Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7DIO callsign genealogy
Currently held by Seebruch, Glen A
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 K7DIO's current licensee, walking backwards.
- Seebruch, Glen AAZgranted 2025-09-10cancelled 2026-02-10
Successor callsigns
Callsigns held now by people who previously held K7DIO.
No current licensee on record previously held this callsign.