iG5 User Manual
64
It has fantastic views in all directions, unfortunately a semi-
truck drives by every 20-seconds and completely obscures a
receiver’s view of the southern sky. This forces the receiver
(and OPUS) to lose lock. This is a
BAD
location and will greatly
increase the RMS error estimates and drop the percentage of
observations used.
Large Structures to the South
This 8-story parking garage is 40 feet to the southeast of the
brass rivet in the street. The red arrow points South.
