Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AJ4UB callsign genealogy
Currently held by Hawthorne, Roger C
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 AJ4UB's current licensee, walking backwards.
- Hawthorne, Roger CFLgranted 2009-07-23cancelled 2009-11-20
Successor callsigns
Callsigns held now by people who previously held AJ4UB.
No current licensee on record previously held this callsign.