Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7MTB callsign genealogy
Currently held by CALEY, DAVID T
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 K7MTB's current licensee, walking backwards.
- GASCON, ZACHARYORgranted 2024-12-05cancelled 2025-05-06
Successor callsigns
Callsigns held now by people who previously held K7MTB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K7MTB, oldest first.
- CALEY, DAVID T UT2020-02-20 → cancelled 2022-08-30
- GASCON, ZACHARY OR2025-05-06 active