dtv is from only channels 2 through 51. 52 through 69 are disappearing for the same reasons channels 70 through 83 and previously channels 84 through 114. Channels 2 through 6, 54 to 88Mhz are going to be mostly ignored by dtv. They are low frequency and require the long/wide elements on an antenna.They suffer interference from the FM radio broadcast bands and vice versa. Channels 7 through 13 are 174 to 225 Mhz. Channels 14 and up start on the upper side of the 470Mhz Ham and and two way radio bands. The so called "dtv" is usually built without the specific long elements for channels 2-6. This causes no loss on channels 7-52 and cuts the antenna width by 2/3 and reduces the length by half. My antenna has no elements for channels 2-6 but receives them just well as the old antenna. The TV signal maybe weaker but the amount of FM radio interference has also been reduced.It's about a draw on performance. The advantage is a much smaller antenna that doesn't wind load the tower and rotor as much. The main problems are old crummy RG-59 coax, no antenna amp, no rotor and a poorly designed/poorly constructed dtv converter box.
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Today's Featured Article - Weldin Basics, Part 3 - by Curtis von Fange. Oxy-acetylene Welding - Part One In our series on welding we have taken a brief look at AC and DC arc welding along with basic techniques and safety equipment required for safe usage. Since our premise is to cover welding types that might best be used on a farm environment we have kept our overview purposefully simple and general. The second type of welding that this observer finds quite useful in
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