Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4MHV callsign genealogy
Currently held by Vaughan, Michael H
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 W4MHV's current licensee, walking backwards.
- Vaughan, Michael HSCgranted 2021-06-21cancelled 2021-07-09
Successor callsigns
Callsigns held now by people who previously held W4MHV.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4MHV, oldest first.
- LAWSON, LOGAN B KY2006-10-30 → cancelled 2019-02-12
- Vaughan, Michael H SC2021-07-09 active