Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WA4EMN callsign genealogy
Currently held by Nisenfeld, Eric 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 WA4EMN's current licensee, walking backwards.
- Nisenfeld, Eric MFLgranted 2017-12-05cancelled 2018-01-09
Successor callsigns
Callsigns held now by people who previously held WA4EMN.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WA4EMN, oldest first.
- MALOY, MICHAEL W FL1987-10-06 → cancelled 1999-10-07
- Nisenfeld, Eric M FL2018-01-09 active