Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KJ7SQ callsign genealogy
Currently held by Oldfield, Robert H
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 KJ7SQ's current licensee, walking backwards.
- N4WYUno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held KJ7SQ.
- Oldfield, Robert HAZgranted 2003-04-22cancelled 2015-06-09