Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KM0FEZ callsign genealogy
Currently held by schaffer, Jason C
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 KM0FEZ's current licensee, walking backwards.
- schaffer, Jason CCAgranted 2021-07-07cancelled 2021-07-27
Successor callsigns
Callsigns held now by people who previously held KM0FEZ.
No current licensee on record previously held this callsign.