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

K0CTR callsign genealogy

Currently held by HUBER, JACK A

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 K0CTR's current licensee, walking backwards.

  1. KB0CTRcancelled· T
    Gardner, Ryan SCOgranted 2006-12-08cancelled 2012-11-10
  2. KC0YYEcancelled· T
    Gardner, Ryan SCOgranted 2006-11-15cancelled 2006-12-08

Successor callsigns

Callsigns held now by people who previously held K0CTR.

  1. KM6EHcancelled· A
    RICKETTS, DAVID VCAgranted 2002-04-30cancelled 2005-09-16

All historical holders

Every license row we've seen with the callsign K0CTR, oldest first.

  • HUBER, JACK A MO
    1999-05-05 → cancelled 2011-05-06
  • Gardner, Ryan CO
    2022-11-23 active
← Back to K0CTR License history →