Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WD0FSP callsign genealogy
Currently held by Satnik, Ernest F
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 WD0FSP's current licensee, walking backwards.
- Satnik, AndrewMNgranted 2024-12-04cancelled 2024-12-24
Successor callsigns
Callsigns held now by people who previously held WD0FSP.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WD0FSP, oldest first.
- Satnik, Ernest F MN2005-02-15 → cancelled 2017-02-16
- Satnik, Andrew MN2024-12-24 active