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

K7KAS callsign genealogy

Currently held by UPPLING JR, JOHN G

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 K7KAS's current licensee, walking backwards.

  1. KI7DTTcancelled· T
    Koga, Dennis MWAgranted 2016-04-26cancelled 2016-05-17

Successor callsigns

Callsigns held now by people who previously held K7KAS.

  1. W4CRKactive· T
    Koga, Dennis MTNgranted 2019-03-01
  2. K7CANexpired· G
    UPPLING JR, JOHN GWYgranted 2006-09-01cancelled 2018-09-05

All historical holders

Every license row we've seen with the callsign K7KAS, oldest first.

  • UPPLING JR, JOHN G WY
    2002-03-20 → cancelled 2006-09-01
  • Koga, Dennis M TN
    2016-05-17 → cancelled 2019-03-01