Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KN4SGR callsign genealogy
Currently held by MARICH, SARAH W
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 KN4SGR's current licensee, walking backwards.
- MARICH, SARAH WFLgranted 1993-04-27cancelled 2001-04-13
Successor callsigns
Callsigns held now by people who previously held KN4SGR.
No current licensee on record previously held this callsign.