Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7CAL callsign genealogy
Currently held by SCHOCK, CALVIN J
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 K7CAL's current licensee, walking backwards.
- SCHOCK, CALVIN Jcancelled 1999-07-09
Successor callsigns
Callsigns held now by people who previously held K7CAL.
No current licensee on record previously held this callsign.