Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K0SMP callsign genealogy
Currently held by SIMPSON JR, 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 K0SMP's current licensee, walking backwards.
- Simpson Jr, Michael DCOgranted 2009-03-12cancelled 2009-03-31
Successor callsigns
Callsigns held now by people who previously held K0SMP.
No current licensee on record previously held this callsign.