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

K2UH callsign genealogy

Currently held by COTTRELL, ALAN B

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 K2UH's current licensee, walking backwards.

  1. K5OOOcancelled· E
    Kaplan, JonFLgranted 2025-05-09cancelled 2025-12-09
  2. KR4DITcancelled· T
    Kaplan, JonFLgranted 2025-04-19cancelled 2025-05-09

Successor callsigns

Callsigns held now by people who previously held K2UH.

  1. W0OGcancelled· E
    Kaplan, JonFLgranted 2026-02-27cancelled 2026-04-10
  2. N2FGactive· E
    Grant IV, Frederic JGAgranted 2023-11-10
  3. WN2Cactive· E
    Willis, Harry RAZgranted 2020-11-13
  4. K2USUcancelled· E
    COTTRELL, ALAN BMIgranted 2007-08-17cancelled 2009-07-24

All historical holders

Every license row we've seen with the callsign K2UH, oldest first.

  • COTTRELL, ALAN B MI
    1998-02-27 → cancelled 2007-08-17
  • Willis, Harry R AZ
    2010-02-26 → cancelled 2011-02-05
  • SCALCIONE, STEVE NY
    2013-02-26 → cancelled 2021-07-26
  • Grant IV, Frederic J GA
    2023-09-15 → cancelled 2023-11-10
  • Kaplan, Jon FL
    2025-12-09 → cancelled 2026-02-27
← Back to K2UH License history →