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Confidence: Medium · Source: FCC ULS · As of 2026-09-14

K1CWO callsign genealogy

Currently held by Williams, Neal A

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 K1CWO's current licensee, walking backwards.

  1. KC1HJScancelled· T
    Williams, Neal AMEgranted 2017-04-11cancelled 2017-04-29

Successor callsigns

Callsigns held now by people who previously held K1CWO.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign K1CWO, oldest first.

  • MAXHAM, WALTER FL
    1999-04-06 → cancelled 2011-04-07
  • Williams, Neal A ME
    2017-04-29 active