Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AD4YC callsign genealogy
Currently held by WEBB, MICHAEL D
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 AD4YC's current licensee, walking backwards.
- AA1GEno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held AD4YC.
- WEBB, MICHAEL DUTgranted 2024-05-01