Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KI6TSZ callsign genealogy
Currently held by Van Reyendam, Johan
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 KI6TSZ's current licensee, walking backwards.
- Van Reyendam, JohanCAgranted 2008-10-22cancelled 2008-10-22
Successor callsigns
Callsigns held now by people who previously held KI6TSZ.
- Van Reyendam, JohanCAgranted 2018-10-18