Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC7IUZ callsign genealogy
Currently held by Roberts, John W
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 KC7IUZ's current licensee, walking backwards.
- Roberts, John WWAgranted 2005-01-27cancelled 2011-03-15
Successor callsigns
Callsigns held now by people who previously held KC7IUZ.
- Roberts, John WWAgranted 2005-01-27cancelled 2011-03-15
All historical holders
Every license row we've seen with the callsign KC7IUZ, oldest first.
- Roberts, John W WA2005-01-27 → cancelled 2007-09-18
- Roberts, John W TX2021-07-22 active