Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K1KEU callsign genealogy
Currently held by Ulffe Whu, Gustavo 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 K1KEU's current licensee, walking backwards.
- Ulffe Whu, Gustavo EGAgranted 2019-09-16cancelled 2019-10-04
Successor callsigns
Callsigns held now by people who previously held K1KEU.
No current licensee on record previously held this callsign.