Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N6SIS callsign genealogy
Currently held by Singh, Isha
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 N6SIS's current licensee, walking backwards.
- Singh, IshaCAgranted 2018-03-19cancelled 2018-04-13
Successor callsigns
Callsigns held now by people who previously held N6SIS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N6SIS, oldest first.
- WHEELER JR, CHARLES L CA1999-05-05 → cancelled 2011-05-06
- Singh, Isha CA2018-04-13 active