The Fundamentals of GPS
Not all GPS positions are created equal.Natural and man-made error sources can degrade the standalone accuracy of GPS by as much as 100 meters horizontally and 300 meters vertically ... we can hope for a 30 centimeter-3 meter solution.
Resistivity is the key to measuring electrical resistance
Bulk resistivity units are typically given in Ohm-centimeters (Ω-cm). The length, width and thickness of the material ... but a measure of the quality of the electrical connection. Figure 3 has two 1-in. square stainless-steel blocks with the test ...
A Tale of Two Centimeters: The Near Collapse of the Colorado River Dam System in 1983.
My opposition to the Glen Canyon dam was consistent even before I stumbled across this story of how two centimeters came between the greatest ... 14 Banqiao and Shimantan combined released 600 million cubic meters of water: Powell Reservoir in June 1983 ...
Paper Folding to the Moon
If you folded this piece of paper in half, it would now be twice as thick as it was before: So my question is this: how many ... cm. That means one page is about 0.01 cm high. And what of the Moon? Mean distance from the Earth is about 384,000 km, or about ...
'Odd-Split' Repeaters on 2 Meters
I've heard many people talk about these "odd-split" machines ... I personally have no problem with 1 Mc split repeaters on 2 meters as long as they're contained in the commonly accepted pairs for them. Electrically speaking, it's actually more desirable ...