Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WP4MHL callsign genealogy
Currently held by PEREZ-ARBELO, JESUS 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 WP4MHL's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held WP4MHL.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WP4MHL, oldest first.
- PEREZ, JOSE PR1993-07-27 → cancelled 2005-07-28
- PEREZ-ARBELO, JESUS M PR2026-06-30 active