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

WH0O callsign genealogy

Currently held by GUEVARRA, MELENCIO Y

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 WH0O's current licensee, walking backwards.

  1. NH0Ycancelled· E
    ARCEGA, ALLAN OMPgranted 2010-08-06cancelled 2020-06-13
  2. NH0AJcancelled· E
    ARCEGA, ALLAN OMPgranted 2007-03-20cancelled 2010-08-06
  3. KH0RJcancelled· T
    ARCEGA, ALLAN OMPgranted 2005-04-05cancelled 2007-03-20

Successor callsigns

Callsigns held now by people who previously held WH0O.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign WH0O, oldest first.

  • GUEVARRA, MELENCIO Y MP
    2008-03-21 → cancelled 2019-02-21
  • ARCEGA, ALLAN O MP
    2020-06-13 active
← Back to WH0O License history →