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

AF4TT callsign genealogy

Currently held by Darrah, Jonathan 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 AF4TT's current licensee, walking backwards.

  1. KU4YScancelled· A
    DARRAH, JONATHAN DFLgranted 1999-03-16cancelled 2000-05-16
  2. KF4UZFcancelled· G
    DARRAH, JONATHAN Dcancelled 1999-03-16

Successor callsigns

Callsigns held now by people who previously held AF4TT.

No current licensee on record previously held this callsign.

← Back to AF4TT License history →