Model rocket manufacturer Estes Industries sold a radio-based locating device called Transroc that fit inside the main body of a model rocket or model airplane.

Transroc Cover
I'm interested in radio-based locating devices, including the TRANSROC and associated accessories. If you have one of these devices gathering dust in your attic or basement, send me an e-mail!

More information about the TRANSROC TX-1 transmitter and associated accessories, along with scanned manuals, is available at

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Last updated January 2, 2021