Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KX4MV callsign genealogy
Currently held by Nelson, John 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 KX4MV's current licensee, walking backwards.
- Nelson, John SGAgranted 2018-07-31cancelled 2018-08-21
Successor callsigns
Callsigns held now by people who previously held KX4MV.
- Nelson, John STNgranted 2022-02-23