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Comparison of navigation and tracking systems

comparison table

  RedWAVE underwater GPS RWLT Zima USBL WAYU uWAVE USBL
System configuration LBL LBL USBL LBL USBL
Place of generation of navigation information Submerged
object
Surface
control
point
Surface
control
point
Surface
control
point
Surface
control
point
Number of positioning objects 1 up to 231 1 up to 201
Nominal navigation data update period 1 sec 2 sec ≥ 3.62 sec 2 sec ≥ 3.62 sec
Maximum work area size 700 х 700 m 1500 x 1500 m Circle R = 8000 m 300 x 300 m Circle R = 1000 m
Nominal accuracy 2DRMS 0.84 m 2DRMS 0.84 m 1° (≈17 m at a distance of 1000 m) 2DRMS 2 m 2° (≈35 m at a distance of 1000 m)
Maximal depth 3003 m 3003 m 300 m 100 m 300 m
Navigation data Latitude,
Longitude,
Depth,
Temperature,
Time UTC6,
Course
Latitude,
Longitude,
Depth4,
Temperature4,
Course
Distance,
Azimuth,
Depth,
Battery voltage,
Latitude5,
Longitude5
Latitude,
Longitude,
Course
Distance,
Azimuth,
Depth,
Battery voltage,
Latitude4,
Longitude5
Maximal relative velocity ±1.8 m/s ±1.8 m/s ±2 m/s ±1 m/s ±1 m/s
Deployment features Requires 4 floating buoys to be deployed Requires 4 floating buoys to be deployed Requires fixing the base station on a rigid rod and connecting an external GPS and compass Requires 4 floating buoys to be deployed Requires fixing the base station on a rigid rod and connecting an external GPS and compass
Distinctive feature Unlimited number of simultaneously positioned devices Divers positioning simultaneously with voice transmission Control code transmission function The most affordable solution for amateurs Two-way data transmission

1 The maximum number of transponder beacons supported to be processed sequentially is specified.
2 The minimum value is indicated when working with one transponder beacon located at a distance of up to 100 meters from the base station
3 For the diving version, the maximum depth is 70 m
4 The parameters are available only when working with the RWLT pinger. When positioning diving telephone devices, these parameters are not available.
5 These parameters are available only when external sources of navigation data are connected: course and base station geo position
6 These parameters are not available in the diver’s version