Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AD5DU callsign genealogy
Currently held by McCOMBS, RICHARD 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 AD5DU's current licensee, walking backwards.
- MC COMBS, RICHARD DOKgranted 1997-04-16cancelled 2001-04-16
Successor callsigns
Callsigns held now by people who previously held AD5DU.
No current licensee on record previously held this callsign.