Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA3MGS callsign genealogy
Currently held by SEMETHY JR, WILLIAM 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 KA3MGS's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held KA3MGS.
- SEMETHY JR, WILLIAM RPAgranted 2026-07-08