Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N0BJM callsign genealogy
Currently held by HENRICI, CARL R
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 N0BJM's current licensee, walking backwards.
- Martin, Robert JMOgranted 2006-12-21cancelled 2016-03-11
Successor callsigns
Callsigns held now by people who previously held N0BJM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N0BJM, oldest first.
- HENRICI, CARL R IA1994-07-13 → cancelled 2006-07-14
- Martin, Robert J MO2026-03-05 active