Question about SkyGolf SkyCaddie Handheld GPS Unit

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Failing to recognize any GPS signals - it gives no distances

This is an SG4 about 18 months old. I just started using it again after a layoff of a year and loaded a new course using the Mac interface. All went well but when I took it to the course (Shoreline at Mountain View, CA) it failed to recognize any distances. All else seemed to be working fine.

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Hi
It doesn't "attach" - it re-radiates the GPS signals.
A typical re-radiating antenna setup receives GPS
signals via it's own antenna, amplifies them, then
transmits them 'down the wire'. If the wire ends in
an appropriate antenna, the signals are radiated
from that antenna. Depending on the design, the
re-radiated signal may be received even if the GPS
receiver is 'some distance away'. For example, in
the Garmin headquarters in the call center they use
this to enable call center staff to receive GPS signals
at their desks when working on support calls.
There is a potential problem when using your GPS outdoors,
which is that the GPS antenna needs to be blocked from
it's normal reception of GPS signals, so it receives
only the re-radiated signals.
Because the re-radiated signal strength has been amplified,
it is usually enough to place the re-radiating antenna
in close proximity to the GPS's antenna.
On the etrex series, some people just use a rubber band
to hold the re-radiating antenna onto the etrex.

Posted on Dec 27, 2008

  • ABHISHEK.C
    ABHISHEK.C Dec 27, 2008

    If I remember correctly, the Tri-M Mighty Mouse antenna provides something
    like 28db gain. I don't know what the gain of the quadrifilar helix is. I
    doubt it is so high that 28db gain from the mighty mouse only gets the
    signal back up to the level of the quad-helix. 16.5 ft of RG174 should only
    give about 6db attenuation at 1500 Mhz. You should definitely see a major
    improvement in signal level between the quad-helix and the mighty mouse
    under identical reception conditions (EMI notwithstanding).



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Well try to give it a soft reset.
or hard reset.

soft reset= from the settings of ur unit
hard reset= there is a small hole press it with a needle and try again.

Posted on Dec 27, 2008

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