Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N0BAC callsign genealogy
Currently held by GROEBNER, DANIEL 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 N0BAC's current licensee, walking backwards.
- CROUCH, GLENN AMOgranted 2009-02-25cancelled 2009-03-17
Successor callsigns
Callsigns held now by people who previously held N0BAC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N0BAC, oldest first.
- GROEBNER, DANIEL T MN1994-10-21 → cancelled 2006-10-24
- CROUCH, GLENN A MO2019-01-30 active