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Confidence: Medium · Source: FCC ULS · As of 2026-09-11

KK4MPJ callsign genealogy

Currently held by LITTELL, FREDERICK L

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 KK4MPJ's current licensee, walking backwards.

  1. N5NAScancelled· T
    LITTELL, FREDERICK LFLgranted 2011-04-08cancelled 2012-11-14
  2. N7EDQcancelled· T
    LITTELL, FRED LTXgranted 2003-10-30cancelled 2011-04-08
  3. KA7KXT
    no FCC ULS record on file

Successor callsigns

Callsigns held now by people who previously held KK4MPJ.

  1. W4BMCactive· T
    LITTELL, FREDERICK LTXgranted 2016-11-01
← Back to KK4MPJ License history →