Radiocommunications (Multipoint Distribution Station Licences - Regional Licences) Guidelines No. 1 of 1995
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- MDS licence area boundaries
[NOTE. Details of the MDS licence area boundaries are contained in Schedule 1 to the Radiocommunications (Allocation of Multipoint Distribution Station Licences - Regional Licences) Determination No. 1 of 1995.]
A.1.3. An assessment of the potential for interference from an MDS transmitter to another MDS licence area is necessary if the MDS transmitter is to be located within a distance 'D' of another MDS licence area. The distance 'D' is determined from the height of the transmitting antenna of the MDS transmitter above average ground level and is indicated in the following table.
| Height of Transmitting Antenna above Average Ground Level, Ht*(m) | D(km) |
|---|---|
| Ht 37.5 | 65 |
| 37.5 Ht 75 | 75 |
| 75 Ht 150 | 90 |
| 150 Ht 300 | 110 |
| 300 Ht 600 | 135 |
| 600 Ht 1200 | 175 |
* Ht: the height of the MDS transmitting antenna above the average level of the ground between distances of 3 and 15 km from the transmitter in the direction of the nearest point on the boundary of another MDS licence area (see CCIR Rec 370-5).
[NOTE. Distances for MDS transmitters with heights of transmitting antennas greater than 1200 m above average ground level will be provided by the Customer Services Group of the SMA, if required.]
[NOTE. CCIR Recommendations are available from the Standards Australia International Sales Group, Strathfield NSW.]
A.1.4. If an interference assessment is necessary, the assessment will comprise the following Steps 2, 3 and 4.