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

KN6SS callsign genealogy

Currently held by MANNION, JOHN F

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 KN6SS's current licensee, walking backwards.

  1. KC6YPQcancelled· A
    MANNION, JOHN FCAgranted 2018-01-06cancelled 2018-11-20

Successor callsigns

Callsigns held now by people who previously held KN6SS.

  1. N6JFMactive· A
    MANNION, JOHN FCAgranted 2019-08-09
  2. KC6YPQcancelled· A
    MANNION, JOHN FCAgranted 2018-01-06cancelled 2018-11-20

All historical holders

Every license row we've seen with the callsign KN6SS, oldest first.

  • MANNION, JOHN F CA
    2016-08-02 → cancelled 2018-01-06
  • Mannion, John F CA
    2018-11-20 → cancelled 2019-08-09
← Back to KN6SS License history →