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Fw: [BCD396XT] Antenna Options for my BCD396XT

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  • Mark Levine, D.C.
    like this http://www.dpdproductions.com/page_scanner.html ... From: Mark Levine, D.C. To: Sent: Friday, May 03,
    Message 1 of 1 , May 3, 2013
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      like this

      http://www.dpdproductions.com/page_scanner.html


      ----- Original Message -----
      From: "Mark Levine, D.C." <wb2eqe@...>
      To: <BCD396XT@yahoogroups.com>
      Sent: Friday, May 03, 2013 8:27 PM
      Subject: Re: [BCD396XT] Antenna Options for my BCD396XT


      > In addition, you would want to offset it from the vertical support mast
      > (assuming the mast is metallic
      >
      >
      > ----- Original Message -----
      > From: "MCH" <mch@...>
      > To: <BCD396XT@yahoogroups.com>
      > Sent: Friday, May 03, 2013 8:08 PM
      > Subject: Re: [BCD396XT] Antenna Options for my BCD396XT
      >
      >
      >> It would have to be mounted so the smaller elements are closest to the
      >> direction you want to receive. You would also mount it so the elements
      >> are vertical (up and down) and not horizonal.
      >>
      >> Or, like this looking at it from the side:
      >>
      >> | |
      >> | | | |
      >> | | | | | | | |
      >> --------------- --> direction you want to receive.
      >> | | | | | | | |
      >> | | | |
      >> | |
      >>
      >> And lightning rods are usually only 8 feet long, but they should be
      >> completely in the ground save for a couple inches.
      >>
      >> Joe M.
      >>
      >> Preston Ward wrote:
      >>> So would a TV antenna need to be pointed at the city 70-75 mi. away
      >>> (with
      >>> the smaller elements pointing nearest it, and the longer elements
      >>> furthest away), or pointed sideways so that the end points of the
      >>> elements are pointing at it?
      >>>
      >>> Would something like this be OK to use for in-line lightning suppression
      >>> http://www.amazon.com/gp/product/B004X80NO8/ref=ox_sc_act_title_1?ie=UTF8&psc=1&smid=AAQ3GHQN09UUL ,
      >>> or is this a "you get what you pay for" thing and too cheap and
      >>> therefore
      >>> not sufficient?
      >>>
      >>> You mean 10AWG wire? I happen to have a lot of 10AWG speaker wire left
      >>> over from speaker installations. Would that work?
      >>>
      >>> A grounding rod needs to be TEN feet in the ground? Wow I was thinking
      >>> like 3 feet would be OK. But 10?! Wow. I don't know how I could even
      >>> get something like that into the ground. I may just have to resort to
      >>> keeping the thing unplugged all the time in case a storm sneaks up on me
      >>> while I'm asleep sometime, and only plug it in when I'm using it and
      >>> know
      >>> the sky's clear.
      >>>
      >>> I'm not on a mountain top, in fact I'm in a bit of a bowl, but I have a
      >>> clear shot for the 70-75 mile signals I was hoping to get. I don't know
      >>> though... it may be wishful thinking though. And I hate to invest the
      >>> money into another antenna(s) if it's not going to even be possible to
      >>> work. As for the local signals, I don't think that'll be much of a
      >>> problem once I get a discone or something up on a mast.
      >>>
      >>> Thanks,
      >>> Preston
      >>>
      >>> --- On Fri, 5/3/13, Don.Curtis@... <Don.Curtis@...> wrote:
      >>>
      >>>
      >>> From: Don.Curtis@... <Don.Curtis@...>
      >>> Subject: Re: [BCD396XT] Antenna Options for my BCD396XT
      >>> To: BCD396XT@yahoogroups.com
      >>> Date: Friday, May 3, 2013, 3:14 PM
      >>>
      >>>
      >>> Unless you're on a mountain top with a clear view of the city 75 miles
      >>> away, it's unlikely you'll get the 460MHz signal, even the 150MHz
      >>> would
      >>> be iffy.
      >>>
      >>> TV antennas don't work unless they're mounted sideways. TV is
      >>> horizontal polarized, mobile radio is vertical polarized.
      >>>
      >>> #10 or larger aluminium is good for ground, but unless you're willing
      >>> to
      >>> spend a lot if money on suppression equipment, don't count on "real"
      >>> protection from a simple ground line. You also need supressors on the
      >>> lead line. And, of course, a good copper plated 10' grounding stake
      >>> driven fully into the ground.
      >>>
      >>> A simple splitter to combine two antenna leads for reception usually
      >>> doesn't work unless you're real lucky with lead lengths. In fact, in
      >>> many cases, it can make things worse due to line mismatch and SWR
      >>> issues. Definitely a no-no for use with a transmitter.
      >>>
      >>> A switch is a better way to go.
      >>>
      >>> Sent from my Verizon Wireless 4GLTE smartphone
      >>>
      >>>
      >>>
      >>> [Non-text portions of this message have been removed]
      >>>
      >>>
      >>>
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      >>
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