Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W9GTP callsign genealogy
Currently held by VIDAKOVIC, MATHEW D
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 W9GTP's current licensee, walking backwards.
- Vidakovic, Mathew DFLgranted 2001-01-24cancelled 2008-12-05
Successor callsigns
Callsigns held now by people who previously held W9GTP.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W9GTP, oldest first.
- VIDAKOVIC, NICK G FL1996-04-15 → cancelled 2006-03-02
- VIDAKOVIC, MATHEW D FL2018-12-04 active