Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K0WTR callsign genealogy
Currently held by Riebesell, William T
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 K0WTR's current licensee, walking backwards.
- Riebesell, William TMNgranted 2017-11-27cancelled 2018-01-09
Successor callsigns
Callsigns held now by people who previously held K0WTR.
No current licensee on record previously held this callsign.