Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AG4SX callsign genealogy
Currently held by Granger, Elmer O
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 AG4SX's current licensee, walking backwards.
- GRANGER, ELMER OTNgranted 1994-11-21cancelled 2002-05-30
- KA4HDOno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held AG4SX.
No current licensee on record previously held this callsign.