Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W0HAF callsign genealogy
Currently held by Hafner, Michael J
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 W0HAF's current licensee, walking backwards.
- Hafner, Michael JIAgranted 2018-09-18cancelled 2018-10-06
Successor callsigns
Callsigns held now by people who previously held W0HAF.
No current licensee on record previously held this callsign.