Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K1RBM callsign genealogy
Currently held by MESSIER, ROBERT B
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 K1RBM's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held K1RBM.
No current licensee on record previously held this callsign.