Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N9DKA callsign genealogy
Currently held by JAMISON, JOHN 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 N9DKA's current licensee, walking backwards.
- NELLANS, JOSIAH SINgranted 2019-02-05cancelled 2019-09-17
Successor callsigns
Callsigns held now by people who previously held N9DKA.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N9DKA, oldest first.
- JAMISON, JOHN B IL1988-10-25 → cancelled 2000-10-26
- NELLANS, JOSIAH S IN2019-09-17 active