Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KT0W callsign genealogy
Currently held by Hauser, Nicholas E
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 KT0W's current licensee, walking backwards.
- Hauser, Nicholas ESDgranted 2016-02-19cancelled 2019-07-26
Successor callsigns
Callsigns held now by people who previously held KT0W.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KT0W, oldest first.
- Ackerman, Grant E KS2007-08-13 → cancelled 2017-07-05
- Hauser, Nicholas E SD2019-07-26 active