Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W0FFF callsign genealogy
Currently held by Riedl, Joseph 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 W0FFF's current licensee, walking backwards.
- Riedl, Joseph FKSgranted 2009-04-14cancelled 2009-05-08
Successor callsigns
Callsigns held now by people who previously held W0FFF.
No current licensee on record previously held this callsign.