Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K7SOK callsign genealogy
Currently held by KILLIAN, SPENCER O
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 K7SOK's current licensee, walking backwards.
- KILLIAN, SPENCER OUTgranted 2018-10-18cancelled 2018-11-20
Successor callsigns
Callsigns held now by people who previously held K7SOK.
No current licensee on record previously held this callsign.