Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KS1MBC callsign genealogy
Currently held by Coulter, Marvin B
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 KS1MBC's current licensee, walking backwards.
- Coulter, Marvin BTXgranted 2010-03-22cancelled 2010-04-16
Successor callsigns
Callsigns held now by people who previously held KS1MBC.
No current licensee on record previously held this callsign.