Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KE7KFX callsign genealogy
Currently held by Mammarella, Jim
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 KE7KFX's current licensee, walking backwards.
- Mammarella, JimWAgranted 2006-03-29cancelled 2006-12-26
Successor callsigns
Callsigns held now by people who previously held KE7KFX.
No current licensee on record previously held this callsign.