Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N9KDS callsign genealogy
Currently held by SLIFER, KIRBY D
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 N9KDS's current licensee, walking backwards.
- SLIFER, KIRBY DOKgranted 2008-05-27cancelled 2008-06-24
Successor callsigns
Callsigns held now by people who previously held N9KDS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N9KDS, oldest first.
- STAFFORD, GALE R IL1990-11-06 → cancelled 2002-11-07
- SLIFER, KIRBY D IN2018-04-10 active