LDE
The abbreviation LDE denotes:
- the Lourdes Airport (IATA code)
- the Leipzig-Dresdner Eisenbahn-Compagnie , a former railway company in Saxony
- the Líneas Aéreas del Estado , Argentine airline (ICAO code)
- a so-called teacher demonstration experiment in science lessons
- long delayed echo , radio echoes with a delay of over 2.7 seconds, a phenomenon of unclear origin, see long delayed radio echo