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

NF0F callsign genealogy

Currently held by GUSTUS, CLARENCE D

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 NF0F's current licensee, walking backwards.

  1. N1UWUcancelled· E
    Machado, Nicolas XMAgranted 2020-08-07cancelled 2026-09-01
  2. KC1MCOcancelled· G
    Machado, Nicolas XMAgranted 2019-11-04cancelled 2020-08-07

Successor callsigns

Callsigns held now by people who previously held NF0F.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign NF0F, oldest first.

  • GUSTUS, CLARENCE D MN
    2014-05-29 → cancelled 2026-07-03
  • Machado, Nicolas X CA
    2026-09-01 active