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Author Topic: av18ht  (Read 258 times)
AB2YR
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Posts: 5




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« on: November 28, 2009, 04:21:35 PM »

just put up my hi-gain av18ht. did every thing by the book cant get it to work. have put 30 radials in all 70 ft long. i put rg213u from the antenna to the radio about 70 ft could any one tell me where i went wrong
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W9PMZ
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Posts: 573


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« Reply #1 on: November 28, 2009, 04:45:47 PM »

It would be nice if you tell a little more about the installation.

But I would start by terminating the coax at the antenna with a 50 ohm load and then looking at the coax in the shack to make sure that the cable is correct.

Then I would look at the input to the antenna to make sure that it isn't shorted.

73,

Carl - W9PMZ
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N0AZZ
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Posts: 241




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« Reply #2 on: November 28, 2009, 04:47:54 PM »

You did all the measurements correctly I guess, all shorting stubs and insulators placted correctly? Did you use 6 8' ground rods placed properly tied to the base tubes and all legs tied together. I used 2 buss bars to tie all of my ground wires plus all radials to. My AV18-HT worked well with no radials worked eu. africa asia na but worked a whole lot better with 90 radials @ 120' ea I hear much better and if I can hear them I can work them. I only use my vertical for low bands 40-160 I have the top mounted 160 kit. I do use a manual tuner for wider band width.

73 de Fred N0AZZ
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AB2YR
Member

Posts: 5




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« Reply #3 on: November 28, 2009, 05:04:49 PM »

i put in 6 gound. drop the tower and recheck every thing. coax is new but will check it. thank for your help
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