Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KJ0NAB callsign genealogy
Currently held by Babb, Jon A
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 KJ0NAB's current licensee, walking backwards.
- BABB, JON AUTgranted 2020-02-10cancelled 2021-01-08
Successor callsigns
Callsigns held now by people who previously held KJ0NAB.
No current licensee on record previously held this callsign.