Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KW1SKY callsign genealogy
Currently held by COWELL, JEFFREY 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 KW1SKY's current licensee, walking backwards.
- Tonini, William HCTgranted 2024-03-05cancelled 2024-03-23
Successor callsigns
Callsigns held now by people who previously held KW1SKY.
- COWELL, JEFFREY GLAgranted 2017-12-22
All historical holders
Every license row we've seen with the callsign KW1SKY, oldest first.
- COWELL, JEFFREY G LA2009-02-24 → cancelled 2017-12-22
- Tonini, William H CT2024-03-23 active