AN INEXPENSIVE DATA-COLLECTION SYSTEM FOR TEMPERATURE TELEMETRY

We describe highly mobile, inexpensive home-built data recording syste ms for use in temperature telemetry. Each system, composed of a receiv er, a tape recorder, a battery pack, and a timer, records signals from a single individual. The timer simultaneously activates the recorder and receiver for an adjustable recording period at time intervals whic h may be varied from 28 s to 64 h. The described systems require both calibration for the effects of tape recorder speed and manual transcri ption of data, but they are cost-effective when tracking highly disper sed individuals. With modification of peripheral devices, these system s may be adapted for a variety of remote data collection needs.