Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WP4IR callsign genealogy
Currently held by CARIBBEAN DX CLUB
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 WP4IR's current licensee, walking backwards.
- WP4NXBcancelledCarebbean DX ClubPRgranted 2008-04-30cancelled 2009-07-03
Successor callsigns
Callsigns held now by people who previously held WP4IR.
- NP4LHcancelledCARIBBEAN DX CLUBPRgranted 2019-09-21cancelled 2020-06-01
All historical holders
Every license row we've seen with the callsign WP4IR, oldest first.
- ROSADO, MIGUEL A PR1997-03-03 → cancelled 2009-03-04
- CARIBBEAN DX CLUB PR2019-04-09 → cancelled 2019-09-21