Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4VMG callsign genealogy
Currently held by OCKOSKIS, WALTER C
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 K4VMG's current licensee, walking backwards.
- Holmes, John WTXgranted 2019-05-14cancelled 2019-06-11
Successor callsigns
Callsigns held now by people who previously held K4VMG.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4VMG, oldest first.
- OCKOSKIS, WALTER C SC1995-07-11 → cancelled 2007-07-12
- Holmes, John W TX2019-06-11 active