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.
MythTV, Open Source DVR. MythTV is a Free Open Source software digital video recorder (DVR) project distributed under the terms of the GNU GPL. It has been under heavy development since 2002, and now contains most features one would expect from a good DVR (and many new ones that you soon won't be able to live without). If you are interested in learning more about MythTV (or just want to check out some screenshots), please take a look at MythTV In Detail.