Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KR0SIS callsign genealogy
Currently held by PARSONS, MICHAEL
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 KR0SIS's current licensee, walking backwards.
- PARSONS, MICHAELAZgranted 2007-11-07cancelled 2009-09-04
Successor callsigns
Callsigns held now by people who previously held KR0SIS.
No current licensee on record previously held this callsign.