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

KI6RLY callsign genealogy

Currently held by Hofmann, William

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 KI6RLY's current licensee, walking backwards.

  1. KN6TDEcancelled· T
    Hofmann, WilliamCAgranted 2022-03-08cancelled 2022-04-15

Successor callsigns

Callsigns held now by people who previously held KI6RLY.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign KI6RLY, oldest first.

  • Hofmann, William N CA
    2008-04-18 → cancelled 2020-04-21
  • Hofmann, William CA
    2022-04-15 active