Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N9TCZ callsign genealogy
Currently held by Petrie, Gerald
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 N9TCZ's current licensee, walking backwards.
- Petrie, GeraldWAgranted 2013-03-13cancelled 2015-04-21
Successor callsigns
Callsigns held now by people who previously held N9TCZ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N9TCZ, oldest first.
- PETRIE, GERALD B WI1993-04-20 → cancelled 2005-04-21
- Petrie, Gerald WA2015-04-21 active