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

WN0N callsign genealogy

Currently held by Casteel, Harold 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 WN0N's current licensee, walking backwards.

  1. N0TTEactive· G
    Granstaff, Curtis WNDgranted 2023-09-06
  2. K0CWGcancelled· G
    Granstaff, Curtis WNDgranted 2022-04-26cancelled 2023-09-06
  3. KF0IOOcancelled· G
    Granstaff, Curtis WNDgranted 2022-04-05cancelled 2022-04-26

Successor callsigns

Callsigns held now by people who previously held WN0N.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign WN0N, oldest first.

  • MASUI, TSUNEO VA
    2008-08-12 → cancelled 2020-11-06
  • Casteel, Harold E FL
    2020-11-24 active
← Back to WN0N License history →