Depending on how much you want to download at a time, you can either download the package with all the FCC terrain or download it with no terrain and download the terrain you need separately. Unzip the terrain files into the "rfSoftware\resources\terFCC30sec" folder created when you install rfProfiler Light.

rfProfiler Light v1.6 with all FCC terrain (12.7M)

rfProfiler Light v1.6 with no terrain (5.5M)

rfProfiler Light Updater. Bring previous versions to v1.6 (1.5M)

FCC 30-sec terrain data:

West (2.7M) west of 110°	Central (2.7M) 90° to 110°	East (1.7M) east of 90°