Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N7TGC callsign genealogy
Currently held by SCHMITZ, ROGER K
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 N7TGC's current licensee, walking backwards.
- Castle Jr, Tommy GFLgranted 2015-09-25cancelled 2015-10-16
Successor callsigns
Callsigns held now by people who previously held N7TGC.
- Castle Jr, Tommy GFLgranted 2017-07-04
All historical holders
Every license row we've seen with the callsign N7TGC, oldest first.
- SCHMITZ, ROGER K MT2001-07-02 → cancelled 2013-08-07
- Castle Jr, Tommy G FL2015-10-16 → cancelled 2017-07-04