Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KF5DDE callsign genealogy
Currently held by SCHMAHL, CURTISS R
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 KF5DDE's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held KF5DDE.
- Schmahl, CurtOKgranted 2023-02-22