Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AD0EI callsign genealogy
Currently held by Ma, Daniel 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 AD0EI's current licensee, walking backwards.
- Ma, Daniel JMNgranted 2012-01-26cancelled 2013-05-17
Successor callsigns
Callsigns held now by people who previously held AD0EI.
No current licensee on record previously held this callsign.