Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WP4HRC callsign genealogy
Currently held by Hatillo Radio 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 WP4HRC's current licensee, walking backwards.
- WP4UAScancelledHatillo Radio ClubPRgranted 2026-07-14cancelled 2026-08-01
Successor callsigns
Callsigns held now by people who previously held WP4HRC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WP4HRC, oldest first.
- GUZMAN TORO, ANABELLE PR1988-02-02 → cancelled 2000-02-03
- Hatillo Radio Club PR2026-08-01 active