You can get a good view of typical high-end GPS antennas with an image search like: https://www.google.com/search?tbm=isch&q=cors+gps+antenna
For examples of antenna and winter conditions, try these: https://www.google.com/search?tbm=isch&q=gps+antenna+snow https://www.google.com/search?tbm=isch&q=gps+antenna+snow+ice+cold Scrolling through the images is quite educational. /tvb _______________________________________________ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.