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Thread: whats the best antenna for behind the glass?

  1. #11
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    From what I understand, plain glass windshields aren't a problem, but rather glass windshields with metal oxides in them (like IR surfacing or anti-glare). So maybe find out if your windshield has any kind of coating or is made of a type of glass that contains metal oxides. Some people have had success simply placing the unit (or antenna) under unaffected parts of the windshield.

  2. #12
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    i wanted to add that windshields of different cars can affect the GPS receiver. My rikaline 6010 works great on the dash of my chevy work van, but i can't get anything on the dash of my subaru. as soon as i hold it outside, i get signal. i got a new holux sirfstarIII coming, hopefully that will work.

  3. #13
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    Quote Originally Posted by DylanBennett
    From what I understand, plain glass windshields aren't a problem, but rather glass windshields with metal oxides in them (like IR surfacing or anti-glare). So maybe find out if your windshield has any kind of coating or is made of a type of glass that contains metal oxides. Some people have had success simply placing the unit (or antenna) under unaffected parts of the windshield.
    wow, we posted at the same time with the same response.

  4. #14
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    Great warped minds think alike.

  5. #15
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    Thanks guys

    Quote Originally Posted by nkotch
    If you don't have a usb GPS unit yet then get a simple gps unit w/ the sirstarIII chip and just hide it somewhere on the dash. If you just add a separate antenna and keep it inside the car you'll lose some signal because of coax losses (especially at those high frequencies).

    nope I don't have a GPS unit yet
    (so far I have ~85% of my parts bought
    laptop, docking station, touchscreen LCD, RCA video to USB converter for my cameras, some of my cabling, still need some misc stuff. Have Roadrunner loaded up on the laptop. Just waiting for it to get a litte warmer then I'll start workign on the car again been in the mid 30'sF here
    )

    I'll definietley get something with sirstarIII now

    btw: what software do you guys use with your sirstarIII
    any prefernce?


    regards

  6. #16
    FLAC Spaghetti's Avatar
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    Holux GR-213 Sirf starIII gets me 11 sats + partials on my desk. Might as well get the very best eh...
    In da club....

    ALIZEE WANTS YOU.....

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  7. #17
    Variable Bitrate ramy_zohair's Avatar
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    Quote Originally Posted by nkotch
    I've had no problems with my GPSslim236 (sirfStarIII) on the dash. I can actually put it just about anywhere in the car (on the seat, middle armrest ,etc.. and can still get a decent lock).

    Do you already have a GPS unit now and just looking for an antenna? Or are you looking at which GPS unit to get?

    If you don't have a usb GPS unit yet then get a simple gps unit w/ the sirstarIII chip and just hide it somewhere on the dash. If you just add a separate antenna and keep it inside the car you'll lose some signal because of coax losses (especially at those high frequencies).
    I got 11 sat locked while GPSslim236 was in the trunk. It is an amazin unit.

  8. #18
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    i finally got my Holux GR-213 Sirf starIII and tried it in my car. the rikaline 6010 wouldn't lock on to anything because of the coating on the windshield. the holux picks up more sats inside the car than the rikaline did outside the car.

    i love my holux GR-213!!

  9. #19
    FLAC Spaghetti's Avatar
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    Quote Originally Posted by thewr3tched
    i finally got my Holux GR-213 Sirf starIII and tried it in my car. the rikaline 6010 wouldn't lock on to anything because of the coating on the windshield. the holux picks up more sats inside the car than the rikaline did outside the car.

    i love my holux GR-213!!

    How many sats have you picked up?
    In da club....

    ALIZEE WANTS YOU.....

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    (='.'=)
    (")_(")
    Bunny's first poo
    __ U

  10. #20
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    Quote Originally Posted by Spaghetti

    How many sats have you picked up?
    i haven't had a chance to fully test it yet since i have a company vehicle to ride during the week. but from sitting in the parking lot between buildings i was getting 2-3 sats with the rikaline outside the car. the holux sirfIII gets me 7 outside the car and 4 inside. i get the same number of sats on my dash as i do on my rear deck with 5% tint on all windows (except windshield). If i roll my windows down i usually get an extra sat or two. (i thought that was pretty funny).

    one thing i noticed was that even though the holux will get a lock inside the car, it does loose the signal and drops me down to 0 for a few seconds. I'm guessing it's because of the low signal since it works great outside. i'll get a chance to road test it this weekend and see how it does inside while driving.

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