Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N9HAX callsign genealogy
Currently held by Blow, Christopher
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 N9HAX's current licensee, walking backwards.
- Blow, ChristopherINgranted 2017-08-14cancelled 2017-09-26
Successor callsigns
Callsigns held now by people who previously held N9HAX.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N9HAX, oldest first.
- BARRINGER, DAVID A IL1987-12-01 → cancelled 1999-12-02
- Blow, Christopher IN2017-09-26 active