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space between two Antennas

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Ex Member
Ex Member


May 24th, 2015 at 12:06pm  
Dear all

We want to install 3 antennas one 3.7m and two 4.5m.All three antennas are aligned to same satellite. My question is what is the best space to be set between them in case they are located horizontally at the same line ?

Notes:
- For more clarification please find attached pic. 
- Antennas to 220 degree and 66.7 degree for elevation.
- All three antennas from Probecom.

Regards
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3Antenna.jpg (17 KB | 247 )
3Antenna.jpg
 
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Reply #1 - May 24th, 2015 at 8:57pm  
If you want to be able to point any dish at any satellite in future the best arrangement is in a north-south line (not east-west).  Space them apart so that, when aimed due south, at the top of the orbit arc with highest elevation angle, the beam of the one behind passes clear over the one in front, with a minimum of a few metres spacing.  With a clear view east and west, each dish may point at any satellite, right down to the horizon.

An east-west layout with minimum spacing, will restrict future operations with satellites further to the east or west.
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