Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WP4WHB callsign genealogy
Currently held by HERNANDEZ BADILLO, WILLIAM
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 WP4WHB's current licensee, walking backwards.
- HERNANDEZ BADILLO, WILLIAMPRgranted 2022-03-07cancelled 2022-03-25
Successor callsigns
Callsigns held now by people who previously held WP4WHB.
No current licensee on record previously held this callsign.