Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W4ICU callsign genealogy
Currently held by Sims, Alec 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 W4ICU's current licensee, walking backwards.
- KN4KMcancelledSIMS, ALEC B.cancelled 1997-09-17
Successor callsigns
Callsigns held now by people who previously held W4ICU.
No current licensee on record previously held this callsign.