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All Other Scanner Manufacturers - The forum to discuss all other scanner manufacturers not listed above.

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Old 11-20-2018, 9:43 AM
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Smile Sonar FR-105 and Heath GR-110

I picked up Sonar Model FR-105 and a Heath Model GR-110 at the Benson Hamfest. Want to try and clean them up and get them working again. Anyone got any service information on them? I know the Sonar uses 10.245 IF and pretty sure the Heath uses 10.7 or "type 1" crystals. Also the Sonar has a round tube like power connector on the rear. From what i have read that is an early model. Any help thanks in advance.
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Old 11-20-2018, 11:02 PM
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https://www.samswebsite.com/en/photo...ex/brand/SONAR
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Old 11-22-2018, 7:00 PM
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thankyou will check it out
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Old 11-23-2018, 12:56 PM
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Quote:
Originally Posted by RohnsRadio View Post
I picked up Sonar Model FR-105 and a Heath Model GR-110 at the Benson Hamfest. Want to try and clean them up and get them working again. Anyone got any service information on them? I know the Sonar uses 10.245 IF and pretty sure the Heath uses 10.7 or "type 1" crystals. Also the Sonar has a round tube like power connector on the rear. From what i have read that is an early model. Any help thanks in advance.

The Sonar FR-105 has a 10.7 MHz first IF. The 10.245 MHz crystal you saw is for conversion to the second IF, 455 kHz (10.7-10.245=0.455).


The power connector on the back of the Sonar FR-105 is 11 pins and was used on relays made back in the '60s and '70s. You might find some of these connectors at surplus dealers.


If you need further data on the Sonar, send me a PM.
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Old 11-23-2018, 7:34 PM
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in the past public libraries used to carry the Sams photofacts service info, not sure if they do now but might be worthwhile checking
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