Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KK6FS callsign genealogy
Currently held by WITTROCK, MARTY J
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 KK6FS's current licensee, walking backwards.
- KB6GLWno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held KK6FS.
- Wittrock, Marty JPAgranted 2017-01-24