Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA4CAL callsign genealogy
Currently held by PHILLIPS, CALVIN F
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 KA4CAL's current licensee, walking backwards.
- PHILLIPS, CALVIN FTNgranted 2000-05-10cancelled 2003-01-14
- KA1UBLno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held KA4CAL.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KA4CAL, oldest first.
- BAKER, JACK V KY1988-06-14 → cancelled 2000-06-15
- PHILLIPS, CALVIN F TN2023-05-04 active