Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W0HRO callsign genealogy
Currently held by PFITZER, KENNETH 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 W0HRO's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held W0HRO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W0HRO, oldest first.
- BENSON, WILLIAM MN1987-12-29 → cancelled 1999-12-30
- PFITZER, KENNETH J MO2021-04-13 active