SRTM To BGL
From FSDeveloper Wiki
Introduction
SRTM_TO_BGL is a freeware scenery design tool for FS9/FSX that converts NASA SRTM files into Flight Simulator scenery BGL files.
Tutorial
A tutorial called "Easy Terrain Editing Tutorial" by Gerhard Scheuerecker is available from AVSIM.com.
This tutorial includes the SRTM_TO_BGL program.
The FSX version of the tutorial can be downloaded from this link:- http://library.avsim.net/esearch.php?CatID=fsxsd&DLID=135485
The FS9 version of the tutorial can be downloaded from this link:- http://library.avsim.net/esearch.php?CatID=fs2004sd&DLID=93084