Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA0DLS callsign genealogy
Currently held by Schaffer, Donald L
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 KA0DLS's current licensee, walking backwards.
- Schaffer, Donald LCOgranted 2010-09-21cancelled 2010-10-30
Successor callsigns
Callsigns held now by people who previously held KA0DLS.
- Schaffer, Donald LGAgranted 2022-10-04