Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N6DAI callsign genealogy
Currently held by Isaacson, Duane A
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 N6DAI's current licensee, walking backwards.
- Isaacson, Duane ACAgranted 2020-10-30cancelled 2020-11-17
Successor callsigns
Callsigns held now by people who previously held N6DAI.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N6DAI, oldest first.
- THOMPSON, RICHARD D CA1995-06-14 → cancelled 2007-06-15
- Isaacson, Duane A CA2020-11-17 active