Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WO3YP callsign genealogy
Currently held by Gravina, Henrique 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 WO3YP's current licensee, walking backwards.
- Gravina, Henrique BTXgranted 2025-11-26cancelled 2026-02-10
Successor callsigns
Callsigns held now by people who previously held WO3YP.
No current licensee on record previously held this callsign.