Question about Uniden Bearcat Pro PC78LTW 40-Channels Base CB Radio
I just bought Uniden PC78LTW, also bought a 4' antenna that I mounted to the outside mirror of truck. It worked fine for a few days and now both red lights come on when i key the mic.......Is this an antenna problem or is the mic bad?
I have a uniden pc 78 ltw. Peak and tuned. My light would anntena light would flash. I run a francis 5 1/2 foot with 18 ft 3in of pro8 coax. All i had to do was trim my anntena and reset the swr. problem fixed.
there ya go
Texas Mobil 219
Hope to here ya on ship.
Posted on Apr 20, 2008
I bought the same radio and had the radio "tuned" at a CB Shop. After that, the antenna light came on whenever I keyed the mic. I then bought a 4' tunable antenna and pulled out the whip on the antenna about an inch. I checked the SWR on the radio meter and got below 2.0 and the antenna light does not go red anymore. I do need to go to a CB Shop and have them properly tune the antenna. I heard that the CB's SWR meter isn't that accurate.
Posted on Apr 11, 2008
If the antenna is tunable, you definitely need to start out by having the swr set properly on the antenna. Also, make sure the plastic ferrel, (the small round white piece) is between the top of the antenna bracked and the antenna itself. It is there to make sure the antenna does not ground out to the vehicle. If the antenna is grounding out, it will be like no antenna at all. I have also had a few customers that have had broken coaxes straight out of the factory package on cheaper antenna setups.
Posted on Jan 23, 2008
I have many many 10-meter radios and modded cb's. I just purchased the PC78LTW brand new in the box with a mag mount antenna on craigslist for 80bucks. I took it out of the sealed box put my SWR meter on it, set the antenna up on my tailgate, just to check if it worked correctly....after calibrating the swr, it put out over 8 miles! Not too bad at all...its going for a cb shop peak and tune, echo, and roger-beep on saturday. Point I'm trying to make is to listen to the others who responded on here...its all about tuning, and getting the radio and antenna in sync. I bought the SWR meter for 17 bucks at my local radio shop in Bow NH. Go online and read articles about tuning and you'll figure it out. I'm just a local cb hobbiest and once you get the steps down you'll be calibrating all of your friends radios because they'll be astonished at how good yours sounds.
Posted on Mar 19, 2009
Sounds like you need to go to a cb shop and have the ant matched up to the radio
Posted on May 29, 2007
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Posted on Jan 02, 2017
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