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Free-space path loss. In telecommunication, the free-space path loss ( FSPL) (also known as free-space loss, FSL) is the attenuation of radio energy between the feedpoints of two antennas that results from the combination of the receiving antenna's capture area plus the obstacle-free, line-of-sight (LoS) path through free space (usually air). [1]
In mathematics, the logarithm is the inverse function to exponentiation. That means that the logarithm of a number x to the base b is the exponent to which b must be raised to produce x. For example, since 1000 = 103, the logarithm base of 1000 is 3, or log10 (1000) = 3.
Anyone who pays Keystone State taxes can find their refund information by visiting the Pennsylvania Department of Revenue’s website and logging in to the agency’s myPATH portal, which requires ...
Nemacolin, Pennsylvania in Greene County was a planned community developed in the early 20th century around steelworks. The site now known as Nemacolin's Castle in Brownsville, Pennsylvania may well have been visited by Chief Nemacolin, for a fireplace dates from the late 18th century, and the site had been inhabited by Native American peoples ...
The Newville Historic District is a national historic district which is located in Newville, Cumberland County, Pennsylvania. The district is bordered roughly by Cove Alley, Big Spring Creek, the right-of-way for the Cumberland Valley Railroad, and Washington Street, [2] and encompasses 414 contributing buildings, one contributing site, and two ...
Pennsylvania ( / ˌpɛnsɪlˈveɪniə / ⓘ, lit.'Penn's forest country' ), officially the Commonwealth of Pennsylvania [b] ( Pennsylvania Dutch: Pennsylvanie ), [7] is a state spanning the Mid-Atlantic, Northeastern, Appalachian, and Great Lakes regions of the United States.
The beaver sculpture is by Albert Laessle. Great Minquas Path (or The Great Trail) was a 17th-century trade route that ran through southeastern Pennsylvania from the Susquehanna River, near Conestoga, to the Schuylkill River, opposite Philadelphia. [1] The 80-mile (130 km) east-west trail was the primary route for fur trading with the Minquas ...
Downingtown Log House. / 40.00639°N 75.70500°W / 40.00639; -75.70500. Downingtown Log House is an American historic house located in Downingtown, Chester County, Pennsylvania. It was built circa 1700 and is a -story, round log structure measuring 21 feet 9 inches by 25 feet. The building is a house rather than a cabin because log ...