Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WF1H callsign genealogy
Currently held by CALLAHAN, BRUCE B
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 WF1H's current licensee, walking backwards.
- Beatty, Jonathan RCTgranted 2010-09-22cancelled 2012-05-26
Successor callsigns
Callsigns held now by people who previously held WF1H.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WF1H, oldest first.
- CALLAHAN, BRUCE B MA2000-09-08 → cancelled 2012-04-25
- Beatty, Jonathan R CT2022-03-08 active