Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K8GBU callsign genealogy
Currently held by NITZ, FRANCIS J
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 K8GBU's current licensee, walking backwards.
- Nitz, NaomiMIgranted 2016-07-07cancelled 2016-09-03
Successor callsigns
Callsigns held now by people who previously held K8GBU.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K8GBU, oldest first.
- NITZ, FRANCIS J MI1994-12-08 → cancelled 2006-12-09
- Nitz, Naomi MI2016-09-03 active