Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KC7WYO callsign genealogy
Currently held by Wolf, Terry D
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 KC7WYO's current licensee, walking backwards.
- Wolf, Terry DWYgranted 2021-04-20cancelled 2021-05-11
Successor callsigns
Callsigns held now by people who previously held KC7WYO.
- ROSENCRANTZ, RANDY SUTgranted 2021-02-19
All historical holders
Every license row we've seen with the callsign KC7WYO, oldest first.
- ROSENCRANTZ, RANDY S UT2007-04-03 → cancelled 2011-03-18
- Wolf, Terry D WY2021-05-11 active