Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4MKA callsign genealogy
Currently held by Austin, Michael K
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 W4MKA's current licensee, walking backwards.
- Austin, Michael KNCgranted 2017-04-20cancelled 2018-04-27
Successor callsigns
Callsigns held now by people who previously held W4MKA.
No current licensee on record previously held this callsign.