Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7ZDX callsign genealogy
Currently held by PORTER, LARRY G
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 K7ZDX's current licensee, walking backwards.
- PORTER, LARRY Gcancelled 1999-03-11
Successor callsigns
Callsigns held now by people who previously held K7ZDX.
No current licensee on record previously held this callsign.