Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4DAY callsign genealogy
Currently held by Day, Ernest 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 K4DAY's current licensee, walking backwards.
- Day, Ernest ETNgranted 2010-02-25cancelled 2010-07-27
Successor callsigns
Callsigns held now by people who previously held K4DAY.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4DAY, oldest first.
- RUGGLES, DAVID M TX1991-06-11 → cancelled 2003-06-12
- Day, Ernest E TN2020-05-12 active