Confidence: Medium · Source: FCC ULS · As of 2026-09-15
AG4HI callsign genealogy
Currently held by Higdon, Michael 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 AG4HI's current licensee, walking backwards.
- Higdon, Michael SKYgranted 1996-04-10cancelled 2001-03-19
- KE4WJIno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held AG4HI.
- Higdon, Michael SKYgranted 2026-04-14cancelled 2026-05-08