Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AJ4IR callsign genealogy
Currently held by Indian River Amateur Radio Club
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 AJ4IR's current licensee, walking backwards.
- KJ4ZWVcancelledIndian River Amateur Radio ClubFLgranted 2011-01-19cancelled 2011-02-08
Successor callsigns
Callsigns held now by people who previously held AJ4IR.
- NARANBAATAR, TUMEN ULZIIVAgranted 2018-04-26
All historical holders
Every license row we've seen with the callsign AJ4IR, oldest first.
- NARANBAATAR, TUMEN ULZII VA2008-05-28 → cancelled 2008-06-17
- Indian River Amateur Radio Club FL2020-12-16 active