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

W8OB callsign genealogy

Currently held by CUBILO, KENNETH M

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 W8OB's current licensee, walking backwards.

  1. W8WLCactive· E
    Martens, Randall DMIgranted 2017-09-01
  2. AB8LOcancelled· E
    Martens, Randall DMIgranted 2016-11-01cancelled 2017-09-01
  3. N8IFWcancelled· E
    Martens, Randall DMIgranted 1997-01-24cancelled 2001-10-17

Successor callsigns

Callsigns held now by people who previously held W8OB.

  1. W8WLCcancelled· E
    CUBILO, KENNETH MILgranted 2005-01-14cancelled 2006-03-04

All historical holders

Every license row we've seen with the callsign W8OB, oldest first.

  • CUBILO, KENNETH M MI
    1999-12-21 → cancelled 2005-01-14
  • CUBILO, KENNETH M IL
    2025-12-05 active
← Back to W8OB License history →