Step 9

With all 24 transponder signals of approximately equal amplitude appearing on the spectrum analyzer screen determine the specific antenna system and satellite parame- ters. Rotate the feed assembly as required until the appropriate (odd or even) transpon- der signals are maximized.

Figure 4-5: Maximizing Odd Transponders

Figure 4-6: Optimum Polarization Setting

75

Operation

Page 75
Image 75
Andrew 3.7-Meter Earth Station Antenna manual Maximizing Odd Transponders