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

W0LI callsign genealogy

Currently held by SWEARENGEN, MARK T

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 W0LI's current licensee, walking backwards.

  1. W0EPCcancelled· E
    Gilliland, John RCOgranted 2007-02-09cancelled 2010-03-31
  2. W5VTScancelled· G
    Gilliland, John RCOgranted 2007-02-09cancelled 2007-02-09

Successor callsigns

Callsigns held now by people who previously held W0LI.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign W0LI, oldest first.

  • SWEARENGEN, MARK T MO
    1998-07-08 → cancelled 2008-03-07
  • GILLILAND, J RICHARD CO
    2020-04-16 active
← Back to W0LI License history →