Lucency is a technical term for an area that lets x-rays through tissue and appears darker on the picture. Peri-screw lucency is a result of having had a peri-screw insert â¦ ed into the bone, possibly due to an accident.1 person found this useful. They're is a contraction or shortening of 'they are'.   . Their means belonging to people or things previously mentioned or  easily identified (Your parents do not look similar, except for  their noses).
Amplified antennas are best for the suburbs and rural areas, where a TV signal has to travel a greater distance. They also tend to perform better in rainy or stormy conditions, which can also affect how well a signal travels.
By Placement. Off-Air HDTV Antennas. The aim of HD TV Antenna Labs is to provide unbiased hd antenna reviews, technical articles and antennas comparison. Before buying an HD antenna, make sure you read our HDTV antenna selection guide and HDTV antenna reviews written by us and other antenna owners like you!