Confidence: Medium · Source: FCC ULS · As of 2026-09-11
KA4WNZ callsign genealogy
Currently held by GIBSON, SHARYN B
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 KA4WNZ's current licensee, walking backwards.
- GIBSON, SHARYN BFLgranted 2023-07-04cancelled 2023-07-25
Successor callsigns
Callsigns held now by people who previously held KA4WNZ.
- GIBSON, ARTHUR EFLgranted 2019-02-20
All historical holders
Every license row we've seen with the callsign KA4WNZ, oldest first.
- GIBSON, ARTHUR E FL2009-11-05 → cancelled 2019-02-20
- GIBSON, SHARYN B FL2023-07-25 active