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

W9BL callsign genealogy

Currently held by ANDREW, GILBERT S

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 W9BL's current licensee, walking backwards.

  1. W9QBLcancelled· E
    ABRAMSON, ROBERT PILgranted 2010-03-09cancelled 2011-03-04
  2. KC9RJZcancelled· E
    ABRAMSON, ROBERT PILgranted 2010-02-11cancelled 2010-03-09

Successor callsigns

Callsigns held now by people who previously held W9BL.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign W9BL, oldest first.

  • ANDREW, GILBERT S WI
    2000-07-26 → cancelled 2007-12-03
  • ABRAMSON, ROBERT P IL
    2021-01-08 active
← Back to W9BL License history →