VHF 4 Bay Dipole help

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CPD534
Posts: 191
Joined: Sun Sep 09, 2001 4:00 pm

VHF 4 Bay Dipole help

Post by CPD534 »

Hi all, I have recently been given a VHF 4 bay dipole that had been replaced by a company in town. I've not had a chance to see if there are any company names on it yet but this is the type you see on alot of towers/ water tanks for repeater operation. Its unidirectional. Now I'm just starting to learn the antenna technical aspect of the hobby so I was wondering if there is a way to test this thing as I have no idea why it would have been removed from service unless broke. It appears good condition except where they cut the coax about two foot down to replace it. I would have thought there would have been a Connection there but I don't know. So ill have to get another connector on there and what's the best way to test it without fancy equipment besides the obvious hooking it up and seeing if it will receive? Also What is the used market like for these things? Its oh about 20 ft long and I have no idea how I would ship it but I have no use for it as all my stuff is uhf. What's a typical price for a used one?

Thanks for all the help
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Bill_G
Posts: 3087
Joined: Thu Sep 17, 2009 5:00 am

Re: VHF 4 Bay Dipole help

Post by Bill_G »

Take it to a shop that has an Anritsu or similar TDR. They can sweep it, and tell you the overall condition. I love those antennas. If you aren't using it, find someone in your area who would want it. The price is whatever you can get. I wouldn't go through the trouble of disassembling it for shipment.
motorola_otaku
Posts: 1854
Joined: Tue Jan 13, 2004 7:03 am

Re: VHF 4 Bay Dipole help

Post by motorola_otaku »

Typically they use RG8-equivalent cable for the phasing harness, so you can use whatever RG8 connector is convenient for you to replace the cut end. I like to use N females so they'll mate directly to the feed line without an adapter.

If you live along the 75/40/81 corridor between Chattanooga and Bristol I'll happily take it off your hands when I pass through in July. :D
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