The mods are a snap to install using JSGME. Download JSGME first and install it as per the directions: I think directly into your SHIV folder. Then, I suggest using either TMO 2.2 w/RSRDC or RFB w/RSRDC. There's a lot of info to be found about each in the Mods Workshop section:
http://www.subsim.com/radioroom/forumdisplay.php?f=219