Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB9IQ callsign genealogy
Currently held by Rustad Sr, Mark S
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 AB9IQ's current licensee, walking backwards.
- Rustad Sr, Mark SWIgranted 2002-08-12cancelled 2004-03-19
Successor callsigns
Callsigns held now by people who previously held AB9IQ.
No current licensee on record previously held this callsign.