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

K9WK callsign genealogy

Currently held by MAROMATY, ALEXANDER

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 K9WK's current licensee, walking backwards.

  1. NA3Ractive· E
    Cocco, Robert RPAgranted 2021-05-01
  2. AC3HBcancelled· E
    Cocco, Robert RPAgranted 2021-01-19cancelled 2021-05-01

Successor callsigns

Callsigns held now by people who previously held K9WK.

  1. W9AWPactive· E
    PARNELL, ALLEN WWIgranted 2017-10-03
  2. W6AABcancelled· E
    MAROMATY, ALEXANDERDEgranted 2008-11-21cancelled 2012-06-01

All historical holders

Every license row we've seen with the callsign K9WK, oldest first.

  • MAROMATY, ALEXANDER IL
    2006-10-27 → cancelled 2008-11-21
  • PARNELL, ALLEN W WI
    2010-12-21 → cancelled 2017-10-03
  • MAROMATY, ALEXANDER DE
    2019-04-12 active
← Back to K9WK License history →