Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7KBD callsign genealogy
Currently held by Robertson, James D
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 K7KBD's current licensee, walking backwards.
- Maras, Adam JAZgranted 2018-10-17cancelled 2018-11-06
Successor callsigns
Callsigns held now by people who previously held K7KBD.
- Robertson, James DMTgranted 2003-08-19cancelled 2015-08-20
All historical holders
Every license row we've seen with the callsign K7KBD, oldest first.
- Robertson, James D MT1999-04-29 → cancelled 2003-08-19
- Maras, Adam J AZ2018-11-06 active