Sec. 100.21  Technical requirements.

    Prior to the 1983 Regional Administrative Radio Conference for the 
Broadcasting-Satellite Service, interim direct broadcast satellite 
systems shall be operated in accordance with the sharing criteria and 
technical characteristics contained in Annexes 8 and 9 of the Final Acts 
of the World Administrative Radio Conference for the Planning of the 
Broadcasting-Satellite Service in Frequency Bands 11.7-12.2 GHz (in 
Regions 2 and 3) and 11.7-12.5 GHz (in Region 1), Geneva, 1977; 
Provided, however, That upon adequate showing systems may be implemented 
that use values for the technical characteristics different from those 
specified in the Final Acts if such action does not result in 
interference to other operational or planned systems in excess of that 
determined in accordance with Annex 9 of the Final Acts.

                    Subpart D--Operating Requirements