Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC0SBB callsign genealogy
Currently held by Grife, Lee A
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 KC0SBB's current licensee, walking backwards.
- Grife, Joshua EMNgranted 2009-04-16cancelled 2018-03-06
Successor callsigns
Callsigns held now by people who previously held KC0SBB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KC0SBB, oldest first.
- Grife, Lee A MN2004-04-02 → cancelled 2016-04-05
- Grife, Joshua E MN2018-03-06 active