uls-tracker
Sign in
Confidence: Medium · Source: FCC ULS · As of 2026-09-14

WB1FJK callsign genealogy

Currently held by SMITH JR, WALTER L

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 WB1FJK's current licensee, walking backwards.

  1. N1DQUactive· G
    SMITH JR, WALTER LMAgranted 2017-04-20
  2. W1WLSactive· G
    Woolwine III, Emmons HTNgranted 2018-04-13
  3. KN4KXCcancelled· G
    Woolwine III, Emmons HTNgranted 2018-03-23cancelled 2018-04-13

Successor callsigns

Callsigns held now by people who previously held WB1FJK.

  1. W1WLScancelled· G
    SMITH JR, WALTER LMAgranted 2002-07-23cancelled 2007-07-17