[time-nuts] Azimuth/elevation dependent satellite masking

2010-03-19 Thread Mark Sims
I played quite bit with trying to convert the individual sat clock bias values into a workable number that could be used to control the oscillator. It never worked out. It appears that Trimble is processing and reporting those numbers in a manner such that you need all of them to get what

Re: [time-nuts] Azimuth/elevation dependent satellite masking

2010-03-16 Thread mike cook
This issue seems to have been studied before and some tools exist to predict the SV visbility in relation to local obstructions. ref: http://proceedings.esri.com/library/userconf/proc05/papers/pap1615.pdf I can't locate the freeware Leica tool cited in the paper though . ArcGIS looks like a