Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7OPC callsign genealogy
Currently held by Olsen, Joseph S
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 K7OPC's current licensee, walking backwards.
- Olsen, Joseph SORgranted 2010-03-16cancelled 2015-07-07
Successor callsigns
Callsigns held now by people who previously held K7OPC.
No current licensee on record previously held this callsign.