Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AI1DX callsign genealogy
Currently held by Sinnamo, Jorma
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 AI1DX's current licensee, walking backwards.
- Sinnamo, JormaMAgranted 2013-05-20cancelled 2013-07-16
Successor callsigns
Callsigns held now by people who previously held AI1DX.
No current licensee on record previously held this callsign.