Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K9RTO callsign genealogy
Currently held by BROWN, STEVEN N
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 K9RTO's current licensee, walking backwards.
- Brown, Steven NINgranted 2009-08-11cancelled 2009-09-15
Successor callsigns
Callsigns held now by people who previously held K9RTO.
No current licensee on record previously held this callsign.