30-01-2004 22:13, Marc Ramsey:

And, I forgot to mention, the GPSMAP 76 uses an internal quadrifilar
antenna, which is correctly oriented for vertical mounting of the unit,
whereas the Legend has a patch antenna which is oriented for horizontal
handheld use. The GPSMAP 76 also has an external antenna connector,
which the Legend lacks.
I strap Legend to my leg, so it's in horizontal position. Panel-mounting
is not a good idea for Legend. However, if I would decide to panel-mount
a GPS, I would choose receiver designed for using in air, or PDA with
appropriate software.

As for antenna, you don't need external one in the glider, signal has no
obstacles and even vertically-positioned Legend works fine. The only
need for external antenna is if you have 'metallized' canopy, like front
shields in many new cars have. It blocks RF and make GPS receivers
inoperative.

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