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Dose not recive well

I have a cobra 148nwst transmits great swr are grea but dose not recive over a mile and weak radios at all

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  • Anonymous Mar 18, 2009

    my rci 2990 seems to be getting weak on the receive side, any help.

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Get a 4 watt linear booster...that will increase ur range...if youy go over 4 watts the FCC can get u!!!!

Posted on Jan 08, 2009

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NEEDLE MOVES ON RECIEVE LIGHT BURNT OUT AND NEEDLE DOES NOT MOVE ON TRANSMIT IN S/RF,SWR OR CALIBRATE BUT RADIO TRANSMITS GREAT..


try blowing some canned air on the knob and switch to remove dust , also try a dash of electrical component spray on them , then see if it works.

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Cb radio transmitting problems


Check your microphone and the SWR on the antenna.
SWR checks or bench checks should be free at a RadioShop or CBshops, and normally they will only charge for parts needed.

May 04, 2013 | Cobra 29 LTD CB Radio

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I have a Cobra CB Radio and was wondering if I have it on SRF or SWR or CAL


S/RF/SWR/CAL SWITCH. When in the S/RF position, the meter swings
proportionally to the strength of the received signal. When transmitting,
the meter indicates relative RF output power.
When in the "CAL" position, the SWR meter can be calibrated by adjust-
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When in the "SWR" position, the standing wave ratio is measured.

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Jul 14, 2011 | Cobra 29 LTD CB Radio

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Well ive got a cobra 29 with a RF85X installed on it, it worked great for awhile then all of a sudden it stop transmitting took it to cb shop and repairman found the problem was a cap or diode which should...


Have you checked the SWR's.. also some caps help with the roll off of stray emissions . hopefully he took out the right one. also if you have low amperage going to the radio. it will cause problems. normal cobra 29 2-5amps and the factory pwr cord is adequate for that amperage now your pulling 80watts + make sure you have more amps to handle it. watts/13.8volts=AMPS needed. soo say if your radio is doing 100w/13volts you will need 7.7amps basically in theory.. amps- good grounds- good swr's that shop should of checked your antenna for free.. we do here in texas.

Jan 04, 2011 | Cobra 29 LTD CB Radio

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Need a shop


You may have ant. trouble if the SWR is hi
that feeds power back into the radio and
could damage it,lets hope not start with a
good ant.and maybe the radios are not hurt
to bad.
Good Luck

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GREAT TRANSMISSION HARDLY NO RECEPTION


need to take it in to have the SWR set on antena

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Low transmitting range on Cobra MRF55


Hi dstrand, sorry you are having a problem. I will need some more info if you can. Is this radio in a base situation or mobile? Have you had any work don recently? Have you changed anything on the system? (Microphone, antenna, coax, etc)

Haave you checked your swr recently/ If yes, did you use a seperate meter or did you use one built in the radio?

Hope to hear from you soon.

Tom

Dec 30, 2008 | Cobra MR- F55 Base CB Radio

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No transmit or recive but works on pa mode


does this radio have freq? if so you could have turned on causing
a miss alignment with antena.. check all the switches move into different positions and keep keying up, good antena connection?
swr?
tony

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