Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N8SBY callsign genealogy
Currently held by Schaap, Michael 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 N8SBY's current licensee, walking backwards.
- Schaap, Michael DMIgranted 2019-12-10cancelled 2019-12-28
Successor callsigns
Callsigns held now by people who previously held N8SBY.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N8SBY, oldest first.
- SCHAAP, SANFORD MI2001-11-14 → cancelled 2014-02-12
- Schaap, Michael D MI2019-12-28 active