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

KK7OSZ callsign genealogy

Currently held by Chavez, Daniel 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 KK7OSZ's current licensee, walking backwards.

  1. KK7JTMcancelled· T
    Chavez, Daniel LUTgranted 2015-01-09cancelled 2023-10-07
  2. KK7GTKcancelled· T
    Chavez, Daniel LUTgranted 2015-01-09cancelled 2022-12-23
  3. KJ4YODcancelled· T
    Chavez, Daniel LUTgranted 2015-01-09cancelled 2022-06-14
  4. KI4JFTcancelled· T
    Chavez, Daniel LFLgranted 2005-03-18cancelled 2010-09-28

Successor callsigns

Callsigns held now by people who previously held KK7OSZ.

  1. KJ5HKHactive· T
    Chavez, Daniel LOKgranted 2025-02-27
← Back to KK7OSZ License history →