Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AE4DL callsign genealogy
Currently held by LAMMERS, DAVID E
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 AE4DL's current licensee, walking backwards.
- LAMMERS, DAVID EFLgranted 2007-07-06cancelled 2007-09-07
Successor callsigns
Callsigns held now by people who previously held AE4DL.
- WEISS, ULRICH WFLgranted 2017-01-13