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I have a K40 antenna hooked to a Uniden PC76. In just overnight I went from a 1:1.5 to 3.5. I checked to see if there was anything loose. There wasn't so then I scraped and sanded my mirror bar. changed it none. Any ideas to do will help me greatly.

My Uniden PC76XL has echo board and talk back, peaked, tuned and D-11 clipped. With talk back on and mic gain up my speaker squeals. Speaker is across the cab from me. Will a noise canceling speaker correct this squeal? What is the difference between a dynamic speaker and a noise canceling...

:D Got an echo board and talk back installed Saturday. Talkback turns off with the ch 9 switch. Radio has been peaked and tuned and D-11 clipped. With talk back on I can only turn mic gain up to just less than 3/4 of the way and then it starts sqealling. Turn TB off and squeal is gone. Is this a...

I have a new K-40 antenna, 49" whip. Checked swr's and 40 was higher than 1. started to shorten the whip and it was getting better, 1 was about 1.25 and 40 was about 2 then I shortened it another quarter inch and it went to hell with 1 over 2 and 40 over 3.5. What do I do now?

I found this on eBay and I have seen them on some trucks but what is it and does it help? http://cgi.ebay.com/GROUND-PLANE-KIT-4-Wilson-Firestik-CB-Ham-Radio-Antenna_W0QQitemZ110098832743QQihZ001QQcategoryZ48692QQtcZphotoQQcmdZViewItem

The Uniden 76 I have is going good. Everyone I have talked to says it sounds great. I talked to a guy about 15 to 18 miles from the house and he told me I was talking over everyone he was talking to upthere. That was on channel 1. While talking on channel 19 I dont think that I'm receiving as...

I just got my Uniden PC76XL off eBay. Its used. What should I look for to see whats been done to it?

I had to move my cobra 25 from my truck to a loaner. On my truck I had to run a ground wire from the antenna mount, mounted on the powder coated mirror bar to the door. Stopped squeal I had then. Now I had to move it to this other truck and the squeal is back. I tried running ground wire to the...

I cant get dual antennas 8' apart on my Mack. Is duals that much of a difference?

I Think I already know the answer to this but whats the differences in the PC76 and the PC78. I just bought a 76 off Ebay for $42. I want to get a chrome cover for it. One website sells them for cobra29/unidenPC76 diamond plate(I dont like) and another sells'em for cobra29/unidenPC78 smooth...

Whats the big deal about 18' coax? Dont you want the least amount you need?

1st Hello all "The WorldWide Radio Forum" To give a short history. Been driving truck since "97" and listening and talking on one for more yrs than that. I have always heard this and that, "he does this and they do that", "you cant do that" but he sounds loud doing what ever he is doing kinds...