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

KD7YBE callsign genealogy

Currently held by WISNIEWSKI II, JOHN P

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 KD7YBE's current licensee, walking backwards.

  1. N3BZNcancelled· T
    WISNIEWSKI II, JOHN PWAgranted 1994-12-22cancelled 2003-08-05

Successor callsigns

Callsigns held now by people who previously held KD7YBE.

No current licensee on record previously held this callsign.