Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4YRK callsign genealogy
Currently held by Tucker, Ulis L
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 W4YRK's current licensee, walking backwards.
- Pasanen, York WFLgranted 2024-06-11cancelled 2024-07-02
Successor callsigns
Callsigns held now by people who previously held W4YRK.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4YRK, oldest first.
- Tucker, Ulis L FL2004-08-19 → cancelled 2016-11-17
- Pasanen, York W FL2024-07-02 active