Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N0JBT callsign genealogy
Currently held by ARMA, BASEERO
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 N0JBT's current licensee, walking backwards.
- ARMA, BASEEROCAgranted 2005-06-29cancelled 2006-03-04
Successor callsigns
Callsigns held now by people who previously held N0JBT.
- ARMA, BASEEROCAgranted 2019-11-13
All historical holders
Every license row we've seen with the callsign N0JBT, oldest first.
- HOCK, ROBERT H MN1988-03-22 → cancelled 2000-03-23
- ARMA, BASEERO CA2016-03-09 → cancelled 2019-11-13