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Some basic questions about radio interferometer (Direction Finding)

by senmeis
Tags: basic, direction, interferometer, radio
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Dec12-13, 07:42 AM
P: 19

I’m a beginner to interferometer technology. While reading the attached article about this technology I find two formulas are missing. Please help me with them.

1. On page 5-8.8: rms angular accuracy.
2. In Table 3 on page 5-8.9: DF Accuracy.

As far as I understand the space between antennas shall be
a. Great enough for better accuracy
b. Small enough (< λ/2) to avoid ambiguity.

Is that correct?

At last I have a question to „gross error rate“? What does it mean in interferometer? You can find this term here:

Thanks in advance
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