Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W7TCM callsign genealogy
Currently held by Newhouse, William R
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 W7TCM's current licensee, walking backwards.
- Newhouse, William RAZgranted 2011-11-30cancelled 2011-12-30
Successor callsigns
Callsigns held now by people who previously held W7TCM.
No current licensee on record previously held this callsign.