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

K4YAA callsign genealogy

Currently held by Madison, Keith E

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 K4YAA's current licensee, walking backwards.

  1. KK4CTJcancelled· G
    Madison, Keith EGAgranted 2011-03-10cancelled 2011-07-09
  2. KK4ATRcancelled· G
    Madison, Keith EGAgranted 2011-03-10cancelled 2011-06-20

Successor callsigns

Callsigns held now by people who previously held K4YAA.

No current licensee on record previously held this callsign.

← Back to K4YAA License history →