Walter Hamler wrote: > I am not real familiar with gps units but have operated a few > altimeters over the years. In the Navy we often set our altimeters to > read the field elevation rather than what the barometric pressure was. > We knew what that was but were not always positive about the accuracy > of the pressure setting on the gauge, even when the tower would tell > us.
That's also the way to set up the pressure altimeter in a GPS receiver. Here's a decent article about GPS satellite-based altitude: http://gpsinformation.net/main/altitude.htm I love the last line: "Those who use GPS altitude to aid in landing their small plane should have their insurance policies paid up at all times." -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.
