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Thread: One antenna or four?

  1. #1
    Maximum Bitrate stonestatue's Avatar
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    One antenna or four?

    I have the intention of putting a few different devices in my van, all of which require an antenna.

    Basically, I will have four different radios, all of which do something different. I'll have the standard FM radio, a CB radio, a ham radio, and a scanner (radio).

    I was wondering how many of these devices can share an antenna.
    Check out my GMC Savana worklog.

    Remaining tasks to facilitate vanputer installation codename "Enterprise":
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  2. #2
    Maximum Bitrate BarryWoods's Avatar
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    Quote Originally Posted by stonestatue View Post
    I have the intention of putting a few different devices in my van, all of which require an antenna.

    Basically, I will have four different radios, all of which do something different. I'll have the standard FM radio, a CB radio, a ham radio, and a scanner (radio).

    I was wondering how many of these devices can share an antenna.
    I'm pretty sure none of them can share an antenna.
    Failure is not an option....



    It's installed by default on every version of Windows.

  3. #3
    Maximum Bitrate stonestatue's Avatar
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    Damn.
    Check out my GMC Savana worklog.

    Remaining tasks to facilitate vanputer installation codename "Enterprise":
    - Edit skin to liking.
    - Get compatible phone for mobilephone.net.
    - Facilitate HVAC control.

  4. #4
    Maximum Bitrate BarryWoods's Avatar
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    Don't worry. The under cover / unmarked police car look is in these days.
    Failure is not an option....



    It's installed by default on every version of Windows.

  5. #5
    Maximum Bitrate stonestatue's Avatar
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    But it's going in a van.
    Check out my GMC Savana worklog.

    Remaining tasks to facilitate vanputer installation codename "Enterprise":
    - Edit skin to liking.
    - Get compatible phone for mobilephone.net.
    - Facilitate HVAC control.

  6. #6
    Maximum Bitrate BarryWoods's Avatar
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    Even better!
    Failure is not an option....



    It's installed by default on every version of Windows.

  7. #7
    Maximum Bitrate stonestatue's Avatar
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    Quote Originally Posted by BarryWoods View Post
    Even better!
    Heh, ok. Well in that case, maybe you can make some recommendations on where each antenna can go (and for that matter, what type of antennas to get given the type of vehicle).

    I have a full size 1993 Chevrolet G20 conversion van.
    Check out my GMC Savana worklog.

    Remaining tasks to facilitate vanputer installation codename "Enterprise":
    - Edit skin to liking.
    - Get compatible phone for mobilephone.net.
    - Facilitate HVAC control.

  8. #8
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    Depending on what ham band you use, you can reverse a good antenna switch and use it between the CB and ham..If you're only running on 10 meters, a good predator 10k or wilson 5000 will work for both rigs, especially if you have a tuner for the ham. Either way, go with a wilson 5000 roof mount or a predator 10k (probably 12" shaft) with a puck mount on the roof for the CB...I'd lean toward the wilson for clearance, but the predator is a better performer if placed properly. Make sure to ground your doors and "hood" with flat braided ground straps for proper groundplane. If you intend to run on somthing other than 10 meters, I'd run an antenna for each radio. Also, have you considered a multi-band radio? A yaesu 857d can be converted to run on the 11 meter CB band as well..to be technical, it isn't legal as the power output is higher, but unless you're causing trouble, you've got a better chance of being struck by lightning in your own home than being harassed by the FCC for running an "illegal" radio. The 857d runs on 160-6 meter, as well as the 144 and 430 mhz bands from the factory, and uses 2 antennas..I forget what the addition for 11 meters entails, but I know it can be done pretty easily. Coupled with the yaesu fc-30 or fc-40 antenna tuner, that covers a good chunk of the ham bands pretty well..
    And the golden rule for cb/ham radio: if you wanna be heard, drill a hole. Stay as far away from glass mount antennas as possible, and avoid mag mounts if you can (for the cb and ham rigs).

    For the FM radio, go with one of the universal rubber antennas from an autoparts store, those work pretty well...assuming you dont have a factory antenna.

    PS. Is your roof metal? If not, thats going to complicate your antenna setup and will demand some pretty hefty side-body mounts and fender mounts.

  9. #9
    Maximum Bitrate stonestatue's Avatar
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    The roof is fiberglass. I am not yet sure where I will put any of the antennas. Aesthetics is my main goal. I am willing to sacrifice some range in the name of appearance, IE putting a tall antenna directly on the roof versus mounting it on the side thereby making it less conspicuous.
    Check out my GMC Savana worklog.

    Remaining tasks to facilitate vanputer installation codename "Enterprise":
    - Edit skin to liking.
    - Get compatible phone for mobilephone.net.
    - Facilitate HVAC control.

  10. #10
    Maximum Bitrate stonestatue's Avatar
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    Are there other ham radios that can be converted to transmit and recieve on CB frequencies? What about this radio?

    http://www.gigaparts.com/store.php?a...&sku=ZIC-2820H
    Check out my GMC Savana worklog.

    Remaining tasks to facilitate vanputer installation codename "Enterprise":
    - Edit skin to liking.
    - Get compatible phone for mobilephone.net.
    - Facilitate HVAC control.

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