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

WB4CYC callsign genealogy

Currently held by Allen, Lawrence G

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 WB4CYC's current licensee, walking backwards.

  1. AK4UAcancelled· E
    Allen, Lawrence GFLgranted 2022-03-25cancelled 2022-04-12
  2. KK4IJZcancelled· E
    Allen, Lawrence GFLgranted 2012-04-05cancelled 2012-05-01

Successor callsigns

Callsigns held now by people who previously held WB4CYC.

  1. K4CYCactive· E
    ALLEN, GARY LFLgranted 2017-12-05

All historical holders

Every license row we've seen with the callsign WB4CYC, oldest first.

  • Allen, Lawrence G FL
    2022-04-12 active
  • —
    — → cancelled 1998-02-06
← Back to WB4CYC License history →