Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N7JAM callsign genealogy
Currently held by Muth, Joshua A
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 N7JAM's current licensee, walking backwards.
- Muth, Joshua ATXgranted 2024-04-23cancelled 2025-05-09
Successor callsigns
Callsigns held now by people who previously held N7JAM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N7JAM, oldest first.
- Jenson, Douglas D ID2008-03-20 → cancelled 2020-06-12
- Muth, Joshua A TX2025-05-09 active