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

KR5S callsign genealogy

Currently held by WOLFE, MICHAEL 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 KR5S's current licensee, walking backwards.

  1. N5OITcancelled· E
    WOLFE, MICHAEL ATXgranted 2013-06-25cancelled 2018-11-09
  2. KD5YZCcancelled· E
    Wolfe, Michael ATXgranted 2003-08-08cancelled 2003-09-16
  3. KD5YVBcancelled· G
    WOLFE, MICHAEL ATXgranted 2003-08-08cancelled 2003-08-26

Successor callsigns

Callsigns held now by people who previously held KR5S.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign KR5S, oldest first.

  • PATTERSON, REGG K OK
    2007-01-16 → cancelled 2018-10-19
  • WOLFE, MICHAEL A TX
    2018-11-09 active