Setting up a mobile as a base.

Discussion in 'CB Radio Forum' started by EZ Money, Mar 1, 2013.

  1. EZ Money

    EZ Money Road Train Member

    Good idea.

    I was thinking of about 4 ft of rebar in the ground with solid copper wire to the mount.
    I have some copper grounding studs from when i used to install satellite systems that would clamp good to the rebar and PL259.

    Still waiting on my antenna.......dang slow shipping!
    Plus i'm getting an amp from vintech (here on TTR) to give me a little more power.
    Got my Times Microwave LMR coax today.

    A couple more weeks and i should be up and running.
     
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  3. MsJamie

    MsJamie Road Train Member

    75 feet of wire? You could probably have shunt fed that wire and had a rather good antenna.

    RF grounds are measured in inches, not feet.
     
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  4. EZ Money

    EZ Money Road Train Member

    How would it be best to ground my system? The antenna will be mounted to the mast that bolts to the back of my shop.
    The bottom of the mast will be about 12 ft from the ground.

    Could i just ground the mast to some rebar? That would save a ton on copper wire. I would not have to buy as much.
     
  5. cadillacdude1975

    cadillacdude1975 Road Train Member

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    Mar 20, 2010
    Chattanooga, TN
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  6. EZ Money

    EZ Money Road Train Member

    Thanks,
    Yea i was thinking about that. I have a neighbor right behind my shop and was worried about interference.
    They have already complained on me once for my air compressor running at night when i was working on something.

    Being my antenna will be on the back of the shop roof it would be about 100 ft from their house.
    It is some old lady that complains on everything in the neighborhood......lol!

    I should have it up next weekend if i find some mast. Radio Shack is expensive on their cheap mast...
    I want the base of the antenna about 10 ft above the roof line of the building.
    That will put the tip of the antenna at near 40 ft.

    Ebay has plenty of mast but the shipping is high......i have to find some local.
     
  7. MsJamie

    MsJamie Road Train Member

    That's an understatement...

    Check places like Home Depot for "top rail"; it's the pipe used along the top of chain link fences. There are a few minor differences, but it works just fine, and it's about a third the cost of Radio$hack masting.

    Also check your local hardware store for masting as well as the top rail. Even if they don't stock it, they may be able to get it for you within a few days.
     
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  8. Mt Airy

    Mt Airy Light Load Member

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    Aug 25, 2012
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    Is there a sprinkler supply house near you you cold get some schedule 10 galv sprinkler pipe.
     
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  9. EZ Money

    EZ Money Road Train Member

    I found out my neighbor has a stack of top rail fence pipe.....free!

    That will get me started anyway!

    Good tip on the sprinkler pipe too....Thanks all!
     
  10. jimbowilly

    jimbowilly Bobtail Member

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    Aug 15, 2011
    Troy, NY
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    I run a Cobra 29 LTD Black Chrome w/ an RFX75 at 80 watts, 102" whip attached to the top of a 12ft wooden 4"x4" placed in ground beside my house.
    I live in Troy, NY and regularly talk out to the Virgin Island, Georgia, Carolinas, Texas, Illinois, Indiana, and on occasion California.
    The elevation of your antenna is the most important issue when talking on the skip.
    Jimbowilly
     
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  11. mike5511

    mike5511 Road Train Member

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    May 15, 2011
    NW Arkansas
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    I've used the "top rail" purchased from chain link fence dealers many times. You need guy wires on it if you go very high, but it is plenty strong enough.
     
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