Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KE1AU callsign genealogy
Currently held by KACZOR, 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 KE1AU's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held KE1AU.
No current licensee on record previously held this callsign.