Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4CAL callsign genealogy
Currently held by Cook, Joyce E
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 K4CAL's current licensee, walking backwards.
- Davis, Cynthia HALgranted 2025-04-19cancelled 2025-05-13
Successor callsigns
Callsigns held now by people who previously held K4CAL.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4CAL, oldest first.
- CARPENTER, DAVID T AL2005-05-31 → cancelled 2011-05-05
- Cook, Joyce E AL2013-04-16 → cancelled 2025-04-17
- Davis, Cynthia H AL2025-05-13 active