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

KR1TTR callsign genealogy

Currently held by Johns, Trevor M

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 KR1TTR's current licensee, walking backwards.

  1. W8JTScancelled· G
    Stapleton, Justin TOHgranted 2024-04-10cancelled 2026-01-16
  2. KD8URCcancelled· T
    Stapleton, Justin TWVgranted 2013-04-24cancelled 2014-06-17

Successor callsigns

Callsigns held now by people who previously held KR1TTR.

  1. K6RCNactive· G
    JOHNS, TREVOR MWAgranted 2022-05-06

All historical holders

Every license row we've seen with the callsign KR1TTR, oldest first.

  • Johns, Trevor M CA
    2020-05-27 → cancelled 2022-05-06
  • Stapleton, Justin T OH
    2026-01-16 active
← Back to KR1TTR License history →