Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WB4CAL callsign genealogy
Currently held by HAWKINS JR, COY 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 WB4CAL's current licensee, walking backwards.
- MC DUFFIE, CALCI JFLgranted 2021-10-18cancelled 2021-12-11
Successor callsigns
Callsigns held now by people who previously held WB4CAL.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WB4CAL, oldest first.
- HAWKINS JR, COY E FL1990-02-06 → cancelled 2002-03-07
- MC DUFFIE, CALCI J FL2021-12-11 active