I think he is still in business. Got my board a year ago, no problems installing it at all. http://www.a6a2.co.uk/
Doug, WB5IRI

BTW, the board you want from Phil is the A1 OVP board -- adds over voltage protection, a 10 dB preamp, and full receiver muting:
http://www.a6a2.co.uk/#/a1-ovp-amp/4564193590

Doug
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