Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AG4SU callsign genealogy
Currently held by BOSTON, HAROLD 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 AG4SU's current licensee, walking backwards.
- Boston, Harold SKYgranted 1995-07-13cancelled 2002-05-29
Successor callsigns
Callsigns held now by people who previously held AG4SU.
No current licensee on record previously held this callsign.