Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KJ1AZZ callsign genealogy
Currently held by JOHNSTON, RICHARD S
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 KJ1AZZ's current licensee, walking backwards.
- JOHNSTON, RICHARD SNMgranted 2007-10-09cancelled 2007-10-30
Successor callsigns
Callsigns held now by people who previously held KJ1AZZ.
No current licensee on record previously held this callsign.