Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4DAA callsign genealogy
Currently held by Lange, Daniel 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 W4DAA's current licensee, walking backwards.
- Lange, Daniel MTNgranted 2010-10-25cancelled 2012-08-14
Successor callsigns
Callsigns held now by people who previously held W4DAA.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4DAA, oldest first.
- COX, WILLIAM M VA1997-05-20 → cancelled 2009-05-21
- Lange, Daniel M MI2023-01-31 active