RECOMMENDATION ITU-R S.1001* - Use of systems in the fixed-satellite service in the event of natural ... ANNEX 1 - The use of small earth stations for relief operation in the event of natural disasters and similar emergencies 1 Introduction 2 Basic considerations 2.1 Required services and associated channel capability 2.2 Circuit quality 2.3 Selection of frequency band 2.4 Associated earth station 3 Preferred modulation methods 4 Characteristics of the transportable earth station 4.1 System G/T ratio 4.2 Earth station e.i.r.p. 5 Configuration of the transportable earth station 5.1 Weight and size 5.2 Antenna 5.3 Power amplifier 5.4 Low-noise receiver 6 Examples of transportable earth station realizations and system implementation 6.1 Small transportable earth stations 6.2 Example of an emergency network and associated earth stations in the 14/12.5 GHz band