Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N4MDV callsign genealogy
Currently held by Valentine, Michael D
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 N4MDV's current licensee, walking backwards.
- Valentine, Michael DKYgranted 2009-09-24cancelled 2014-03-21
Successor callsigns
Callsigns held now by people who previously held N4MDV.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4MDV, oldest first.
- SHALL, LEWIS H AL2001-06-26 → cancelled 2013-09-18
- Valentine, Michael D KY2024-02-06 active