Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WF0O callsign genealogy
Currently held by BABCOCK, CLARENCE H
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 WF0O's current licensee, walking backwards.
- Hedrick, StephenAZgranted 2019-05-29cancelled 2020-02-01
Successor callsigns
Callsigns held now by people who previously held WF0O.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WF0O, oldest first.
- BABCOCK, CLARENCE H ND2007-10-20 → cancelled 2020-01-14
- Hedrick, Stephen AZ2020-02-01 active