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

W9CHA callsign genealogy

Currently held by BIEDERWOLF, EDWARD A

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 W9CHA's current licensee, walking backwards.

  1. N9XYEcancelled· G
    BIEDERWOLF, EDWARD AFLgranted 2009-05-01cancelled 2009-10-31
  2. KJ4KBQcancelled· T
    BIEDERWOLF, EDWARD AFLgranted 2009-03-06cancelled 2009-05-01

Successor callsigns

Callsigns held now by people who previously held W9CHA.

No current licensee on record previously held this callsign.

← Back to W9CHA License history →