Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KM4JBW callsign genealogy
Currently held by MARTINEZ RODRIGUEZ, GRACIELA
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 KM4JBW's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held KM4JBW.
- MARTINEZ RODRIGUEZ, GRACIELAPRgranted 2015-03-23