Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WP4SH callsign genealogy
Currently held by RODRIGUEZ, CARLOS 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 WP4SH's current licensee, walking backwards.
- RODRIGUEZ, CARLOS APRgranted 2020-07-16cancelled 2020-08-04
Successor callsigns
Callsigns held now by people who previously held WP4SH.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WP4SH, oldest first.
- COUVERTIC, JOSE A PR1999-01-15 → cancelled 2011-01-19
- RODRIGUEZ, CARLOS A PR2020-08-04 active