Document ID: chunk:federal_register_of_legislation:F2020L01452:reg:9
Version: federal_register_of_legislation:F2020L01452
Segment Type: reg
Provision Reference: reg 9
Character Range: 11810–14223

9  Protection requirements
 (1) Radiocommunications transmitters operated under a spectrum licence in the 26 GHz band, other than transmitters exempt from registration in accordance with Statutory Condition 4(a) or 4(b) of Licence Schedule 3 of the licence, (relevant transmitters) must protect the Canberra Deep Space Communications Complex and the New Norcia Deep Space Ground Station in accordance with subsection (2).
 (2) Subject to subsections (3), (4) and (5), emissions from all relevant transmitters operating under a single 26 GHz band spectrum licence must not exceed an aggregate level of        -156 dBW/MHz (minus 156 dBW/MHZ) for 0.001% of the time in any 24 hour period, at the input of the receiver.
 (3) In the application of subsection (2), only relevant transmitters located less than or equal to 200 km from either the Canberra Deep Space Communications Complex or the New Norcia Deep Space Ground Station need to be considered.
 (4) The earth receive station antenna pattern to be used in calculations for the purpose of subsection (2) is the 'multiple entry interference' pattern defined in Recommendation ITU-R SA.509 with a minimum elevation above the horizon of:
           (a) for the Canberra Deep Space Communications Complex, the greater of:
              (i)         6 degrees; or
              (ii)       the angle between the horizontal plane and the line-of-sight to the highest terrain in the direction of each relevant transmitter plus 0.5 degrees;
           (b) for the New Norcia Deep Space Ground Station, the greater of:
              (i)            5 degrees; or
              (ii)          the angle between the horizontal plane and the line-of-sight to the highest terrain in the direction of each relevant transmitter plus 0.5 degrees.
Note 1: The minimum elevation angles in subsection 9(4) assumes that the earth receive station antennas will never be directed less than 0.5 degrees above the surrounding terrain.
Note 2: Recommendation ITU-R SA.509 is available, free of charge, from the ITU website: www.itu.int.
Note 3: Other earth receive station antenna parameters may be recorded in the Register.
 (5) In the application of subsection (2), the propagation model in Recommendation ITU-R P.452 is to be used.
Note: Recommendation ITU-R P.452 is available, free of charge, from the ITU website: www.itu.int.

Part 4 Space receive stations in the 26 GHz band