Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AG4PU callsign genealogy
Currently held by GRABOWSKI, EDWARD 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 AG4PU's current licensee, walking backwards.
- Grabowski, Edward SFLgranted 2002-02-05cancelled 2002-03-14
Successor callsigns
Callsigns held now by people who previously held AG4PU.
No current licensee on record previously held this callsign.