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Confidence: Medium · Source: FCC ULS · As of 2026-09-14

KP4RAI callsign genealogy

Currently held by Radio Amateur Island Group Inc

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 KP4RAI's current licensee, walking backwards.

  1. WP4RHFcancelled
    Radio Amateur Island ClubPRgranted 2019-10-03cancelled 2019-10-22

Successor callsigns

Callsigns held now by people who previously held KP4RAI.

No current licensee on record previously held this callsign.