Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AD0RO callsign genealogy
Currently held by Thomas, Richard M
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 AD0RO's current licensee, walking backwards.
- Thomas, Richard MCOgranted 2015-01-09cancelled 2015-12-01
Successor callsigns
Callsigns held now by people who previously held AD0RO.
No current licensee on record previously held this callsign.