Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W9DGK callsign genealogy
Currently held by KNIGHT, DAVID G
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 W9DGK's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held W9DGK.
- KNIGHT, DAVID GIAgranted 2017-05-31cancelled 2019-08-13
All historical holders
Every license row we've seen with the callsign W9DGK, oldest first.
- KNIGHT, DAVID G IL2011-11-29 → cancelled 2017-05-31
- KNIGHT, DAVID G IL2019-08-13 active