Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W1MKS callsign genealogy
Currently held by FINKLE, JONATHAN
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 W1MKS's current licensee, walking backwards.
- FINKLE, JONATHANRIgranted 1999-11-09cancelled 2008-03-11
Successor callsigns
Callsigns held now by people who previously held W1MKS.
No current licensee on record previously held this callsign.