Confidence: Medium · Source: FCC ULS · As of 2026-09-09
AD0YR callsign genealogy
Currently held by Fethkenher, Roger
The FCC publishes a previous_call_sign on
every amateur license — a self-link to the licensee's prior callsign.
Following those links produces the chain below.
Previous callsigns
Older callsigns held by AD0YR's current licensee, walking backwards.
- Fethkenher, RogerMOgranted 2016-11-30cancelled 2017-06-23
Successor callsigns
Callsigns held now by people who previously held AD0YR.
No current licensee on record previously held this callsign.