Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KA7EMS callsign genealogy
Currently held by Mathia, Geoffrey 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 KA7EMS's current licensee, walking backwards.
- MATHIA, GEOFFREY RORgranted 1997-10-23cancelled 2004-10-26
Successor callsigns
Callsigns held now by people who previously held KA7EMS.
No current licensee on record previously held this callsign.