Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KZ1AMY callsign genealogy
Currently held by ZWIRKO, AMY A
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 KZ1AMY's current licensee, walking backwards.
- Zwirko, Amy AVAgranted 2003-08-04cancelled 2003-08-29
Successor callsigns
Callsigns held now by people who previously held KZ1AMY.
No current licensee on record previously held this callsign.