Back / Track Pack for Telemetry devices (Referred to as Marshalls Track
Telemetry Back/Track Pack
This is not a Marshall Trackpack But is also made of high quality teflon to ensure your birds health and safety.
Back pack for most telemetry/GPS devices which have a hooked spring clip.
Please be careful when fitting this item to ensure the birds comfort and safety and if needed seek professional help to fit this to your bird.
There are multiple video tutorials on the web.
This method is an alternative to tail or leg mounts.