Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AD0WD callsign genealogy
Currently held by RYSTROM, RICHARD F
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 AD0WD's current licensee, walking backwards.
- RYSTROM, RICHARD FIAgranted 2016-09-28cancelled 2016-11-03
Successor callsigns
Callsigns held now by people who previously held AD0WD.
No current licensee on record previously held this callsign.