Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7DOS callsign genealogy
Currently held by MARTIL JR, CARLITO S
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 K7DOS's current licensee, walking backwards.
- MARTIL JR, CARLITO SAZgranted 2017-04-21cancelled 2020-05-02
Successor callsigns
Callsigns held now by people who previously held K7DOS.
- MARTIL JR, CARLITO SAZgranted 2017-04-21cancelled 2020-05-02
All historical holders
Every license row we've seen with the callsign K7DOS, oldest first.
- MARTIL JR, CARLITO S AZ2017-03-29 → cancelled 2017-04-21
- MARTIL JR, CARLITO S AZ2020-05-02 active