Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KR4MFV callsign genealogy
Currently held by Kirsche, Stephen M
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 KR4MFV's current licensee, walking backwards.
- Kirsche, Stephen MFLgranted 2026-05-13cancelled 2026-05-15
Successor callsigns
Callsigns held now by people who previously held KR4MFV.
- Kirsche, Stephen MFLgranted 2026-07-07