Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4EUP callsign genealogy
Currently held by Sayles, Lowell B
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 K4EUP's current licensee, walking backwards.
- Sayles, Lowell BNCgranted 2009-05-13cancelled 2013-09-10
Successor callsigns
Callsigns held now by people who previously held K4EUP.
- DAVIS, ARNOLD EMDgranted 2020-09-09
All historical holders
Every license row we've seen with the callsign K4EUP, oldest first.
- DAVIS, ARNOLD E FL1995-01-17 → cancelled 1999-12-21
- Sayles, Lowell B NC2023-07-08 active