Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA1BMF callsign genealogy
Currently held by TOBIO JR, CONSTANTINO
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 KA1BMF's current licensee, walking backwards.
- TOBIO JR, CONSTANTINOCTgranted 2024-08-09cancelled 2024-08-27
Successor callsigns
Callsigns held now by people who previously held KA1BMF.
No current licensee on record previously held this callsign.