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

AC1FS callsign genealogy

Currently held by Benulis, Gregory 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 AC1FS's current licensee, walking backwards.

  1. W4BNKcancelled· E
    Benulis, Conrad AMAgranted 2018-09-22cancelled 2021-02-06
  2. KN4JRPcancelled· E
    Benulis, Conrad AFLgranted 2018-02-14cancelled 2018-09-22

Successor callsigns

Callsigns held now by people who previously held AC1FS.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign AC1FS, oldest first.

  • Benulis, Gregory A MA
    2018-08-08 → cancelled 2020-02-19
  • Benulis, Conrad A FL
    2021-02-06 active
← Back to AC1FS License history →