Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB3MS callsign genealogy
Currently held by YORK, ALONZO
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 KB3MS's current licensee, walking backwards.
- STARLING, MICHAEL RMDgranted 2014-09-13cancelled 2020-06-30
Successor callsigns
Callsigns held now by people who previously held KB3MS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KB3MS, oldest first.
- YORK, ALONZO DC1995-02-09 → cancelled 2007-02-10
- STARLING, MICHAEL R MD2020-06-30 active