Using and Understanding OPUS
Using and Understanding OPUS
Using and Understanding OPUS
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Antenna Type, height – easy, right?<br />
• Type?<br />
– Verify by looking up in ANTCAL<br />
– Orient the antenna indicator to true north<br />
– Centered over the mark? (check plummet or bubble)<br />
• Height?<br />
– Height to what? (antenna ARP, not L1-phase center)<br />
– Fixed-height tripods are easier than slip-legs.<br />
– Vertical, NOT slant-height.<br />
– Is your fixed-height tripod really fixed? (measure!)<br />
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