uls-tracker
Sign in
Confidence: Medium · Source: FCC ULS · As of 2026-09-12

KR1PTO callsign genealogy

Currently held by HAERTEL, TAYLOR 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 KR1PTO's current licensee, walking backwards.

  1. KJ7KYMcancelled· T
    HAERTEL, TAYLOR RUTgranted 2019-11-27cancelled 2019-12-17

Successor callsigns

Callsigns held now by people who previously held KR1PTO.

  1. K6JTJactive· G
    PATRICK Jr, JAMES ECAgranted 2025-06-18
  2. K6EFactive· E
    Cohen, Mark SCAgranted 2025-05-07

All historical holders

Every license row we've seen with the callsign KR1PTO, oldest first.

  • Cohen, Mark S CA
    2003-12-30 → cancelled 2005-08-02
  • PATRICK Jr, JAMES E CA
    2008-05-13 → cancelled 2015-07-25
  • HAERTEL, TAYLOR R UT
    2019-12-17 active
← Back to KR1PTO License history →