Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KZ7ZZ callsign genealogy
Currently held by Tountas, Louis T
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 KZ7ZZ's current licensee, walking backwards.
- TOUNTAS, THOMASWAgranted 2007-11-10cancelled 2011-09-13
Successor callsigns
Callsigns held now by people who previously held KZ7ZZ.
- Tountas, Louis TWAgranted 2018-01-12
All historical holders
Every license row we've seen with the callsign KZ7ZZ, oldest first.
- Tountas, Louis T WA2006-06-06 → cancelled 2008-01-15
- TOUNTAS, THOMAS WA2011-09-13 → cancelled 2023-09-14