uls-tracker
Sign in
Confidence: Medium · Source: FCC ULS · As of 2026-09-12

W6BL callsign genealogy

Currently held by TWITCHELL, HERB D

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 W6BL's current licensee, walking backwards.

  1. K7ENPcancelled· E
    WEBSTER, JERRY HWAgranted 2008-07-01cancelled 2010-03-16

Successor callsigns

Callsigns held now by people who previously held W6BL.

  1. K7ENPcancelled· E
    WEBSTER, JERRY HWAgranted 2008-07-01cancelled 2010-03-16

All historical holders

Every license row we've seen with the callsign W6BL, oldest first.

  • TWITCHELL, HERB D CA
    1998-06-23 → cancelled 2000-02-05
  • WEBSTER, JERRY H WA
    2005-05-21 → cancelled 2008-07-01
  • WEBSTER, JERRY H WA
    2020-01-08 active
← Back to W6BL License history →