Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K0SAT callsign genealogy
Currently held by Hart, Robert M
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 K0SAT's current licensee, walking backwards.
- Hart, Robert MNMgranted 2005-01-14cancelled 2005-02-05
Successor callsigns
Callsigns held now by people who previously held K0SAT.
No current licensee on record previously held this callsign.