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

KJ4ISY callsign genealogy

Currently held by ORLOFF, MICHAEL H

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 KJ4ISY's current licensee, walking backwards.

  1. K4VSUactive· T
    Bramlett, Sarah LGAgranted 2022-09-27
  2. KQ4DAJcancelled· T
    Bramlett, SarahGAgranted 2022-09-07cancelled 2022-09-27

Successor callsigns

Callsigns held now by people who previously held KJ4ISY.

  1. K4VSQactive· T
    ORLOFF, MICHAEL HFLgranted 2024-07-23
← Back to KJ4ISY License history →