Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W5THX callsign genealogy
Currently held by Ivy, Zachary N
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 W5THX's current licensee, walking backwards.
- IVY, ZACHARY NTXgranted 2013-09-26cancelled 2017-07-18
Successor callsigns
Callsigns held now by people who previously held W5THX.
No current licensee on record previously held this callsign.