Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC9AAA callsign genealogy
Currently held by MOON, CLIVE 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 KC9AAA's current licensee, walking backwards.
- MOON, CLIVE DILgranted 2007-05-29cancelled 2008-04-29
Successor callsigns
Callsigns held now by people who previously held KC9AAA.
- SAYRE, THOMAS MFLgranted 2021-07-21
All historical holders
Every license row we've seen with the callsign KC9AAA, oldest first.
- SAYRE, THOMAS M IL2001-07-23 → cancelled 2001-09-18
- MOON, CLIVE D UT2018-02-02 active