Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W8IDK callsign genealogy
Currently held by Rosser, Matthew g
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 W8IDK's current licensee, walking backwards.
- Rosser, Matthew GTXgranted 2019-02-21cancelled 2019-03-12
Successor callsigns
Callsigns held now by people who previously held W8IDK.
No current licensee on record previously held this callsign.