Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W5JZS callsign genealogy
Currently held by Sisson, Jonathon G
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 W5JZS's current licensee, walking backwards.
- Sisson, Jonathon GTXgranted 2026-07-25cancelled 2026-08-14
Successor callsigns
Callsigns held now by people who previously held W5JZS.
No current licensee on record previously held this callsign.