Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K9ROA callsign genealogy
Currently held by Swain, David M
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 K9ROA's current licensee, walking backwards.
- Swain, David MINgranted 2013-12-04cancelled 2017-01-14
Successor callsigns
Callsigns held now by people who previously held K9ROA.
No current licensee on record previously held this callsign.