----- Original Message ----- From: "Walter Hamler" Subject: Re: FS Friday: GPS receiver(s)
>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. We did that with the balloon as well. The tower always told us what the BP was, and we dutifully thanked him, and then turned the adjuster until the altitude on the ground read the known altitude (our favourite launch site was 1910MSL IIRC). William Robb -- 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.
