Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K1FMB callsign genealogy
Currently held by Boardman, Frank 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 K1FMB's current licensee, walking backwards.
- Boardman, Frank MCAgranted 2017-08-24cancelled 2017-10-14
Successor callsigns
Callsigns held now by people who previously held K1FMB.
No current licensee on record previously held this callsign.