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

K4WOF callsign genealogy

Currently held by Lineback, Jerry E

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 K4WOF's current licensee, walking backwards.

  1. N1QJactive· E
    McFetridge, Robert MMEgranted 2021-05-14
  2. N1VVHcancelled· E
    MC FETRIDGE, ROBERT MMEgranted 2015-09-12cancelled 2021-05-14

Successor callsigns

Callsigns held now by people who previously held K4WOF.

  1. N1QJcancelled· E
    Lineback, Jerry EFLgranted 2019-03-15cancelled 2019-04-23

All historical holders

Every license row we've seen with the callsign K4WOF, oldest first.

  • Lineback, Jerry E FL
    2010-12-24 → cancelled 2019-03-15
  • Lineback, J E FL
    2019-04-23 active
← Back to K4WOF License history →