Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W1CF callsign genealogy
Currently held by Horan, Christopher A
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 W1CF's current licensee, walking backwards.
- Horan, Christopher ACTgranted 2001-04-17cancelled 2001-06-16
Successor callsigns
Callsigns held now by people who previously held W1CF.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W1CF, oldest first.
- FRIENDS RADIO SOCIETY MI1997-08-21 → cancelled 1999-05-28
- Horan, Christopher A CT2021-08-18 active