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

KK6RR callsign genealogy

Currently held by Parker, John 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 KK6RR's current licensee, walking backwards.

  1. N7MFcancelled
    Western States Contest ClubCAgranted 2021-04-22cancelled 2025-09-06
  2. N1TZactive· E
    KASSA, BRIAN TTXgranted 2022-08-02
  3. KD4WAVcancelled· E
    KASSA, BRIAN TWAgranted 2002-11-13cancelled 2012-10-27

Successor callsigns

Callsigns held now by people who previously held KK6RR.

  1. AC7BJactive· E
    Parker, John LAZgranted 2023-08-23
  2. AA6ZPactive· E
    POSTADAN, MABELITO YCAgranted 2020-10-06

All historical holders

Every license row we've seen with the callsign KK6RR, oldest first.

  • Parker, John L AZ
    2013-10-31 → cancelled 2013-11-19
  • Western States Contest Club CA
    2025-09-06 active