Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W6MVT callsign genealogy
Currently held by ZEILER, SAMUEL F
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 W6MVT's current licensee, walking backwards.
- GUERIN, MICHAEL WCAgranted 1996-01-16cancelled 2004-11-10
Successor callsigns
Callsigns held now by people who previously held W6MVT.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W6MVT, oldest first.
- ZEILER, SAMUEL F CA1988-10-25 → cancelled 2000-10-26
- GUERIN, MICHAEL W CA2024-09-04 active