Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W1KOU callsign genealogy
Currently held by Rittenburg, James H
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 W1KOU's current licensee, walking backwards.
- Rittenburg, James HPAgranted 2017-01-11cancelled 2017-01-31
Successor callsigns
Callsigns held now by people who previously held W1KOU.
- Rittenburg, James HMTgranted 2018-01-30