Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W1CFH callsign genealogy
Currently held by Hillenbrand, Chris F
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 W1CFH's current licensee, walking backwards.
- Hillenbrand, Chris FNHgranted 2022-03-08cancelled 2022-04-16
Successor callsigns
Callsigns held now by people who previously held W1CFH.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W1CFH, oldest first.
- GOLDMAN, RALPH F MA2006-10-12 → cancelled 2018-10-13
- Hillenbrand, Chris F NH2022-04-16 active