Copper Talk » Ask The Tech » Modifications » Cobra 142 gtl -tuning the ears up « Previous Next »

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Anonymous
Posted on Sunday, August 12, 2001 - 2:43 pm:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

WICH CANS ARE FOR ADJUSTING THE EARS AND IS THERE ANY TRICKS I CAN DO TO HELP ANYTHING OR EVERYTHING? THANKS
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Anonymous
Posted on Thursday, August 23, 2001 - 8:49 pm:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

307,i have a KLV-350 BASE AMP MY SWR IS LESS THAN 1.0 AND WHEN I TALK IT GOES UP TO 3,AND I HAVE TRIED EVERY SIZE OFF JUMPER BETWEEN RADIO AND AMP AND AMP TO METER AND THE SAME THING STILL 3 I HAVE A NEW TC 3001 METER NEW COAX THE GOOD STUFF AND NEW JUMPERS,WHAT SHOULD I DO? THANK YOU.
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307 (307)
Posted on Friday, August 24, 2001 - 6:56 am:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

3:1 is ok on voice peaks , what is happening in the calibration on the meter as the power goes up is most likely not set. Try calibrating the meter with a voice peak (full power) then set it to SWR and read it. Let me know.
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bluedog
Posted on Friday, August 24, 2001 - 10:38 am:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

Hey anonymous the adjustments are L15, L13 & L3 on the Cobra 142 GTL and also i wouldn't recomend trying to get a whole lot of mod out of this radio in which they are real sensitive. Might want to turn the wattage up just a little.
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Anonymous
Posted on Friday, August 24, 2001 - 1:39 pm:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

307,I DID WHAT YOU SAID AND IT GOES TO 1 WITH A DEAD KEY AND LIKE TOU TOLD ME AUDIO INTO IT AT FULL POWER AND SET CAL AND SWITCH IT BACK YO SWR AND AT A AUDIO IT SHOWS 2.1, WHAT DO YOU THINK? THANK YOU
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Anonymous
Posted on Friday, August 24, 2001 - 1:30 pm:   Edit Post Delete Post    Move Post (Moderator/Admin Only)

I HAVE 1 QUESTION THE RADIO SHOP TOOK OUT TR-32 3 LEGGED TRANSISTER I WAS TOLD THATS NOT A GOOD THING TO DO CAUSE IT VOIDS THE LIMITER IF SO WHAT NUMBER IS THE TRANSISTER SO I CAN PUT IT BACK,THANKS SOMEONE

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