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Confidence: Medium · Source: FCC ULS · As of 2026-09-12

KP4CSI callsign genealogy

Currently held by REYES BENITEZ, FREDDY 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 KP4CSI's current licensee, walking backwards.

  1. KP4FRBcancelled· E
    Reyes Benitez, Fredy LPRgranted 2011-02-25cancelled 2011-12-10
  2. WP4OIHcancelled· T
    Reyes Benitez, Fredy LPRgranted 2011-02-04cancelled 2011-02-25
  3. KF7NSZcancelled· T
    Reyes Benitez, Fredy LPRgranted 2011-02-04cancelled 2011-02-05

Successor callsigns

Callsigns held now by people who previously held KP4CSI.

No current licensee on record previously held this callsign.

← Back to KP4CSI License history →