Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WP4HQJ callsign genealogy
Currently held by CRUZ LOPEZ, CARMEN M
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 WP4HQJ's current licensee, walking backwards.
- LABOY, VICTOR EPRgranted 2018-10-17cancelled 2018-11-06
Successor callsigns
Callsigns held now by people who previously held WP4HQJ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WP4HQJ, oldest first.
- CRUZ LOPEZ, CARMEN M PR1998-08-19 → cancelled 2010-08-20
- LABOY, VICTOR E PR2018-11-06 active