Depth of Measurement | |
Position | - An integrated low-power GPS receiver capable of achieving a horizontal position accuracy of ≤ 20 meters (2DRMS), optimized for reliable, interval-based tracking via the Globalstar simplex satellite network.
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Telemetry | - Globalstar Satellite, Smartone C
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Standard Battery Pack | - 6 V, 4S5P alkaline AA cells; estimated 14 Ah capacity
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Lifetime | - Operating life: 1–24 months with standard 14 Ah battery pack, depending on sampling/transmission rate and field conditions. Harsh weather or rough seas can increase GPS acquisition time and transmission retries, reducing battery life.
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Sampling Period | - Fixed: 5 minutes to 12 hours, set at time of manufacture
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Power Mode Switch | - A magnet, held in place with an elastic band, switches the drifter from low-power mode to deployment mode when it is removed.
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Windage Effect | - Less than 2 cm/s at gale force winds
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Weight in Air | |