Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB7FOX callsign genealogy
Currently held by Fox, Calvin L
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 KB7FOX's current licensee, walking backwards.
- Fox, Calvin LUTgranted 2015-02-23cancelled 2021-03-23
Successor callsigns
Callsigns held now by people who previously held KB7FOX.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KB7FOX, oldest first.
- ARNOLD, KENNETH J WA2003-06-13 → cancelled 2015-06-16
- Fox, Calvin L UT2021-03-23 active