MR Sydney Communications Centre
Some links and info for Radio Operators *
Alto Radio Buttons
Locations of the Alto radio antennas on Google Maps
Send Tesltra SMS
Unit Monitoring Arrangements
Alto Channel Settings
Radio Check Signal Reports
ROM & MAC Phone
Bridge opening times
for the Spit and other bridges.
Phases of the Moon
Find Distances between Latitudes-Longitudes
Distance calculations between a pair of coordinates
Latitude - Longitude Conversion
Convert formats, such as deg decimal minutes to decimal degrees
Time Add Subtract Hrs. Min.
Adding times to get time-of-day — calculator
Hydro Office Maritime Name Search
Find that cape, bay or feature. Gives lat., long. for pasting into
Find a spot with Google Maps using lat long
* Private use only, not endorsed by Marine Rescue in any way.