Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4EMM callsign genealogy
Currently held by ARMSTRONG, RALPH A
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 W4EMM's current licensee, walking backwards.
- MORDIS, EDWARD MFLgranted 1999-03-02cancelled 2008-12-30
Successor callsigns
Callsigns held now by people who previously held W4EMM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4EMM, oldest first.
- ARMSTRONG, RALPH A GA1994-04-12 → cancelled 2006-04-14
- MORDIS, EDWARD M FL2018-10-04 active