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Cobra 19Plus help, loads of static

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Melium

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I have a Cobra 19 Plus that is running on an Ac to Dc cigarette lighter transformer. Ive got it hooked to a 30 foot tv antenna via coax. I get 1-3 bars on each channel, on 1-16 i get around 4 bars, but all i hear is static and occasionally faint Txs. Only on ch1 do I hear things, my neighbors Txs at night. Everything else is static.us Any ideas?
 

FLRAILMAN

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First let me extend a very warm welcome to Radioreference, now down to cases. Do you mean the Cobra: 19 DX II, 19 DX III, 19 LTD Classic II, 19 Ultra II or the 19 DX IV radio? Because there is no 19 DX+. Have you adjusted the RF gain control at all? Does your power supply meet or exceed the minimum required power rating for the radio? What is your "actual" coax length & what type of coax are you using? Did you say you are using a TV antenna? When you reply, we can go from there, okay, good luck.

www.cobraelec.com

www.universal-radio.com/catalog/cb_radio.html

FLRAILMAN
 
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Melium

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Jacksonville Fl
First let me extend a very warm welcome to Radioreference, now down to cases. Do you mean the Cobra 19 DX IV radio? Have you adjusted the RF gain control at all? Does your power supply meet or exceed the minimum required power rating for the radio? What is your "actual" coax length & what type of coax are you using? Did you say you are using a TV antenna? When you reply, we can go from there, okay, good luck.

FLRAILMAN
Thanks. Its the standard Cobra 19+ plastic case. No RF control, just vol and squelch. I had it plugged into the tv ant using regular tv type coax. Now its on a 4 foot mag antenna. When the outside ring touches the ant connector everything goes silent. The power supply is 12v @ 400mA. I will admit the system is odd, but it worked for a bit. Is it ok to use tv coax?
 

Melium

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Ith the plastic case 19+. I had it on the tv ant with regular tv type coax. Now its on a mag mount antenna and still the same problem. The power is 12v 400mA. Is it ok to use regular coax?
 

gewecke

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1. Ditch the cigarette lighter thingamabob and get a REAL 13.8 volt power supply capable of around 5 amps max. 2. then forget the coax & tv antenna and purchase a REAL 50' length of 50ohm cable and antenna designed for 27mhz.
After this you should hear stronger signals but the static may still be there due to that band.
DO NOT transmit on that tv antenna...unless you don't like the radio.
N9ZAS
 

Melium

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I havent been transmitting, I usually dont on the antenna. Where can I find a cheap power supply? I checked radio shack, they dont sell em anymore.
 

gewecke

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You could check a local truck stop,they often have them. Also check your local land-mobile radio dealers?
N9ZAS
 

gewecke

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Ok,maybe check your phone book too,under communications equipment? A power supply shouldn't be that hard to locate. Maybe the local classified ads too. A car battery would work in a pinch,but that's kind of sloppy!
N9ZAS
 

Melium

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Yeah, id like something more permanent than the battery, I use this radio as my base. Any suggestions on how to get the 30ft tower to help me?
 

FLRAILMAN

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Cobra "19Plus" help, loads of static

Okay my friend, I think N9ZAS & I have gone as far as we could with this, so here are some CB radio specialty shops in your area with knowlegable people who can help you with any questions you have. First off, your radio is designated the Cobra model 19DX which is discontinued, all of the following proprietors suggest that you bring it in for a bench check, personally for what they will probably charge you as opposed to it's present value, I'd just purchase a new radio, however that's entirely up to you, if you have a nostalgic attachment to it. Is this it?

Cobra CB Radios

CB Radios Plus or Discount Electronics
541669 US Hwy 1
Callahan, Fl. 32011
904-879-6141
904-879-9044
CB Radios, Antennas and Accessories - CB Radios Plus

Aces CB Shop
33 Lane South
Jacksonville, Fl. 32254
904-783-4747
Electronic & Communication Services - Repair & Installation | Middleburg, FL

High Tech CB Shop
8391 US 301 South
Jacksonville, Fl. 32234
904-289-7900
No website

Good luck & please let us know what they set you up with.

FLRAILMAN
 
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