Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KW0S callsign genealogy
Currently held by GAINES, HARRY J
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 KW0S's current licensee, walking backwards.
- GAINES, HARRY JMOgranted 2003-05-09cancelled 2006-04-04
Successor callsigns
Callsigns held now by people who previously held KW0S.
- GAINES, HARRY JMOgranted 2003-05-09cancelled 2006-04-04
All historical holders
Every license row we've seen with the callsign KW0S, oldest first.
- GAINES, HARRY J MO2001-01-20 → cancelled 2003-05-09
- GAINES, HARRY J MO2016-03-11 active