Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N9AWK callsign genealogy
Currently held by Williams, Brendan J
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 N9AWK's current licensee, walking backwards.
- Williams, Brendan JINgranted 2026-08-11cancelled 2026-08-28
Successor callsigns
Callsigns held now by people who previously held N9AWK.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N9AWK, oldest first.
- GRAMBO, ALAN A IN2014-02-13 → cancelled 2026-05-12
- Williams, Brendan J IN2026-08-28 active