Confidence: Medium · Source: FCC ULS · As of 2026-09-11
N8CSZ callsign genealogy
Currently held by PORTER, WALTER S
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 N8CSZ's current licensee, walking backwards.
- PORTER, WALTER SOHgranted 2014-09-24cancelled 2018-01-09
Successor callsigns
Callsigns held now by people who previously held N8CSZ.
- PORTER, WALTER SOHgranted 2014-09-24cancelled 2018-01-09
All historical holders
Every license row we've seen with the callsign N8CSZ, oldest first.
- PORTER, WALTER S OH1996-02-07 → cancelled 2004-11-05
- PORTER, WALTER S OH2018-01-09 active