Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N0SPR callsign genealogy
Currently held by Spreitzer, Christopher J
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 N0SPR's current licensee, walking backwards.
- Spreitzer, Christopher JILgranted 2026-02-26cancelled 2026-03-17
Successor callsigns
Callsigns held now by people who previously held N0SPR.
- MENKE, CAROL SIAgranted 1992-05-19cancelled 2000-12-22
All historical holders
Every license row we've seen with the callsign N0SPR, oldest first.
- MENKE, CAROL S IA1992-05-19 → cancelled 2000-06-30
- Spreitzer, Christopher J CA2026-03-17 active