Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WA9DIY callsign genealogy
Currently held by FOSTER SR, JAMES R
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 WA9DIY's current licensee, walking backwards.
- FOSTER SR, JAMES RWIgranted 2000-04-13cancelled 2010-03-19
Successor callsigns
Callsigns held now by people who previously held WA9DIY.
No current licensee on record previously held this callsign.