Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K0TSH callsign genealogy
Currently held by HOWE, CLYDE A
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 K0TSH's current licensee, walking backwards.
- Hurvitz, Steven EMNgranted 2007-07-31cancelled 2009-05-15
Successor callsigns
Callsigns held now by people who previously held K0TSH.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K0TSH, oldest first.
- HOWE, CLYDE A KS1994-03-22 → cancelled 2006-03-23
- Hurvitz, Steven E MN2019-03-11 active