Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N8JSB callsign genealogy
Currently held by BLUMER, JUSTIN S
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 N8JSB's current licensee, walking backwards.
- BLUMER, JUSTINOHgranted 2014-04-14cancelled 2014-05-06
Successor callsigns
Callsigns held now by people who previously held N8JSB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N8JSB, oldest first.
- REHMANN, ROBERT F MI1998-03-20 → cancelled 2010-03-23
- BLUMER, JUSTIN S OH2024-02-13 active