Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AJ4RB callsign genealogy
Currently held by Blaisdell, Ronald B
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 AJ4RB's current licensee, walking backwards.
- Blaisdell, Ronald BFLgranted 2007-03-29cancelled 2007-05-12
Successor callsigns
Callsigns held now by people who previously held AJ4RB.
No current licensee on record previously held this callsign.