Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KY9S callsign genealogy
Currently held by Pacifico, David 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 KY9S's current licensee, walking backwards.
- Pacifico, David BWIgranted 2018-01-03cancelled 2020-06-26
Successor callsigns
Callsigns held now by people who previously held KY9S.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KY9S, oldest first.
- JARVIS, TIMOTHY G IL2008-02-26 → cancelled 2020-04-29
- Pacifico, David B WI2020-06-26 active