In the 1970’s wildlife biologists didn’t have much choice when it came to GPS tracking devices. They could purchase a VHF transmitter that was either big and heavy or big and heavy. Fast forward almost 50 years. Choices for a GPS...
Read moreIn the 1970’s wildlife biologists didn’t have much choice when it came to GPS tracking devices. They could purchase a VHF transmitter that was either big and heavy or big and heavy. Fast forward almost 50 years. Choices for a GPS...
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