Cobra Ultra How do i get better signal with a cb antenna?
I was wondering how to get better signal from my cb antenna, i have a 102" whip, and it don't pick up that good. Also i only have a cobra 19 ultra 3 radio ( i was on a budget). Can anyone help me out? And i heard that the whips are the best mobile antennas, is this true? I'll Appreciate any advice thanks
Except for antennas that are an electrical 1/2 wave design, a 102" whip should be one of the best antennas around. I take it that this is a mobile installation. The 102" whip requires the spring, it's part of the antenna. It should be vertical. It should be mounted on metal. The more it's surrounded by metal, the better. This is because the metal is half of the antenna. Ideally, the entire antenna should be vertical and the metal ground plane should be horizontal and should be a radius of 104" in all directions. Vehicles seldom provide this though.
You say it doesn't receive well. How have you determined this? Test the antenna with an SWR meter. A low reading (1.1:1 to 1.5:1) would indicate a good match with the radio. A high reading (2:1 or higher) indicates a problem. Since you are using a simple whip antenna, you can use a VOM (volt-ohm-milliamp) or DMM (digital multi-meter) to test it. At the CB connection, you should have zero ohms resistance between the center conductor and the whip and again between the outside (screw) connection and the vehicle ground. You should have infinite resistance between the center conductor and outside conductor, as well as vehicle ground.
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CoBRa ultra shock ball
should i buy this CB radio?
Cobra 19 Ultra III Citizen Band Radio. its a 4 watt radio for 34 bucks from walmart, it has mixed reviews but most are encouraging. http://www.walmart.com/catalog/product.do?product_id=4642484
If as someone said, you understand CB radio is different than FRS (you do get more range, but you do get more noise and will get interference due to skip) it's a good beginner radio.
Used many of the Cobra CB radio line. Usually a radio like this for $34 will do it's universal job of getting you on the air and talking. However there is no way to cut some of the interference down except for the squelch (the one reviewer that rated it bad, must of thought it was like a FRS radio, which it's not)
remember you will need a outside antenna to get better range (more money) but normally this is a true 2-3 mile radius radio (unlike FRS that claims 2 but can't get more than 1 at most in my testing)
IF you've never had a CB radio, read this first before buying
