The temperature to which you are referring is called the glass transformation temperature. This is the temperature range at which glass changes from exhibiting solid characteristics to exhibiting liquid characteristics.
It looks like HughesNet is trying their best to keep pace with new competition from Verizon's fixed LTE service Home Fusion, which offers users service in $60 (10 GB cap), $90 (20 GB cap) and $120 (30 GB plan) flavors.
From the HughesNet Service Tools website. A utility that will run on your PC that will enable you to automatically schedule downloads during the Download Zone, Bonus Period, or at another time. You will be presented with a screen that has information on the download manager and with a button to download it.