Beacons are installed to locate and track instruments, and are typically used during the recovery of subsea moorings. They can communicate via satellite, radio, or optically using Xenon light flashes.
With satellite beacons, when a mooring is released from the seafloor using an acoustic release, the location of a surfaced mooring is received by satellites that collect messages from a beacon. The messages and measured frequencies are relayed to processing centers via ground stations. The location of the transmitting beacon can be calculated accurately to within 150 metres. Similiarly, when radio beacons surface, they transmit a pulsing radio frequency signal, often VHF, that is detectable within a certain range. Surfaced Xenon models, or Flashers, emit a Xenon light flash that can be detected when within visual range.
Individual instruments of the above category, which are (or have been) connected to our observatories. Click an instrument for detailed information.
|Xeos XMA-11K Argos Beacon 886||Marine Technology Centre|
|Xeos XMA-11K Argos Beacon 891||Marine Technology Centre|
|Xeos XMA-11K Argos Beacon 892||Juan de Fuca Strait|
|Xeos XMA-11K Argos Beacon 963||Marine Technology Centre|
|Xeos XMA-11K Argos Beacon 964||Marine Technology Centre|
|Xeos XMF-11K Micro Flasher 1026||Marine Technology Centre|
|Xeos XMF-11K Micro Flasher 1028||Marine Technology Centre|
|Xeos XMF-11K Micro Flasher 1031||Boundary Pass|
|Xeos XMF-11K Micro Flasher 269||Juan de Fuca Strait|
|Xeos XMF-11K Micro Flasher 335||Marine Technology Centre|
|Xeos XMF-11K Micro Flasher 336||Juan de Fuca Strait|
Click the instrument categories below for descriptions and lists of instruments belonging to that category.