Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NB9L callsign genealogy
Currently held by Johnson, Robert J
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 NB9L's current licensee, walking backwards.
- Johnson, Robert JILgranted 1995-04-18cancelled 2002-08-13
Successor callsigns
Callsigns held now by people who previously held NB9L.
No current licensee on record previously held this callsign.