The Seatrack 220/320 represents a new generation GPS transponder used in 3D and vertical seismic surveys for streamer tailbuoy / gunfloat positioning, as well as marine operations such as barge management, and vessel traffic monitoring. It includes a 12-channel, high-performance GPS receiver, a synthesized UHF radio, antennas and a communication computer packaged in a robust, self-contained unit.
Seatrack 220 技术参数:
性能
精度:1m
更新率:可达1Hz
GNSS
GPS L1
无线电
UHF
频率:450-470MHz
通道分离:12.5kHz
发射功耗:0.5W
量程:15km(可视距离)