Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K1OLY callsign genealogy
Currently held by Horgen, Charles W
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 K1OLY's current licensee, walking backwards.
- Horgen, Charles WCTgranted 1996-03-22cancelled 2005-08-30
Successor callsigns
Callsigns held now by people who previously held K1OLY.
No current licensee on record previously held this callsign.