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post #1 of 21 Old 03-13-2007 Thread Starter
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Vhf Troubleshooting

The VHF on my CP 23 receives well but does not transmit, any tips on finding the problem?
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post #2 of 21 Old 03-13-2007
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You either have an antenna issue or the radio is bad. easiest way to check is with a SQR meter which will show standing wave output, if nothing test good there then odds are the transmitter on your radio is dead. I had this happen a few yrs ago after a near miss lightning hit. Sent radio back to ICOM all fixed now.

P.S. -- sorry for the typo -- it's that darn little finger -- Q is right next to the W

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Last edited by svsirius; 03-18-2007 at 10:07 AM.
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post #3 of 21 Old 03-13-2007
2kt wind=trolling speed
 
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Have you checked the transmit/hail (PA) switch?

Dale

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post #4 of 21 Old 03-13-2007 Thread Starter
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thanks, more questions

Transmit switch seems to work inasmuch as the receiving noise from the speaker cuts out when the trans button is depressed.
I am unfamiliar with a SQR meter, what is that? (I apologize for my ignorance)
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post #5 of 21 Old 03-13-2007
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Looks like this.

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post #6 of 21 Old 03-13-2007
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I think you hit the wrong button SD. SWR meter is what you need, unless VFH has something different than AM.

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post #7 of 21 Old 03-13-2007
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Goose-

It was either that one or this one. I have the one above and it is a SWR meter for VHF last I checked... SVSirius called it an SQR, not me...


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post #8 of 21 Old 03-13-2007
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Quote:
Originally Posted by sailingdog
Goose-

It was either that one or this one. I have the one above and it is a SWR meter for VHF last I checked... SVSirius called it an SQR, not me...

oops, my bad. I have an old one from my CB days, is the VHF different.


edit: ok I see the fine print on the unit(the first one), it does say VHF BAND.

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Last edited by goose327; 03-13-2007 at 09:43 PM.
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post #9 of 21 Old 03-13-2007
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Main difference is the frequency range covered... CB is down at 27MHz... Marine VHF radio runs in the 156MHz to 162 MHz range IIRC.

Edit: Just checked... range table for Marine VHF is located here.

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Last edited by sailingdog; 03-13-2007 at 09:46 PM.
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post #10 of 21 Old 03-14-2007
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I usually try not to be an a$$ but sometimes I can't resist...

Its called an SWR meter and its actually printed on the face of the meter not a Standing Quave Ratio Meter. all joking aside, I think you should connect an SWR meter in and you will see what your problem is. If you continue to transmit and your SWR is to high you could fry the finals in your rig.

Fair Winds,

Bill KI4GSV
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