Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N6ZT callsign genealogy
Currently held by RIDDLE, SCOT L
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 N6ZT's current licensee, walking backwards.
- RIDDLE, SCOT LCAgranted 2015-04-01cancelled 2020-01-24
Successor callsigns
Callsigns held now by people who previously held N6ZT.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N6ZT, oldest first.
- Nimms, Richard A CA2007-10-22 → cancelled 2020-01-01
- RIDDLE, SCOT L CA2020-01-24 active