Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KF2UI callsign genealogy
Currently held by EICKLER, WILLIAM 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 KF2UI's current licensee, walking backwards.
- KB2NWUno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held KF2UI.
- EICKLER, WILLIAM FNYgranted 2025-03-15