Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K5APK callsign genealogy
Currently held by Petrasek, John T
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 K5APK's current licensee, walking backwards.
- Petrasek, John TTXgranted 2025-03-20cancelled 2025-04-29
Successor callsigns
Callsigns held now by people who previously held K5APK.
No current licensee on record previously held this callsign.