Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KN4AMY callsign genealogy
Currently held by Jackson, Robert G
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 KN4AMY's current licensee, walking backwards.
- Grooms, Amy MNCgranted 2017-08-21cancelled 2021-05-25
Successor callsigns
Callsigns held now by people who previously held KN4AMY.
- Jackson III, Robert GALgranted 2017-02-24
All historical holders
Every license row we've seen with the callsign KN4AMY, oldest first.
- Jackson, Robert G AL2017-01-30 → cancelled 2017-02-24
- Grooms, Amy M NC2021-05-25 active