Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W7TCR callsign genealogy
Currently held by Oswald, Robert 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 W7TCR's current licensee, walking backwards.
- Oswald, RobertORgranted 2014-05-29cancelled 2015-08-21
Successor callsigns
Callsigns held now by people who previously held W7TCR.
No current licensee on record previously held this callsign.