Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N5MTA callsign genealogy
Currently held by DEUERLING, JAMES L
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 N5MTA's current licensee, walking backwards.
- KG5MEXcancelledHill Country Mountain Topper AssociationTXgranted 2016-03-10cancelled 2016-03-29
Successor callsigns
Callsigns held now by people who previously held N5MTA.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N5MTA, oldest first.
- DEUERLING, JAMES L AR1988-06-21 → cancelled 2000-06-22
- Hill Country Mountain Topper Association TX2026-01-08 active