Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KA9USA callsign genealogy
Currently held by Moog, Sandra R
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 KA9USA's current licensee, walking backwards.
- Moog, Sandra RWIgranted 2004-02-02cancelled 2004-02-24
Successor callsigns
Callsigns held now by people who previously held KA9USA.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KA9USA, oldest first.
- TRI STATE 440 CLUB IN1999-01-13 → cancelled 2001-02-26
- Moog, Sandra R WI2014-05-28 → cancelled 2026-03-06