Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N6SSF callsign genealogy
Currently held by MATSUDA, EDWARD T
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 N6SSF's current licensee, walking backwards.
- KK6EMPcancelledSouth San Francisco CERT CommunicationsCAgranted 2013-05-17cancelled 2013-06-07
Successor callsigns
Callsigns held now by people who previously held N6SSF.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N6SSF, oldest first.
- MATSUDA, EDWARD T CA1998-04-09 → cancelled 2010-04-10
- South San Francisco CERT Communications CA2024-02-23 active