Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4EPM callsign genealogy
Currently held by RIDGEWAY, MILTON 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 K4EPM's current licensee, walking backwards.
- Holt, John LVAgranted 2014-05-19cancelled 2015-06-23
Successor callsigns
Callsigns held now by people who previously held K4EPM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4EPM, oldest first.
- RIDGEWAY, MILTON S VA2011-03-23 → cancelled 2015-05-19
- Holt, John L VA2025-05-14 active