https://flyandwire.com/2020/05/03/expanding-my-setup-real-tacan-final-result/
This unserviceable TACAN unit was used by a RAF Jaguar. I bought it on ebay and interfaced it with DCS with a mix of DCS-BIOS and HID.
More info and details are in the link above, along with the draft of the firmware I used.
Thanks to Ali for working out the pinouts!
