Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC4XL callsign genealogy
Currently held by SCHWARTZ, NED S
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 KC4XL's current licensee, walking backwards.
- SCHWARTZ, NED SFLgranted 2016-05-05cancelled 2018-11-09
Successor callsigns
Callsigns held now by people who previously held KC4XL.
- POOLE, WAYNE FSCgranted 2020-09-18
All historical holders
Every license row we've seen with the callsign KC4XL, oldest first.
- POOLE, WAYNE F FL1996-03-14 → cancelled 2000-12-16
- SCHWARTZ, NED S FL2018-11-09 active