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.
Best Answer: A DVR is just a hard drive that records the digital video signal, or converts the analog video signal to digital, and records that. You do not have to have cable.