Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7USR callsign genealogy
Currently held by Antonetti, Kathryn M
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 K7USR's current licensee, walking backwards.
- Antonetti, Kathryn MWAgranted 2015-03-10cancelled 2016-07-06
Successor callsigns
Callsigns held now by people who previously held K7USR.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K7USR, oldest first.
- BOLDING, GEORGE A NV2006-08-17 → cancelled 2016-02-14
- Antonetti, Kathryn M WA2026-04-10 active