CONTENTS

Annex 1  Evaluation of unwanted emissions in the 1 400-1 427 MHz band from non‑GSO MSS feeder links that may operate in the 1 390-1 392 MHz and 1 430-1 432 MHz bands
 
1
     Introduction
 
2
     Technical characteristics of the MSS system
 
3
     Simulation model
        3.1
     Approach
        3.2
     Verification
 
4
     Results
Annex 2  Results of tests and measurements pertaining to containment  of unwanted emissions

 
1
     Transmitter architecture
 
2
     Evaluation of unwanted emissions
        2.1
     Configuration 1
        2.2
     Configuration 2
 
3
     Flight hardware implementation considerations
        3.1
     L.O. carrier
        3.2
     Digital modulation
        3.3
     RF up-converter
        3.4
     Output power amplifier
        3.5
     Pre- and post-amplifier filter
        3.6
     Test relevance to proposed 1 390-1 392 MHz uplink
 
4
     Long term reliability aspects for operation in space
        4.1
     Analogue components (including oscillator)
        4.2
     Digital components (GMSK shaping)
        4.3
     RF components (upconverter)
        4.4
     Power components
Annex 3  Filter characteristics of feeder links near 1 400 MHz