Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N9BOB callsign genealogy
Currently held by Mitcheff, Bob
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 N9BOB's current licensee, walking backwards.
- Mitcheff, BobILgranted 2010-11-02cancelled 2011-01-28
Successor callsigns
Callsigns held now by people who previously held N9BOB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N9BOB, oldest first.
- DAWSON, ROBERT B IN1997-11-25 → cancelled 2009-11-26
- Mitcheff, Bob IL2021-02-04 active