Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7FOS callsign genealogy
Currently held by Fosmark, Evan
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 K7FOS's current licensee, walking backwards.
- Fosmark, EvanORgranted 2012-04-13cancelled 2013-03-05
Successor callsigns
Callsigns held now by people who previously held K7FOS.
No current licensee on record previously held this callsign.