Within the Asia and SW Australia region there are 2 beams available for use, these 2 beams are IOR and 25E.
Within Australia and New Zealand region there are 2 beams available for use, these 2 beams are 143.5E and POR.
For more detailed information on which beam is most suited to your work location, VeriChart is available from the download section. VeriChart provides more detailed information in relation to the beam providing azimuth and elevation to the beam from your worksite.
Below is the chart showing L-Band Beams in FarEast region: