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

WC2O callsign genealogy

Currently held by HUSK, WILLIAM C

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 WC2O's current licensee, walking backwards.

  1. KC9LHOcancelled· E
    HUSK, WILLIAM CINgranted 2007-04-06cancelled 2007-10-23

Successor callsigns

Callsigns held now by people who previously held WC2O.

  1. NP4RMexpired· E
    MERCADO, RAMONPRgranted 1999-01-07cancelled 2011-01-08

All historical holders

Every license row we've seen with the callsign WC2O, oldest first.

  • HUSK, WILLIAM C IN
    2017-07-26 active
  • MERCADO, RAMON
    → cancelled 1999-01-07