Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WP4YL callsign genealogy
Currently held by COLLAZO VEGA, HENRY
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 WP4YL's current licensee, walking backwards.
- Vargas Quinones, MiritssaPRgranted 2012-02-16cancelled 2016-12-03
Successor callsigns
Callsigns held now by people who previously held WP4YL.
- VARGAS QUINONES, MIRITSSAPRgranted 2020-09-19
All historical holders
Every license row we've seen with the callsign WP4YL, oldest first.
- COLLAZO VEGA, HENRY PR2000-04-22 → cancelled 2012-07-18
- VARGAS QUINONES, MIRITSSA PR2016-12-03 → cancelled 2020-09-19