Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KN0SIS callsign genealogy
Currently held by Robertson, Eric
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 KN0SIS's current licensee, walking backwards.
- Robertson, EricTXgranted 2021-03-29cancelled 2021-06-04
Successor callsigns
Callsigns held now by people who previously held KN0SIS.
No current licensee on record previously held this callsign.