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

K5DRT callsign genealogy

Currently held by TILLOTSON, DAVID R

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 K5DRT's current licensee, walking backwards.

  1. W5UQScancelled· G
    TILLOTSON, DAVID RTXgranted 2011-09-24cancelled 2018-06-26
  2. N5SNBcancelled· T
    TILLOTSON, DAVID RTXgranted 2011-01-03cancelled 2011-09-24

Successor callsigns

Callsigns held now by people who previously held K5DRT.

  1. AB5Icancelled· E
    STONE, GREGORY BTXgranted 2015-02-07cancelled 2018-04-06

All historical holders

Every license row we've seen with the callsign K5DRT, oldest first.

  • STONE, GREGORY B TX
    2007-10-19 → cancelled 2015-02-07
  • TILLOTSON, DAVID R TX
    2018-06-26 active
← Back to K5DRT License history →