Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4HAQ callsign genealogy
Currently held by Ishak, Asrul Shahir
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 K4HAQ's current licensee, walking backwards.
- Ishak, Asrul ShahirMIgranted 2016-10-20cancelled 2016-11-08
Successor callsigns
Callsigns held now by people who previously held K4HAQ.
No current licensee on record previously held this callsign.