cancelling service before 30 days are up
There is no 30 day trial with HughesNet, so when you cancel you'll be subject to an Early Termination Fee. If you are a residential subscriber your ETF would be $400. After 90 days it starts reducing by $15 per month.
http://legal.hughesnet.com/ServiceTermsAndConditions-current.cfm
Is there some type of problem you're experiencing?