Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N9SK callsign genealogy
Currently held by KIRTLEY, SIDNEY L
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 N9SK's current licensee, walking backwards.
- KIRTLEY, SIDNEY LINgranted 1995-11-20cancelled 2000-06-30
Successor callsigns
Callsigns held now by people who previously held N9SK.
No current licensee on record previously held this callsign.