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

W1SRU callsign genealogy

Currently held by CFP Amateur 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 W1SRU's current licensee, walking backwards.

  1. KB1YXIcancelled
    Applied Technologies ClubRIgranted 2012-11-21cancelled 2012-12-22

Successor callsigns

Callsigns held now by people who previously held W1SRU.

  1. N4CFPactive
    CFP Amateur Radio ClubFLgranted 2022-03-22
← Back to W1SRU License history →