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  1. #1
    Radar Fanatic
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    Nov 2004
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    2,303

    Default Strange falses from semi trucks.

    Just wondering if anyone else gets Ka alerts from the satellite communication dome on the top of trucks?

    It never used to happen, but recently my RX65 has started falsing on the highway, quite a lot in fact. The falses are almost always located at 34.735 or very close, and they seem to be coming from the little satellite comm. dome near the top of the truck.

    Anyone else?

  2. #2
    Good Citizen
    Join Date
    Aug 2006
    Location
    Omaha, Nubraska
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    81

    Default

    One thing that ive heard that will set off your rd is their side and rear camera systems.

  3. #3
    Experienced
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    Jun 2006
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    Ellicott City, Maryland
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    242

    Default

    My neighbor's Direct TV dish sets off my Ka (33.762 & 33.753); he has is set about 2' off of the ground.

    Michael

  4. #4
    Old Timer
    Join Date
    Jul 2005
    Location
    Great Lakes
    Posts
    6,538

    Default never

    I have never heard of these things on trucks that can possibly set off an rd. Interesting guys. Thx

  5. #5

    Default Re: Strange falses from semi trucks.

    Quote Originally Posted by compu44
    Just wondering if anyone else gets Ka alerts from the satellite communication dome on the top of trucks?

    It never used to happen, but recently my RX65 has started falsing on the highway, quite a lot in fact. The falses are almost always located at 34.735 or very close, and they seem to be coming from the little satellite comm. dome near the top of the truck.

    Anyone else?
    Those have nothing to do with satellite communication. They're just bloated tracking devices so the feds can track truck drivers as they pass closed chicken coops and other places where there are boom-mounted transponders over the highway. It's the way to keep a noose around the drivers...lots of them had multiple logbooks from different states before they made them install the 'bubble gum machines.'

    It's possible, though, that the truck driver has a very powerful linear booster that is poorly constructed, leaking lots of EMI.

  6. #6
    Newcomer
    Join Date
    Jul 2006
    Location
    Cincinnati, Ohio
    Posts
    12

    Default Truck False alarms

    Being a truck driver myself, I'd say it is the Vorad system. It is a collision warning system. The truck has several small antennas placed around the truck itself (sides, front) and an audible alert goes off in side of the truck if you are tailgating or say someone is riding along side of you in your blind spot. It operates at 24.725 GHz. Here is a link to the system


    http://truck.eaton.com/vorad/radar.htm

  7. #7
    Radar Fanatic
    Join Date
    Sep 2005
    Location
    CANADA
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    1,557

    Default Re: Truck False alarms

    Quote Originally Posted by Michaelrh
    Being a truck driver myself, I'd say it is the Vorad system. It is a collision warning system. The truck has several small antennas placed around the truck itself (sides, front) and an audible alert goes off in side of the truck if you are tailgating or say someone is riding along side of you in your blind spot. It operates at 24.725 GHz. Here is a link to the system


    http://truck.eaton.com/vorad/radar.htm
    Finally one tough guy with a real RD, the STI!!!
    One quick question please: where are those small antennas located, around the rig, on top or sideways, or around the trailer or at the back of the trailer?
    TIA

  8. #8
    Newcomer
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    Jul 2006
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    Cincinnati, Ohio
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    12

    Default Re: Truck False alarms

    One quick question please: where are those small antennas located, around the rig, on top or sideways, or around the trailer or at the back of the trailer?



    Only on the Tractor itself and they usually are located on the front bumper and above the Fuel Tanks. The antennas are usually covered in a black plastic housing and measures about 4”x4” square or diamond.

  9. #9
    Experienced
    Join Date
    Sep 2006
    Location
    New Zealand, Wellington
    Posts
    217

    Default

    i got a laser warning once from a truck :?
    but do some times get Ka warnings hasnt happened for a while i just put it down to the fact my radar is a P.O.S rocky mountain dsl 315.

  10. #10
    Radar Fanatic
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    Nov 2004
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    2,303

    Default

    Well, it's been acting up even more, so i'm beginning to think that it just needs to be tuned up. It's happened a couple times now that when I start up the "Ka USA" message that shows up on boot is only saying "Ka ". Have to do a reset and it goes back to normal. If I get around to it I may send it in to Bel again and have it re-tuned. If it does turn out that way, I think i'm going to look more at Escort next time since i've already got one "Service Required" on my RX.

 

 

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