Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N5YYZ callsign genealogy
Currently held by Kryger, Adam M
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 N5YYZ's current licensee, walking backwards.
- Kryger, Adam MAZgranted 2024-07-25cancelled 2025-04-01
Successor callsigns
Callsigns held now by people who previously held N5YYZ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N5YYZ, oldest first.
- HARRISON, CARLTON C TX2012-04-23 → cancelled 2024-04-09
- Kryger, Adam M AZ2025-04-01 active