Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KN4NO callsign genealogy
Currently held by SNELLGROVE SR, GREGORY 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 KN4NO's current licensee, walking backwards.
- Jackson, Willard RKYgranted 2018-06-27cancelled 2021-05-18
Successor callsigns
Callsigns held now by people who previously held KN4NO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KN4NO, oldest first.
- SNELLGROVE SR, GREGORY S GA2002-05-15 → cancelled 2014-08-12
- Jackson, Willard R KY2021-05-18 active