Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W4MVV callsign genealogy
Currently held by KOETZ JR, FERDINAND
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 W4MVV's current licensee, walking backwards.
- RAWLEY, JUSTIN BNCgranted 2022-02-22cancelled 2022-04-08
Successor callsigns
Callsigns held now by people who previously held W4MVV.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4MVV, oldest first.
- KOETZ JR, FERDINAND FL2005-06-14 → cancelled 2017-09-08
- RAWLEY, JUSTIN B NC2022-04-08 active