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

K4UZM callsign genealogy

Currently held by SLAWSON, DAVID 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 K4UZM's current licensee, walking backwards.

  1. K1UZMcancelled· G
    SLAWSON, DAVID LFLgranted 2003-08-15cancelled 2009-02-10
  2. N2VRCcancelled· G
    SLAWSON, DAVID LPAgranted 2003-04-22cancelled 2003-08-15

Successor callsigns

Callsigns held now by people who previously held K4UZM.

No current licensee on record previously held this callsign.

← Back to K4UZM License history →