Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N1WKG callsign genealogy
Currently held by Glass Jr, William 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 N1WKG's current licensee, walking backwards.
- Glass Jr, William KCTgranted 2022-06-14cancelled 2022-07-09
Successor callsigns
Callsigns held now by people who previously held N1WKG.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N1WKG, oldest first.
- ESTRADA, FRANK J WI1998-10-23 → cancelled 2008-01-15
- Glass Jr, William K CT2022-07-09 active