Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC4KA callsign genealogy
Currently held by Day III, Robert 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 KC4KA's current licensee, walking backwards.
- Day III, Robert ENCgranted 2015-02-23cancelled 2015-11-20
Successor callsigns
Callsigns held now by people who previously held KC4KA.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KC4KA, oldest first.
- Tew, Luther G AL2002-12-31 → cancelled 2015-03-31
- Day III, Robert E SC2015-11-20 active