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

N4EFP callsign genealogy

Currently held by Thomas, Richard 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 N4EFP's current licensee, walking backwards.

  1. K4WLKcancelled· G
    Thomas, Richard EVAgranted 2013-05-03cancelled 2016-08-09
  2. KJ4WLKcancelled· G
    Thomas, Richard ETNgranted 2010-07-15cancelled 2013-05-03

Successor callsigns

Callsigns held now by people who previously held N4EFP.

  1. N4FJTactive· G
    Thomas, Richard ETNgranted 2017-02-07
← Back to N4EFP License history →