Inexpensive Over-the-air (OTA) personal video recorders (PVR) are available under different names:

* Mediasonic Homeworx * IView * eMatic

mStar is a Chinese company that developed a reference design and firmware for a digital converter box/DVR. The design was an outgrowth of the old CECBs (coupon eligible converter box) that the government told people to buy to watch digital TV broadcasts during the transition from analog to digital… – broadTVviewer¹⁾

• view OTA broadcasts
• record OTA when a usb drive is present
• schedule recordings once / daily / weekly
• play back recordings and other media on USB

• Homeworx HW-150PVR thread on AVS Forum.