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Comparison of navigation and tracking systems

Comparison table of navigation systems

  RedWAVE underwater GPS RWLT RWLT +
RedPhone-DX
Zima2 USBL uWAVE USBL WAYU
System configuration LBL LBL LBL USBL USBL LBL
Place of generation of navigation information Submerged
object
Surface
control
point
Surface
control
point
Surface
control
point
Surface
control
point
Surface
control
point
Number of positioning objects 1 up to 2551 up to 161 up to 201 1
Nominal navigation data update period 1 sec 2 sec at the end of each voice message from a diver ≥ 12 sec ≥ 3.62 sec 2 sec
Maximum work area size 700 х 700 m 1500 x 1500 m 1500 x 1500 m Circle R = 3000 m Circle R = 1000 m 300 x 300 m
Nominal accuracy 2DRMS 0.84 m 2DRMS 0.84 m 2DRMS 0.84 m 1° (≈17 m at a distance of 1000 m) 2° (≈35 m at a distance of 1000 m) 2DRMS 1.48 m
Maximal depth 3003 m 3003 m 70 m 300 m 300 m 100 m
Navigation data Latitude,
Longitude,
Depth,
Temperature,
Time UTC6,
Course
Latitude,
Longitude,
Depth4,
Temperature4,
Course
Latitude,
Longitude
Distance,
Azimuth,
Depth,
Battery voltage,
Latitude5,
Longitude5
Distance,
Azimuth,
Depth,
Battery voltage,
Latitude4,
Longitude5
Latitude,
Longitude,
Course
Maximal relative velocity ±1.8 m/s ±1.8 m/s ±1.8 m/s ±2 m/s ±1 m/s ±2 m/s
Deployment features Requires 4 floating buoys to be deployed 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 fixing the base station on a rigid rod and connecting an external GPS and compass Requires 4 floating buoys to be deployed
Distinctive feature - Unlimited number of simultaneously positioned devices,
- Ability to connect to AQUATAB-S diver’s tablet
Divers positioning simultaneously with voice transmission Divers positioning simultaneously with voice transmission Automatic tracking Two-way data transmission The most affordable solution for amateurs

1 The maximum number of devices 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