Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AD7MY callsign genealogy
Currently held by PORTER, RALPH M
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 AD7MY's current licensee, walking backwards.
- PORTER, RALPH MNVgranted 2006-02-22cancelled 2007-04-11
Successor callsigns
Callsigns held now by people who previously held AD7MY.
No current licensee on record previously held this callsign.