Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W0AOK callsign genealogy
Currently held by Balsick, Mark S
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 W0AOK's current licensee, walking backwards.
- Balsick, Mark SCOgranted 2007-05-07cancelled 2016-11-04
Successor callsigns
Callsigns held now by people who previously held W0AOK.
No current licensee on record previously held this callsign.