Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K3SOB callsign genealogy
Currently held by Churchfield, Terry A
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 K3SOB's current licensee, walking backwards.
- Churchfield, Terry APAgranted 2001-10-19cancelled 2011-03-05
Successor callsigns
Callsigns held now by people who previously held K3SOB.
- Churchfield, Terry APAgranted 2011-06-28cancelled 2013-01-15