Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC9S callsign genealogy
Currently held by MAC DONALD, GEORGE
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 KC9S's current licensee, walking backwards.
- Parrish, Clint CILgranted 1998-01-07cancelled 2004-01-23
Successor callsigns
Callsigns held now by people who previously held KC9S.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KC9S, oldest first.
- MAC DONALD, GEORGE AR1998-08-10 → cancelled 2001-10-22
- Parrish, Clint C IL2024-01-17 active