Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W5ITM callsign genealogy
Currently held by Viitasalo, Juho P
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 W5ITM's current licensee, walking backwards.
- Viitasalo, Juho PTXgranted 2017-02-10cancelled 2017-03-07
Successor callsigns
Callsigns held now by people who previously held W5ITM.
No current licensee on record previously held this callsign.