Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KF5YOY callsign genealogy
Currently held by Kondziela, Lawrence 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 KF5YOY's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held KF5YOY.
- Kondziela, Lawrence MTXgranted 2024-01-09