Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WP4OIH callsign genealogy
Currently held by Reyes Benitez, Fredy L
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 WP4OIH's current licensee, walking backwards.
- Reyes Benitez, Fredy LPRgranted 2011-02-04cancelled 2011-02-05
Successor callsigns
Callsigns held now by people who previously held WP4OIH.
- Reyes Benitez, Fredy LPRgranted 2011-02-25cancelled 2011-12-10