[time-nuts] GPS Horizon Plots
df6jb at ulrich-bangert.de
Sat May 10 02:04:20 EDT 2008
please find attached the AZ-Elevation-Chart for my location 8.606 Deg
East / 52.957 Deg North (northern Germany abt 30 km south of the city of
Bremen). The M12+'s elevation mask angle is set to 10 Deg and the
antenna has free sight to the horizont into West, North and East
direction while in South direction a group of trees and the pole itselt
that it is mounted to with an cantilever arm generates some negative
peaks in the chart.
> -----Ursprüngliche Nachricht-----
> Von: time-nuts-bounces at febo.com
> [mailto:time-nuts-bounces at febo.com] Im Auftrag von Peter Putnam
> Gesendet: Freitag, 9. Mai 2008 18:45
> An: Time Nuts
> Betreff: [time-nuts] GPS Horizon Plots
> GPS horizon information I have collected during recent
> travels might be of interest to those siting an antenna for
> time-keeping purposes.
> It shows that obstacles to the north of a station in the
> northern hemisphere are not necessarily detrimental to GPS
> reception. The opposite is true in the southern hemisphere.
> If you live north of 60°N (or south of 60°S), other
> considerations apply.
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