Confidence: Medium · Source: FCC ULS · As of 2026-09-12
ND0B callsign genealogy
Currently held by NELSON, RUSSELL B
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 ND0B's current licensee, walking backwards.
- OCKERT, WILLIAM RNDgranted 2004-01-23cancelled 2010-11-13
Successor callsigns
Callsigns held now by people who previously held ND0B.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign ND0B, oldest first.
- NELSON, RUSSELL B MN1998-06-09 → cancelled 2010-06-10
- OCKERT, WILLIAM R ND2020-08-18 active