Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WD4ECI callsign genealogy
Currently held by DILLER, HENRY M
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 WD4ECI's current licensee, walking backwards.
- DILLER, HENRY MGAgranted 2001-01-25cancelled 2003-05-20
Successor callsigns
Callsigns held now by people who previously held WD4ECI.
No current licensee on record previously held this callsign.