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

W8NBO callsign genealogy

Currently held by Detgen, John Peter

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 W8NBO's current licensee, walking backwards.

  1. W4JPDactive· E
    Detgen, John PeterNCgranted 2023-05-09

Successor callsigns

Callsigns held now by people who previously held W8NBO.

  1. W4JPDactive· E
    Detgen, John PeterNCgranted 2023-05-09
  2. W4JPDcancelled· E
    Detgen, John PeterNCgranted 2018-09-25cancelled 2022-04-22
  3. W4RTYcancelled· E
    Detgen, John PeterNCgranted 2010-01-05cancelled 2011-03-04

All historical holders

Every license row we've seen with the callsign W8NBO, oldest first.

  • Detgen, John Peter NC
    2008-08-07 → cancelled 2010-01-05
  • Detgen, John Peter NC
    2011-03-04 → cancelled 2018-09-25
  • Detgen, John Peter NC
    2022-04-22 → cancelled 2023-05-09
← Back to W8NBO License history →