Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K0SMI callsign genealogy
Currently held by Smith, Daniel E
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 K0SMI's current licensee, walking backwards.
- Smith, Daniel EMNgranted 2019-03-28cancelled 2019-09-10
Successor callsigns
Callsigns held now by people who previously held K0SMI.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K0SMI, oldest first.
- Filson, Henry F KS2007-03-05 → cancelled 2019-05-30
- Smith, Daniel E MN2019-09-10 active