Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC9USF callsign genealogy
Currently held by Hoover, David A
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 KC9USF's current licensee, walking backwards.
- Hoover, David ATNgranted 2026-03-10cancelled 2026-05-12
Successor callsigns
Callsigns held now by people who previously held KC9USF.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KC9USF, oldest first.
- Hoover, David A IL2011-09-13 → cancelled 2023-09-14
- Hoover, David A TN2026-05-12 active