Generally, if the airspace is not Class A, B, C, or D, and is controlled airspace, then it is Class E airspace. Class E airspace extends upward from either the surface or a designated altitude to the overlying or adjacent controlled airspace.
So, what is the HDHomeRun DVR service? Itâs our mission to simplify and change the way we watch and record live television. SiliconDust has created the ultimate live television viewing and recording software tool called the HDHomeRun DVR service.
1 Set the DVR to record every show in a series or every time a show is on. 2  Record up to 80 hours of standard definition programming (or 18 hours of HD programming if your DVR is an HD DVR).