Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N4GJM callsign genealogy
Currently held by HOUSTON JR, CARL 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 N4GJM's current licensee, walking backwards.
- Manley, Jeffery AGAgranted 2017-05-22cancelled 2018-03-20
Successor callsigns
Callsigns held now by people who previously held N4GJM.
- HOUSTON JR, CARL EMSgranted 2022-01-21
All historical holders
Every license row we've seen with the callsign N4GJM, oldest first.
- HOUSTON JR, CARL E MS2005-02-15 → cancelled 2012-02-04
- Manley, Jeffery A GA2018-03-20 active