Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AG4DL callsign genealogy
Currently held by Grummell, Bernard M
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 AG4DL's current licensee, walking backwards.
- GRUMMELL, BERNARD MFLgranted 1998-01-26cancelled 2000-10-19
Successor callsigns
Callsigns held now by people who previously held AG4DL.
No current licensee on record previously held this callsign.