Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K1MVC callsign genealogy
Currently held by Sheffield, Jason
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 K1MVC's current licensee, walking backwards.
- Sheffield, JasonNJgranted 2021-05-21cancelled 2022-04-30
Successor callsigns
Callsigns held now by people who previously held K1MVC.
No current licensee on record previously held this callsign.