Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4MIN callsign genealogy
Currently held by GRESHAM, JULIUS W
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 K4MIN's current licensee, walking backwards.
- Yates, William DVAgranted 2012-10-31cancelled 2015-10-23
Successor callsigns
Callsigns held now by people who previously held K4MIN.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4MIN, oldest first.
- GRESHAM, JULIUS W FL1998-01-07 → cancelled 2010-01-08
- Yates, William D VA2025-09-09 active