Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KN6SF callsign genealogy
Currently held by NELLIGAN, JAMES E
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 KN6SF's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held KN6SF.
- NELLIGAN, JAMES ECAgranted 2012-04-13cancelled 2018-11-24
All historical holders
Every license row we've seen with the callsign KN6SF, oldest first.
- NELLIGAN, JAMES E CA2003-06-24 → cancelled 2012-04-13
- KAPIHAN NETWORK CA2022-02-05 active