Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KV0MAS callsign genealogy
Currently held by Wolken, John M
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 KV0MAS's current licensee, walking backwards.
- Wolken, John MNEgranted 2010-03-02cancelled 2010-03-20
Successor callsigns
Callsigns held now by people who previously held KV0MAS.
No current licensee on record previously held this callsign.