Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4YCZ callsign genealogy
Currently held by Main, Jack R
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 W4YCZ's current licensee, walking backwards.
- Main, Brian PVAgranted 2024-04-18cancelled 2024-05-07
Successor callsigns
Callsigns held now by people who previously held W4YCZ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4YCZ, oldest first.
- Main, Jack R VA2004-10-28 → cancelled 2017-01-27
- Main, Brian P NC2024-05-07 active