Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7GOP callsign genealogy
Currently held by BALLSTAEDT, SMITH 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 K7GOP's current licensee, walking backwards.
- BALLSTAEDT, SMITH TUTgranted 2017-03-24cancelled 2017-04-18
Successor callsigns
Callsigns held now by people who previously held K7GOP.
- Pittmann, Christopher AAZgranted 2024-10-19
All historical holders
Every license row we've seen with the callsign K7GOP, oldest first.
- Pittmann, Christopher A AZ2010-05-18 → cancelled 2014-10-21
- BALLSTAEDT, SMITH T UT2017-04-18 active