Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W0FCC callsign genealogy
Currently held by Warner, Ryan 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 W0FCC's current licensee, walking backwards.
- Warner, Ryan JMNgranted 2014-09-25cancelled 2017-10-20
Successor callsigns
Callsigns held now by people who previously held W0FCC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W0FCC, oldest first.
- KRUEGER, CONRAD P MN2007-06-27 → cancelled 2015-09-30
- Warner, Ryan J MN2017-10-20 active