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

AC1FI callsign genealogy

Currently held by Belhumeur, Johnathen R

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 AC1FI's current licensee, walking backwards.

  1. KC1HYDcancelled· E
    Belhumeur, Johnathen RMAgranted 2017-06-22cancelled 2018-06-11
  2. KC1HUGcancelled· G
    Belhumeur, Johnathen RMAgranted 2017-06-22cancelled 2017-08-07

Successor callsigns

Callsigns held now by people who previously held AC1FI.

  1. N1CBactive· E
    Belhumeur, Johnathen rMAgranted 2018-07-03
← Back to AC1FI License history →