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AN/APN-77 Doppler radar set in SZ-1B, USN helicopters; AN/APN-78 Doppler radar set for helicopters; AN/APN-79 Doppler radar set by Teledyne for helicopters; AN/APN-81 Doppler radar set for RB/WB-66 WB-50 C-130 and KC-135; AN/APN-82 improved AN/APN-81 (with integration of AN/ASN-6); for EB/RB/WB-66 and KC-135; AN/APN-85 navigation radar by ...
128 [6] of the WSR-57 and WSR-74 model radars were spread across the country as the National Weather Service's radar network until the 1990s. They were gradually replaced by the WSR-88D model (Weather Surveillance Radar - 1988, Doppler), constituting the NEXRAD network. The WSR-74 had served the NWS for two decades.
AN/APN-81 Doppler radar navigation system, mid-1950s. Doppler radar tends to be lightweight because it eliminates heavy pulse hardware. The associated filtering removes stationary reflections while integrating signals over a longer time span, which improves range performance while reducing power. The military applied these advantages during the ...
NEXRAD or Nexrad (Next-Generation Radar) is a network of 159 high-resolution S-band Doppler weather radars operated by the National Weather Service (NWS), an agency of the National Oceanic and Atmospheric Administration (NOAA) within the United States Department of Commerce, the Federal Aviation Administration (FAA) within the Department of Transportation, and the U.S. Air Force within the ...
The Sangamon Mass Transit District (SMTD) is a regional mass transit district that mostly serves Springfield, Illinois along with a few neighboring communities. It is governed by a seven-member board of trustees, who are all appointed by the Sangamon County Board of Supervisors. [3]
Route #50 was renumbered Route #450 and rerouted to run along NY 50 from Schenectady to Wilton Mall with no deviations. New Routes #451 and #452 include former Route #50 deviations, as well as portions of old Routes #472 and #473. CDTA plans to eventually construct a Saratoga Springs bus garage at Grande Industrial Park, off of Geyser Rd.
Weather radar in Norman, Oklahoma with rainshaft Weather (WF44) radar dish University of Oklahoma OU-PRIME C-band, polarimetric, weather radar during construction. Weather radar, also called weather surveillance radar (WSR) and Doppler weather radar, is a type of radar used to locate precipitation, calculate its motion, and estimate its type (rain, snow, hail etc.).
Springfield station is a brick railroad depot in Springfield, Illinois, the state capital. It is at mile 185 on Amtrak 's Illinois and Missouri Route . As of 2007, it is served by five daily round trips each way: the daily Texas Eagle , and four daily Lincoln Service frequencies.