Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AI4VS callsign genealogy
Currently held by Ricker, Ralph 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 AI4VS's current licensee, walking backwards.
- Ricker, Ralph CFLgranted 2002-01-11cancelled 2007-03-23
Successor callsigns
Callsigns held now by people who previously held AI4VS.
No current licensee on record previously held this callsign.