Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NZ9B callsign genealogy
Currently held by JENKS, MARK E
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 NZ9B's current licensee, walking backwards.
- LANKENAU, RUSSELL AILgranted 2014-01-30cancelled 2020-05-19
Successor callsigns
Callsigns held now by people who previously held NZ9B.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign NZ9B, oldest first.
- JENKS, MARK E WI2009-11-30 → cancelled 2020-03-19
- LANKENAU, RUSSELL A IL2020-05-19 active