Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB0CTL callsign genealogy
Currently held by Seuser, Chad W
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 KB0CTL's current licensee, walking backwards.
- Seuser, Chad WIAgranted 2008-04-01cancelled 2016-07-06
Successor callsigns
Callsigns held now by people who previously held KB0CTL.
- Seuser, Chad WIAgranted 2008-04-01cancelled 2016-07-06
All historical holders
Every license row we've seen with the callsign KB0CTL, oldest first.
- Seuser, Chad W IA1998-06-25 → cancelled 2008-01-28
- Seuser, Chad W IA2026-04-17 active