Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WI4IW callsign genealogy
Currently held by HEREDERO, CARLOS A
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 WI4IW's current licensee, walking backwards.
- HEREDERO, CARLOS AFLgranted 2008-09-09cancelled 2015-06-30
Successor callsigns
Callsigns held now by people who previously held WI4IW.
No current licensee on record previously held this callsign.