Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KK5TO callsign genealogy
Currently held by NORWOOD MR, THOMAS S
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 KK5TO's current licensee, walking backwards.
- NORWOOD MR, THOMAS SNVgranted 2019-11-26cancelled 2021-12-07
- NORWOOD MR, THOMAS SNVgranted 2016-01-19cancelled 2019-11-26
- NORWOOD MR, THOMAS SCAgranted 2015-01-30cancelled 2016-01-19
- NORWOOD, THOMAS SCAgranted 2010-01-15cancelled 2015-01-30
- NORWOOD, THOMAS SCAgranted 2008-07-30cancelled 2010-01-15
- NORWOOD, THOMAS Scancelled 1998-10-27
Successor callsigns
Callsigns held now by people who previously held KK5TO.
All historical holders
Every license row we've seen with the callsign KK5TO, oldest first.
- DEINES, JEFFREY M TX1996-02-29 → cancelled 2000-03-03
- NORWOOD MR, THOMAS S TX2021-12-07 → cancelled 2023-10-06