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

KJ4UQK callsign genealogy

Currently held by GREENARCH, LARRY K

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 KJ4UQK's current licensee, walking backwards.

  1. W4CILactive· G
    GREENARCH, LARRY KTNgranted 2023-06-22
  2. KC4YPHcancelled· G
    GREENARCH, LARRY KTNgranted 2021-10-09cancelled 2023-06-22
  3. N4LKGcancelled· G
    GREENARCH, LARRY KTNgranted 2021-06-22cancelled 2021-10-09
  4. KZ4KZQcancelled· G
    GREENARCH, LARRY KNCgranted 2020-11-28cancelled 2021-06-22

Successor callsigns

Callsigns held now by people who previously held KJ4UQK.

  1. N4SQLcancelled· G
    GREENARCH, LARRY KNCgranted 2010-06-04cancelled 2016-01-19
← Back to KJ4UQK License history →