Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WY7U callsign genealogy
Currently held by SWEETWATER AMATEUR RADIO CLUB
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 WY7U's current licensee, walking backwards.
- KC7LORcancelledRICHARDS, KERRY Wcancelled 1998-12-09
Successor callsigns
Callsigns held now by people who previously held WY7U.
- HORNBURG, CHARLES FTXgranted 2006-08-08cancelled 2013-03-04