Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KF0MB callsign genealogy
Currently held by BRANDT, JOHN 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 KF0MB's current licensee, walking backwards.
- BRANDT, JOHN CIAgranted 2004-02-23cancelled 2004-04-06
Successor callsigns
Callsigns held now by people who previously held KF0MB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KF0MB, oldest first.
- BRANDT, JOHN C IA1991-11-12 → cancelled 2003-11-13
- BRANDT, JOHN C IA2014-02-07 → cancelled 2026-04-07