Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA4DIY callsign genealogy
Currently held by Smith, Brian C
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 KA4DIY's current licensee, walking backwards.
- Smith, Brian CSCgranted 2022-03-29cancelled 2022-04-26
Successor callsigns
Callsigns held now by people who previously held KA4DIY.
No current licensee on record previously held this callsign.