Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N9DWK callsign genealogy
Currently held by LANDRY, DENNIS P
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 N9DWK's current licensee, walking backwards.
- Krzyzanowski, Dale WWIgranted 2019-11-05cancelled 2019-12-06
Successor callsigns
Callsigns held now by people who previously held N9DWK.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N9DWK, oldest first.
- LANDRY, DENNIS P IN1988-05-10 → cancelled 2000-05-11
- Krzyzanowski, Dale W WI2019-12-06 active