Wireless Hydrophone System JSATS Acoustic Autonomous Receiver/Datalogger
Lotek JSATS compatible wireless hydrophone system WHS 4350 is an autonomous, submersible receiver/datalogger that detects, decodes and records the presence of JSATS transmitters. WHS 4350 is an affordable, compact, and lightweight system that enables researchers to utilize the smallest acoustic tags available. Digital BPSK binary phase shift keying coding algorithm permits over 65,000 unique ID codes on a single frequency (416.7 kHz) and sub-millisecond ID burst is robust against code collision in multi-tag congregations and multipath reverberant environments.
Increased Sensitivity Omni-Directional Spherical Piezo or Cylindrical Piezo compatible
2 or 4 Lithium D-Cell Battery variants
Sensor options include: Pressure, Temperature, and Tilt
Salmon smolt survival studies, fish passage/guidance efficiency studies, habitat utilization and species interaction studies, migration timing and behavior, fine scale 2D positioning with Lotek UMAP positioning software. A cost effective solution in both flat and fast moving water.
JSATS system deployed off the coast of Spain
Using data generated with UMAP, then processed and filtered in R, this animation shows the activity of marine animals; pearly razor fish, n = 320, Common pandora, n = 6, Sand Steenbras, n = 1, Sea bream and Rough Ray, n = 3.”
1. Operational life based on 2 lithium primary D-cells. Operational life may vary slightly based on beacon schedule and ambient temperature.
2. Operational life based on 4 lithium primary D-cells. Operational life may vary slightly based on beacon schedule and ambient temperature.
Operating temperature range: 0°C to 50°C
Operating frequency: 416.7 KHz
Decoding: BPSK compatible with JSATS AMT 31-bit (7-bit Barker; 16-bit ID; 8-bit CRC)
Data File Format Header, time, date, tag ID, relative signal strength, diagnostic information
Diagnostic Information Memory status, battery voltage, total no.
detections, no. detections in last hr.
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