Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4YCP callsign genealogy
Currently held by LEE, JACK E
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 W4YCP's current licensee, walking backwards.
- Sumner, Michael WGAgranted 2022-02-25cancelled 2022-03-22
Successor callsigns
Callsigns held now by people who previously held W4YCP.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4YCP, oldest first.
- LEE, JACK E FL2006-12-14 → cancelled 2018-11-22
- Sumner, Michael W GA2022-03-22 active