Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N7KTX callsign genealogy
Currently held by Caldwell, D LLOYD
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 N7KTX's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held N7KTX.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N7KTX, oldest first.
- Caldwell, D LLOYD ID2013-04-09 → cancelled 2025-04-10
- Mullins, Matthew W WA2026-07-24 active