Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA0TMB callsign genealogy
Currently held by Buesing, Thomas 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 KA0TMB's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held KA0TMB.
No current licensee on record previously held this callsign.