Aquatic & Fisheries DST GPS Star-Oddi.com

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DST GPS measures temperature, pressure (depth) and listens to an acoustic GPS signal from sonar. Data is stored in a non-volatile internal memory. All recordings are time related, utilising a real time clock inside the recorder.

The DST GPS is equipped with unique user specified features for optimising the tag's performance when receiving GPS position.

Technical Specifications - DST GPS Position, Depth and Temperature recording fish tag

Sensors GPS acoustic receiver, temperature & depth
GPS receiving radius:
-From SP70 Sonar (Simrad)
-From Star-Oddi Fish Positioning Sounder
  
  >4 Km distance radius
  >600 m
Size (diameter x length)
15 mm  x 46 mm
Weight (in air/in water)
20.4g / 13g
Total memory capacity:
174,300 recordings*
Memory 110K (80k GPS + 30K TD)
Memory type
Non-volatile EEPROM
Temperature range
-1°C to +40°C (30°F to 104°F)
Resolution temperature
0.032°C (0.058°F)
Accuracy temperature
+/-0.1°C (0.18°F)
Depth range
Up to 3000 m**
 
 
Resolution depth
0.03% of full scale (FS)
Accuracy depth
+/-0.4% of selected range +/-5 cm (5mbar)
Clock
Real time clock.  Accuracy +/-1 min/month
Sampling interval
User programmable in the SeaStar software
Number of intervals
1 to 7 different intervals
Communications
RF wireless through the communication box
Battery life
3 years***
Data retention
25 years
Attachment hole
0.9 mm (in diameter)


* Divided by the three parameters. Number of positions recorded will depend on number of times the tagged fish is within the range of GPS sonar/transmitter.
**Customer specified.
*** Depending on programmed sampling interval.
Specifications may change without notice.

  • With the use of the communication box and the SeaStar software, the user programs the DST GPS with start date/time and sampling interval
  • Programming option of up to 7 sampling intervals and number of samplings within each interval
  • Option for defining a special interval, making the tag shift to a different sampling interval after each received GPS position
  • The DST GPS can be programmed to perform a series of measurements at detection of a position
  • When programming the tag, the user gets information in the software on the tag's memory usage and the expected battery lifetime
The GPS system has been tested in co-operation with researchers and research institutes in Norway and Iceland.

Aquatic & Fisheries Research