Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KE7ZIS callsign genealogy
Currently held by CRISTALDI, MICAH J
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 KE7ZIS's current licensee, walking backwards.
- CRISTALDI, MICAH JMTgranted 2001-06-27cancelled 2009-01-20
Successor callsigns
Callsigns held now by people who previously held KE7ZIS.
No current licensee on record previously held this callsign.