Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4MDY callsign genealogy
Currently held by GREAR, CLYDE H
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 K4MDY's current licensee, walking backwards.
- Williamson, Amanda GALgranted 2020-08-17cancelled 2021-04-16
Successor callsigns
Callsigns held now by people who previously held K4MDY.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4MDY, oldest first.
- GREAR, CLYDE H FL1995-03-09 → cancelled 2007-03-10
- Williamson, Amanda G AL2021-04-16 active