Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KB0GUF callsign genealogy
Currently held by NAGEL, JOHN L
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 KB0GUF's current licensee, walking backwards.
- Nagel, John LMNgranted 2022-03-14cancelled 2026-02-18
Successor callsigns
Callsigns held now by people who previously held KB0GUF.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KB0GUF, oldest first.
- NAGEL, JOHN L MN1990-08-14 → cancelled 2002-08-15
- Nagel, John MN2026-02-18 active