Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N7OOB callsign genealogy
Currently held by HUTTER, KARL G
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 N7OOB's current licensee, walking backwards.
- Conradt, Jonathan LWAgranted 2011-08-26cancelled 2017-03-12
Successor callsigns
Callsigns held now by people who previously held N7OOB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N7OOB, oldest first.
- HUTTER, KARL G CA2001-04-18 → cancelled 2013-07-03
- Conradt, Jonathan L VA2017-03-12 active