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GPS/GSM 20-70 50g Patagial Transmitter

GPS/GSM 20-70 50g Patagial TransmitterFeatures

  • Solar-powered, rechargeable battery
  • Microprocessor-controlled power management
  • Internal multi-channel micro-power GPS receiver
  • SBAS capable (WAAS, EGNOS, and QZSS)
  • GPS horizontal accuracy ±18 m
  • GPS vertical accuracy ±22 m
  • GPS resolution 0.00001 degree (~1 meter at equator)
  • Dynamically adjusting GPS fix rate (1-minute minimum with current software version)
  • Archive capacity of up to 258,000 locations
  • Reinforced antenna base
  • Operating lifetime up to 3 years

Dimensions* Length: 2.32 in (5.89 cm)  x  Width: 2.15 in (5.46 cm)  x  Height: 0.82 in (2.08 cm)
Antenna: 3.35 in (8.51 cm) protruding from the back edge of the transmitter
Sensors GPS (latitude, longitude, altitude, speed, course, HDOP, VDOP, and number of GPS satellites), temperature, battery voltage, activity
Construction The housing is constructed from a lightweight glass-reinforced epoxy composite material with a contiguous interior metal-plated coating. The unit is hermetically sealed with a metal-to-metal solder joint providing stability during changes in temperature and humidity. The solar array is encapsulated in silicone and covered with a polycarbonate window for added durability. Additional hardware is included for patagial attachment.
Attachment options Patagial
Color options Standard Finish: classic, dark brown, medium brown, gray, white, black
Example species California Condor
* Mounting posts not included in these dimensions.


Our satellite GPS-equipped PTTs have had a significant impact on the conservation of California Condors. The high-resolution location data have been crucial in helping to reestablish a more stable population of the species in western North America. GPS/GSM 20-70 50g Patagial Transmitters continue to aid this endeavor, providing greater frequency location data for careful monitoring of these endangered birds.

We recently visited our colleagues at Pinnacles National Park who shared with us the ongoing success of the California Condor Recovery Program. Read more about our experience at Pinnacles National Park in our 2018 Spring Newsletter.

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