Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AI4OQ callsign genealogy
Currently held by RAMJATTAN, HAROLD B
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 AI4OQ's current licensee, walking backwards.
- RAMJATTAN, HAROLD BFLgranted 2002-04-10cancelled 2006-03-02
- AB4NFno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held AI4OQ.
- RAMJATTAN, HAROLD BFLgranted 2002-04-10cancelled 2007-10-16