Search results
Results from the Go Local Guru Content Network
AN/AAR-47(V)1 Original version providing missile warning with IR detectors. AN/AAR-47(V)2 Adds laser warning sensors to the optical sensor modules and extends temperature operation range and operational life. [11] AN/AAR-47A(V)2 Adds UV detectors, increases detection sensitivity and extends temperature operation range and operational life. [10]
What are now New Jersey Transit's Morris & Essex Lines (the Morristown Line and Gladstone Branch) and Montclair-Boonton Line were electrified by the Delaware, Lackawanna and Western Railroad at 3000 V DC in 1930/31. [25] By August 1984 the lines had all been converted to 25 kV 60 Hz by NJ Transit. [26]
Sign in to AOL Mail, a free and secure email service with advanced settings, mobile access, and personalized compose. Get live help from AOL experts if needed.
A total of 4,586 PCC cars were purchased by United States transit companies: 1,057 by Pullman Standard and 3,534 by St. Louis. Most transit companies purchased one type, but Chicago, Baltimore, Cleveland, and Shaker Heights ordered from both. The Baltimore Transit Co. (BTC) considered the Pullman cars of superior construction and easier to work on.
The Metropolitan Transportation Authority (MTA) is a public benefit corporation responsible for public transportation in the New York City metropolitan area in the northeastern United States.
The primary exception to this situation is in the field of heavy rapid transit, such as subways and elevated lines, which make use of a localization of the British practice, or a combination of the AAR and British systems. Some freight railroads also still use route signalling.
ARC-Authentication-Results (abbreviated AAR) - A combination of an instance number (i) and the results of the SPF, DKIM, and DMARC validation ARC-Seal (abbreviated AS ) - A combination of an instance number (i), a DKIM-like signature of the previous ARC-Seal headers, and the validity of the prior ARC entries.
The plus sign (+) and the minus sign (−) are mathematical symbols used to denote positive and negative functions, respectively. In addition, + represents the operation of addition , which results in a sum , while − represents subtraction , resulting in a difference . [ 1 ]