Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K6SZ callsign genealogy
Currently held by QUINN, JAMES E
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 K6SZ's current licensee, walking backwards.
- Musselman, Andrew KWAgranted 2017-02-21cancelled 2019-08-09
Successor callsigns
Callsigns held now by people who previously held K6SZ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K6SZ, oldest first.
- QUINN, JAMES E CA1997-04-10 → cancelled 2005-05-31
- McCoy, Chad C TN2007-07-20 → cancelled 2019-07-23
- Musselman, Andrew K WA2019-08-09 active