Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W6RSZ callsign genealogy
Currently held by FRANUSICH, MARK P
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 W6RSZ's current licensee, walking backwards.
- FRANUSICH, MARK PCAgranted 2007-09-14cancelled 2010-10-19
Successor callsigns
Callsigns held now by people who previously held W6RSZ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W6RSZ, oldest first.
- FRANUSICH, PAUL N CA2007-09-05 → cancelled 2010-01-21
- FRANUSICH, MARK P CA2020-09-02 active