Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K9CSN callsign genealogy
Currently held by Community Safety Network/CERT
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 K9CSN's current licensee, walking backwards.
- KD9MBNcancelledCommunity Safety Network/CERTILgranted 2018-11-27cancelled 2018-12-18
Successor callsigns
Callsigns held now by people who previously held K9CSN.
No current licensee on record previously held this callsign.