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

KD7RS callsign genealogy

Currently held by Sturbaum, Ronald 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 KD7RS's current licensee, walking backwards.

  1. W1WTTactive· G
    JENKINS, DELBERTNMgranted 2021-03-23
  2. KI5OBScancelled· G
    JENKINS, DELBERTNMgranted 2021-02-22cancelled 2021-03-23

Successor callsigns

Callsigns held now by people who previously held KD7RS.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign KD7RS, oldest first.

  • TONECK, IVO W AZ
    1989-01-17 → cancelled 2001-01-18
  • Sturbaum, Ronald M AZ
    2002-04-03 → cancelled 2014-04-04
  • Vincent II, Thomas R GA
    2019-02-09 active
← Back to KD7RS License history →