Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NB8S callsign genealogy
Currently held by Speser, Robert P
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 NB8S's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held NB8S.
- Annis, Michael TMDgranted 2025-07-22
All historical holders
Every license row we've seen with the callsign NB8S, oldest first.
- MARK, KERMIT H MI1998-02-26 → cancelled 2010-02-27
- Speser, Robert P FL2013-06-07 → cancelled 2025-06-10
- Annis, Michael T MD2025-07-01 → cancelled 2025-07-22