Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K6SUZ callsign genealogy
Currently held by McCormack, Susan
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 K6SUZ's current licensee, walking backwards.
- McCormack, SusanCAgranted 2006-06-27cancelled 2014-01-07
Successor callsigns
Callsigns held now by people who previously held K6SUZ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K6SUZ, oldest first.
- ROTHSCHILD, ERNEST L CA1998-08-26 → cancelled 2010-08-27
- McCormack, Susan CA2024-01-12 active