Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WA4HFM callsign genealogy
Currently held by NIZEL, DAVID E
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 WA4HFM's current licensee, walking backwards.
- Nizel, David EFLgranted 2025-01-25cancelled 2025-07-11
Successor callsigns
Callsigns held now by people who previously held WA4HFM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WA4HFM, oldest first.
- NIZEL, DAVID E FL1994-08-11 → cancelled 2006-08-12
- Nizel, David E FL2025-07-11 active