Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N9TDL callsign genealogy
Currently held by LEE, STEVEN
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 N9TDL's current licensee, walking backwards.
- Long, TobyINgranted 2020-04-22cancelled 2020-05-19
Successor callsigns
Callsigns held now by people who previously held N9TDL.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N9TDL, oldest first.
- LEE, STEVEN IL1993-04-20 → cancelled 2005-04-21
- LONG, TOBY IN2020-05-19 active