Multimedia Gallery - Radio telemetry towers, like this one in Alabama, pick up signals from transmitters on the birds. | NSF - National Science Foundation
![File:Rick Wallen prepares the radio telemetry device (c5c5daab-2add-4d9d-a3f9-b86d399d1f21).jpg - Wikimedia Commons File:Rick Wallen prepares the radio telemetry device (c5c5daab-2add-4d9d-a3f9-b86d399d1f21).jpg - Wikimedia Commons](https://upload.wikimedia.org/wikipedia/commons/thumb/6/68/Rick_Wallen_prepares_the_radio_telemetry_device_%28c5c5daab-2add-4d9d-a3f9-b86d399d1f21%29.jpg/2560px-Rick_Wallen_prepares_the_radio_telemetry_device_%28c5c5daab-2add-4d9d-a3f9-b86d399d1f21%29.jpg)
File:Rick Wallen prepares the radio telemetry device (c5c5daab-2add-4d9d-a3f9-b86d399d1f21).jpg - Wikimedia Commons
![The principle of radio telemetry: a tag/transmitter is inserted in or... | Download Scientific Diagram The principle of radio telemetry: a tag/transmitter is inserted in or... | Download Scientific Diagram](https://www.researchgate.net/publication/292786932/figure/fig6/AS:927050785378306@1598037539999/2-The-principle-of-radio-telemetry-a-tag-transmitter-is-inserted-in-or-attached-to-the.png)