T-712

Transas T-712 (heading remote transmission device) is a combined compass and GPS-based positioning system, used to determine the position and heading, calculates roll and pitch.

Conforms to standards:

• Technical regulations on the safety of inland water transport facilities (approved by Decree of the Government of the Russian Federation of August 12, 2010 N 623).
• Technical regulations on the safety of maritime transport facilities (approved by Decree of the Government of the Russian Federation of August 12, 2010 N 620).

The T-712 satellite compass is housed in an easy-to-assemble housing (made of white plastic, UV-protective, non-flammable) and requires only one cable for data and command communication with the interface and power supply. The system does not require regular maintenance, as there are no mechanical parts in the design, and the performance of the system is not affected by geomagnetism.

The system is based on Crescent Vector H220™ technology, has two multi-beam antennas and a six-axis sensor. Using two separate antennas spaced 20 cm apart gives a heading value to the nearest 0.750. The primary antenna determines the location, and the secondary, coupled to the primary, determines the course, roll and pitch.

Additional characteristics:

• Refresh rate: 10 Hz, optionally up to 20 Hz for location and heading;

Time to determine the position:

• Cold start (start at which the GPS receiver performs a full download of the almanac. Such a start occurs after the receiver has been turned off for more than a month or has been moved in the off state a significant distance from the place where it was last turned on): 60 seconds (when the receiver is stationary).
• Warm start (this activation occurs after the receiver has been turned off for more than ~30 minutes, since ephemeris is lost (data on the exact position of the satellites, but the almanac remains relevant)): less than 20 seconds.
• Hot start (if the receiver has been turned off for less than ~30 minutes and the almanac and ephemeris data are up to date): 10 seconds.

Maximum speed: 999 knots (1850 km / h).