Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W5ITR callsign genealogy
Currently held by THEISS, ROBERT
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 W5ITR's current licensee, walking backwards.
- THEISS, ROBERTTXgranted 2018-11-08cancelled 2018-12-11
Successor callsigns
Callsigns held now by people who previously held W5ITR.
No current licensee on record previously held this callsign.