INTRODUCTORY REMARKS |
Reconnaissance issues for GPS surveying include:
Satellite availability:
satellite selection, satellite health, observation window, etc.
Satellite visibility:
checking on site obstructions.
Clearly identifying the groundmark
over which the GPS antenna is to be set up. Particularly
for night observations.
Identifying, if necessary, eccentric
stations to be occupied if the primary groundmark cannot
be used, and other azimuth stations if required.
Station access: critical
for minimising non-productive travel times and unscheduled delays in getting
on-site. Particularly important if night travel is involved.
Site conditions:
on-site power? multipath environment?
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© Chris Rizos, SNAP-UNSW, 1999