Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K0SDD callsign genealogy
Currently held by Dalfollo-Daley, Stephen C 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 K0SDD's current licensee, walking backwards.
- Dalfollo-Daley, Stephen C ACOgranted 2009-02-13cancelled 2009-03-10
Successor callsigns
Callsigns held now by people who previously held K0SDD.
No current licensee on record previously held this callsign.