Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KN4WW callsign genealogy
Currently held by CANNON, GERALD W
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 KN4WW's current licensee, walking backwards.
- Martinez, Armando SFLgranted 2020-10-07cancelled 2021-11-02
Successor callsigns
Callsigns held now by people who previously held KN4WW.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KN4WW, oldest first.
- CANNON, GERALD W GA1991-02-26 → cancelled 2003-02-27
- Martinez, Armando S FL2021-11-02 active