Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K7KDG callsign genealogy
Currently held by Schafer, Douglas 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 K7KDG's current licensee, walking backwards.
- Schafer, Douglas AWAgranted 2019-03-07cancelled 2019-03-26
Successor callsigns
Callsigns held now by people who previously held K7KDG.
- Schafer, Douglas AWAgranted 2020-06-26