Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N0JXH callsign genealogy
Currently held by Heimbouch, Jacob
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 N0JXH's current licensee, walking backwards.
- Heimbouch, JacobCOgranted 2024-10-08cancelled 2024-12-20
Successor callsigns
Callsigns held now by people who previously held N0JXH.
- PATTERSON, ROBERT PMNgranted 2018-06-14
All historical holders
Every license row we've seen with the callsign N0JXH, oldest first.
- Heimbouch, Jacob CO2024-12-20 active
- —— → cancelled 1998-08-25