Confidence: Medium · Source: FCC ULS · As of 2026-09-15
W8TJH callsign genealogy
Currently held by HELTUNEN, THOMAS J
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 W8TJH's current licensee, walking backwards.
- HELTUNEN, THOMAS JMIgranted 2014-01-11cancelled 2026-03-07
Successor callsigns
Callsigns held now by people who previously held W8TJH.
- HELTUNEN, THOMAS JMIgranted 2014-01-11cancelled 2026-03-07