Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KF4YMX callsign genealogy
Currently held by SYCK JR, PAUL
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 KF4YMX's current licensee, walking backwards.
- SYCK JR, PAULcancelled 1998-05-18
Successor callsigns
Callsigns held now by people who previously held KF4YMX.
No current licensee on record previously held this callsign.