MT3501 IRIDIUM SBD Drifter with Echo Sounding.
Satellite GPS buoy with echo-sounder used for locating and monitoring drifting floating objects. Specially designed for fishing tuna using objects.
Echo-sounder information transmitted to the vessel by the buoy allows the user to monitor the presence or absence of fish under the FAD.
Double supply system: rechargeable batteries with solar panels and pack of alkaline batteries, which provide it with an UNLIMITED AUTONOMY and reliability of operation.
Once activated, the buoys transmit messages with sounder information, GPS position, water temperature and battery level via satellite.
Sounder information shows fish presence under the FAD from 6 to 150 m with a 3-m resolution.
Standby: 2 daily messages with sounder bursts every 2 hours.
Search: a message every 3 hours with sounder bursts every hour for 12 hours.
Recovery: Sounder bursts every 15 minutes. 1 message every 15 minutes for 2 hours.
Flash: Flash on and a message every 15 minutes for 1 hour (1 sounder datum/message).
Poll: Instant message (up to 7 sounder data/message).
Communication costs kept to the minimum with a flat rate fee.
Unlimited autonomy and reliability of operation: Solar rechargeable battery. Without shipping restrictions. With a backup alkaline pack.
Undetectable by radars and to the naked eye.
Sounder gain setting through a telecommand.