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TruckersReport.com Trucking Forum | #1 CDL Truck Driver Message Board
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External swr meter has me confused
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<p>[QUOTE="Night Stalker10, post: 11644060, member: 200038"]It was a very busy weekend for me, so I haven't had time to check back. My main advise to your original post was to ignore the cobras built in swr meter and I gave you a reason why. You bought a new antenna, but you didn't say what brand and how long it is. Anything under 4ft long doesn't work the best for 11 meters. You bought new rg8x coax made by astatic. I've never used that brand of coax, hopefully the astatic coax is better than their new mics. What percentage of shielding does this coax offer? You want at least 95-97% shielding. According to the external swr meters (including your friends) you have an antenna system problem. Sounds like you resolved that by trimming down the antenna to get a good swr reading on the external swr meter. You say its weird that you had to cut off 3 inches to get a good swr reading compared to the original antenna. All antennas are going to be different. I like running the hustler 4ft antenna. Its a 10/11 meter antenna. I have to cut more off to use it on the 10 meter band than the 11 meter band. To me the real question is how much reflected power do you see. That's really more important than swr readings. But if your external meter doesn't have power reading capabilities, than you have to go by the swr readings. I would check the bonding like Craig suggested.[/QUOTE]</p><p><br /></p>
[QUOTE="Night Stalker10, post: 11644060, member: 200038"]It was a very busy weekend for me, so I haven't had time to check back. My main advise to your original post was to ignore the cobras built in swr meter and I gave you a reason why. You bought a new antenna, but you didn't say what brand and how long it is. Anything under 4ft long doesn't work the best for 11 meters. You bought new rg8x coax made by astatic. I've never used that brand of coax, hopefully the astatic coax is better than their new mics. What percentage of shielding does this coax offer? You want at least 95-97% shielding. According to the external swr meters (including your friends) you have an antenna system problem. Sounds like you resolved that by trimming down the antenna to get a good swr reading on the external swr meter. You say its weird that you had to cut off 3 inches to get a good swr reading compared to the original antenna. All antennas are going to be different. I like running the hustler 4ft antenna. Its a 10/11 meter antenna. I have to cut more off to use it on the 10 meter band than the 11 meter band. To me the real question is how much reflected power do you see. That's really more important than swr readings. But if your external meter doesn't have power reading capabilities, than you have to go by the swr readings. I would check the bonding like Craig suggested.[/QUOTE]
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TruckersReport.com Trucking Forum | #1 CDL Truck Driver Message Board
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External swr meter has me confused
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