Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N9WT callsign genealogy
Currently held by Miller, Mark K
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 N9WT's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held N9WT.
- Miller, Mark KWIgranted 2002-12-14cancelled 2011-04-26
All historical holders
Every license row we've seen with the callsign N9WT, oldest first.
- Miller, Mark K WI1996-11-04 → cancelled 2002-12-14
- Hahn, David L WI2026-03-10 active