Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KF0SDW callsign genealogy
Currently held by Hyde, Ian D
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 KF0SDW's current licensee, walking backwards.
- Hyde, IanCOgranted 2023-12-23cancelled 2024-01-20
Successor callsigns
Callsigns held now by people who previously held KF0SDW.
No current licensee on record previously held this callsign.