Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K1MJB callsign genealogy
Currently held by BAKER, MARTIN J
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 K1MJB's current licensee, walking backwards.
- BAKER, MARTIN JMEgranted 2006-10-16cancelled 2007-04-27
Successor callsigns
Callsigns held now by people who previously held K1MJB.
No current licensee on record previously held this callsign.