Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K1SFK callsign genealogy
Currently held by Kay, Sarah F
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 K1SFK's current licensee, walking backwards.
- Kay, Sarah FMAgranted 2001-07-16cancelled 2002-06-08
Successor callsigns
Callsigns held now by people who previously held K1SFK.
No current licensee on record previously held this callsign.