Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KB1HBM callsign genealogy
Currently held by CRYAN, JAMES D
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 KB1HBM's current licensee, walking backwards.
- CRYAN, JAMES DMAgranted 1991-10-29cancelled 2001-08-01
Successor callsigns
Callsigns held now by people who previously held KB1HBM.
No current licensee on record previously held this callsign.