Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7WIO callsign genealogy
Currently held by Foisie, Charles 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 K7WIO's current licensee, walking backwards.
- Foisie, Charles AWAgranted 2018-11-28cancelled 2018-12-18
Successor callsigns
Callsigns held now by people who previously held K7WIO.
- Foisie, Charles AWAgranted 2018-12-18