Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N0SC callsign genealogy
Currently held by Svoboda, Alan C
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 N0SC's current licensee, walking backwards.
- Svoboda, Dalton JAZgranted 2024-01-18cancelled 2025-12-30
Successor callsigns
Callsigns held now by people who previously held N0SC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N0SC, oldest first.
- Svoboda, Alan C AZ2017-05-15 → cancelled 2024-01-15
- Svoboda, Dalton J AZ2025-12-30 active