Introduction
The goal of this project was to build a small, cheap, light-weight telemetry transmitter to attach to a small bird.
Specifically:
* Telemetry Tranmission should be tuned to the 2-meter band.
* Battery life in the field should exceed 3 months without replacement.
* Range should be 500 meters.
* Weight less than 10 grams.
The Circuit
This wireless telemetry transmitter circuit shown was originally designed by William Cochran (1), with modifications by Charles Walcott.
Reference
1. William W. Cochran; Rexford D. Lord, Jr., A Radio-Tracking System for Wild Animals,
The Journal of Wildlife Management, Vol. 27, No. 1. (Jan., 1963), pp. 9-24.
The goal of this project was to build a small, cheap, light-weight telemetry transmitter to attach to a small bird.
Specifically:
* Telemetry Tranmission should be tuned to the 2-meter band.
* Battery life in the field should exceed 3 months without replacement.
* Range should be 500 meters.
* Weight less than 10 grams.
The Circuit
This wireless telemetry transmitter circuit shown was originally designed by William Cochran (1), with modifications by Charles Walcott.
Reference
1. William W. Cochran; Rexford D. Lord, Jr., A Radio-Tracking System for Wild Animals,
The Journal of Wildlife Management, Vol. 27, No. 1. (Jan., 1963), pp. 9-24.
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