Re: GPS Antenna Automotive
- From: Frank <Frank@xxxxxxxxxxx>
- Date: Sun, 07 Aug 2005 12:39:47 -0400
HI,
I installed my GPS antennas INTO the rear center brake ligh
compartement. I revove the casing from the antenna, put it in
heatshink tubing (make iot smaller) and fit in over lamp IN the brake
light casing.
This way, my antenna is hidden and has direct sky view.
That kind of install is possible in sedan and hatchback style cars.
SUV and caravan may not workout good. I tested on a 1995 Honda Civic
LX and a Porsche 944 1988. it's works perfect.
Hope that can help you getting ideas for mounting antennas!
Francois,
Montréal, Canada.
ps: contact me via email if you want pictures of my installs:
fprovencal gmail com
On Thu, 04 Aug 2005 20:47:26 +0300, Tapio Sokura <oh2kku@xxxxxx>
wrote:
>Thiloosa wrote:
>> What type of GPS antenna is this. Does it have a name or type?
>
>Hard to say what make/model exactly as there are no markings visible on
>the antenna. Probably it's an active antenna with an MCX connector,
>those are the most common ones.
>
>> I work in the Automotive sector and recently we have started to install GPS
>> equiptment. The Antennas are always required by the customer to be covertly
>> installed. Ocassionally we have problems with the vehcile Tracking system
>
>Covert installation and GPS antenna don't mix well. I'd guess that the
>problem is with the antenna not seeing enough of sky for the receiver to
>achieve a satellite lock. Anything metallic between the antenna and a
>large part of the sky is bad for the reception. If you can't mount it on
>the roof (or any other outside surface, excl. bottom) of the car, the
>best place in a normal car might be in the (non-metallic) dashboard
>close to the bottom of the windscreen. If the windscreen has a UV
>coating on it, the GPS might have a hard time getting a lock there as well.
>
>> Is there any peice of equiptment that would plug directly into tthe antenna
>> to see what the antenna is seeing (for fault diagnostic purposes)?
>
>You can use a normal handheld GPS that is equipped with a suitable
>external antenna connector for checking the satellite reception. Also
>make sure the antenna preamplifier voltage fed from the GPS is within
>the range of the antenna you use. When you plug the external antenna
>into the handheld GPS, you can see on the handheld GPS satellite info
>screen what the external antenna is seeing. In a clear field and a well
>placed antenna you should see almost all visible satellites being
>received with almost full signal strength bars.
>
> Tapio
.
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- From: Tapio Sokura
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