Using and Understanding OPUS
Using and Understanding OPUS
Using and Understanding OPUS
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WHY DO I NEED THE ANTENNA TYPE?<br />
The antenna phase centers are<br />
located somewhere around here.<br />
The Antenna Reference Point (ARP)<br />
is almost always located in the<br />
center of the bottom surface of the<br />
antenna.<br />
phase ctr.<br />
The antenna offsets are<br />
the distance between<br />
the phase centers <strong>and</strong><br />
the ARP<br />
ARP<br />
You do not need to know<br />
these offsets. They are<br />
passed to the processing<br />
software through the<br />
antenna type<br />
Incorrect or missing antenna type → big vertical errors<br />
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