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

W1LFB callsign genealogy

Currently held by Bethke, Lawrence F

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 W1LFB's current licensee, walking backwards.

  1. K4LFBcancelled· G
    Bethke, Lawrence FTNgranted 2012-03-16cancelled 2021-05-01
  2. KK4DQMcancelled· G
    Bethke, Lawrence FTNgranted 2011-08-16cancelled 2012-03-16

Successor callsigns

Callsigns held now by people who previously held W1LFB.

  1. W4LFBactive· G
    Bethke, Lawrence FTNgranted 2023-04-04
← Back to W1LFB License history →