Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4DSE callsign genealogy
Currently held by EHRENFELD, DAN
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 W4DSE's current licensee, walking backwards.
- EHRENFELD, DANFLgranted 2017-01-19cancelled 2019-06-29
Successor callsigns
Callsigns held now by people who previously held W4DSE.
- EVERETTE, MICHAEL LNCgranted 2023-12-15
All historical holders
Every license row we've seen with the callsign W4DSE, oldest first.
- EVERETTE, MICHAEL L NC2010-03-06 → cancelled 2013-12-17
- EHRENFELD, DAN FL2019-06-29 active