Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WP4TD callsign genealogy
Currently held by CRUZ, JORGE 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 WP4TD's current licensee, walking backwards.
- Cruz, Jorge APRgranted 2011-05-05cancelled 2011-06-07
Successor callsigns
Callsigns held now by people who previously held WP4TD.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WP4TD, oldest first.
- CRUZ, JORGE A PR1989-01-24 → cancelled 2001-01-25
- CRUZ, JORGE A FL2021-06-07 active