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Solid State Phased Array Radar System
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<h2 id="classification-of-radar-systems">Classification of radar systems</h2> <p class="note">Further information: <a href="/facts/Joint_Electronics_Type_Designation_System/FPkgSDUc">Joint Electronics Type Designation System</a></p> <p>Under the <a href="/facts/Joint_Electronics_Type_Designation_System/FPkgSDUc">Joint Electronics Type Designation System</a> (JETDS), all U.S. military radar and tracking systems are assigned a unique identifying alphanumeric designation. The letters “AN” (for Army-Navy) are placed ahead of a three-letter code.<a class="footnote-ref" id="fnref:5" href="#fn:5"><sup>5</sup></a> </p> <ul><li>The first letter of the three-letter code denotes the type of platform hosting the electronic device, where A=Aircraft, F=Fixed (land-based), S=Ship-mounted, and T=Ground transportable.</li> <li>The second letter indicates the type of equipment, where P=Radar (pulsed), Q=Sonar, and R=Radio.</li> <li>The third letter indicates the function or purpose of the device, where G=Fire control, R=Receiving, S=Search, and T=Transmitting.</li></ul> <p>The AN/FPS-132 Upgraded Early Warning Radar (UEWR) is a series of <a href="/facts/Phased_array_radar/5wvA9WLV">phased array radar</a> systems used for long-range <a href="/facts/Early-warning_radar/AV31R0zL">early warning</a> and <a href="/facts/Space_surveillance/CC3nQoUw">space surveillance</a>, operating as part of the <a href="/facts/United_States_national_missile_defense/v1omy7IC">United States Missile Defense</a> and <a href="/facts/Space_Surveillance_Network/C4svRvSp">Space Surveillance Network</a>. </p><p>Thus, the AN/FPS-132 represents the 132nd design of an Army-Navy “Fixed, Radar, Search” electronic device.<a class="footnote-ref" id="fnref:6" href="#fn:6"><sup>6</sup></a><a class="footnote-ref" id="fnref:7" href="#fn:7"><sup>7</sup></a> </p> <h2 id="history">History</h2> <p>The Solid State Phased Array Radar System is a phased array radar with 2500 "solid state transmitter" modules.<a class="footnote-ref" id="fnref:8" href="#fn:8"><sup>8</sup></a> </p><p>It began replacing PAVE PAWS when the first AN/FPS-115 face was taken off-line for the radar upgrade. New <a href="/facts/PAVE_PAWS/kkGdov5R">AN/FPS-123</a> Early Warning Radars became operational at (Beale) and (Cape Cod) in each base's existing PAVE PAWS "Scanner Building".<a class="footnote-ref" id="fnref:9" href="#fn:9"><sup>9</sup></a> </p><p>In 2001 SSPARS equipment included: </p> <ul><li>Raytheon AN/FPS-123 PAVE PAWS Radar<a class="footnote-ref" id="fnref:10" href="#fn:10"><sup>10</sup></a> at <a href="/facts/Beale_Air_Force_Base/ctU8bJ9C">Beale</a> (FPS-115 <a href="/facts/Initial_operating_capability/F0dUJeWs">IOC</a> 4 April 1980) and Cape Cod (FPS-115 <a href="/facts/Initial_operating_capability/F0dUJeWs">IOC</a> 15 August 1980)<a class="footnote-ref" id="fnref:11" href="#fn:11"><sup>11</sup></a></li> <li>Raytheon <a href="/facts/PAVE_PAWS/kkGdov5R">AN/FPS-120</a> Solid State Phased Array Radar at <a href="/facts/Thule_Air_Station/nYVRngCC">Thule</a> ("2QFY87")<a class="footnote-ref" id="fnref:12" href="#fn:12"><sup>12</sup></a> with greater radar capabilities than the FPS-115 PAVE PAWS radars</li> <li>Raytheon <a href="/facts/PAVE_PAWS/kkGdov5R">AN/FPS-126</a> Solid State Phased Array Radar at <a href="/facts/RAF_Fylingdales/5vduKcBK">Fylingdales</a> with three faces for 360 degree coverage (constructed August 1989-October 1992)<a class="footnote-ref" id="fnref:13" href="#fn:13"><sup>13</sup></a></li> <li>Raytheon AN/FPS-120<a class="footnote-ref" id="fnref:14" href="#fn:14"><sup>14</sup></a> Solid State Phased Array Radar using an older antenna from the 1987<a class="footnote-ref" id="fnref:15" href="#fn:15"><sup>15</sup></a> <a href="/facts/Eldorado_Air_Force_Station/NV1bt0rz">PAVE PAWS EWR in Texas</a> (groundbreaking 16 April 1998,<a class="footnote-ref" id="fnref:16" href="#fn:16"><sup>16</sup></a> for the "Clear Radar Upgrade")<a class="footnote-ref" id="fnref:17" href="#fn:17"><sup>17</sup></a></li></ul> <p>After the Fylingdales BMEWS radars had been replaced by Raytheon/<a href="/facts/Cossor_AeroSpace/Y1hGehSN">Cossor AeroSpace</a> and <a href="/facts/Control_Data_Corporation/ChfGgfPM">Control Data Corporation</a> (embedded CDC-Cyber computer) at a cost of US $100M, in February 1995 the "missile warning center at <a href="/facts/Cheyenne_Mountain_Air_Station/0TzA8hjI">Cheyenne Mountain AS</a> [was] undergoing a $450 million upgrade program".<a class="footnote-ref" id="fnref:18" href="#fn:18"><sup>18</sup></a> The entire SSPARS became operational on 31 January 2001 when the "SSPARS Site"<a class="footnote-ref" id="fnref:19" href="#fn:19"><sup>19</sup></a> at Clear AFS (separate from the BMEWS site) had <a href="/facts/Initial_Operational_Capability/F0dUJeWs">Initial Operational Capability</a>.<a class="footnote-ref" id="fnref:20" href="#fn:20"><sup>20</sup></a> The Clear AN/FPS-120 was subsequently "upgraded to the AN/FPS-123 model" SSPA Radar,<a class="footnote-ref" id="fnref:21" href="#fn:21"><sup>21</sup></a> and the SSPARS was modified in the Early Warning Radar Service Life Extension Program<a class="footnote-ref" id="fnref:22" href="#fn:22"><sup>22</sup></a> The US approved sale of an[<i>which?</i>] AN/FPS-115 to Taiwan in 2000<a class="footnote-ref" id="fnref:23" href="#fn:23"><sup>23</sup></a> and it was introduced in 2006.<a class="footnote-ref" id="fnref:24" href="#fn:24"><sup>24</sup></a> </p><p><a href="/facts/RAF_Fylingdales/5vduKcBK">The UK</a> and <a href="/facts/Clear_Air_Force_Station/P6IP6mke">Alaska</a> BMEWS stations became SSPARS radar stations when their respective Raytheon AN/FPS-126 radar<a class="footnote-ref" id="fnref:25" href="#fn:25"><sup>25</sup></a> and 2001 Raytheon AN/FPS-120 became operational.<a class="footnote-ref" id="fnref:26" href="#fn:26"><sup>26</sup></a> In 2007, 100 owners/trustees of amateur radio repeaters near AN/FPS-123 radars were notified to lower their power output to mitigate interference,<a class="footnote-ref" id="fnref:27" href="#fn:27"><sup>27</sup></a> and AN/FPS-123s were part of the <a href="/facts/Air_Force_Space_Surveillance_System/XSjlHnNB">Air Force Space Surveillance System</a> by 2009.<a class="footnote-ref" id="fnref:28" href="#fn:28"><sup>28</sup></a> <a href="/facts/BAE_Systems/W1wLXh5x">BAE Systems</a> began a 2007 contract for SSPARS maintenance.<a class="footnote-ref" id="fnref:29" href="#fn:29"><sup>29</sup></a> The SSPARS radar electronics was subsequently upgraded, e.g., the Beale radar<a class="footnote-ref" id="fnref:30" href="#fn:30"><sup>30</sup></a> and the Fylingdales FPS-126 each became an <a href="/facts/AN/FPS-132_Upgraded_Early_Warning_Radar/j05g0T28">AN/FPS-132 Upgraded Early Warning Radar</a> (UEWR)<a class="footnote-ref" id="fnref:31" href="#fn:31"><sup>31</sup></a> by Raytheon.<a class="footnote-ref" id="fnref:32" href="#fn:32"><sup>32</sup></a> The Beale AN/FPS-123 was upgraded to a Raytheon AN/FPS-132 (UEWR) with capabilities to operate in the <a href="/facts/Ground-based_Midcourse_Defense/bcxrN1x8">Ground-based Midcourse Defense</a> (GMD) ABM system—the Beale UEWR included "Avionics", "T/R modules",<a class="footnote-ref" id="fnref:33" href="#fn:33"><sup>33</sup></a> "FEX/TTG", "BSG", "Signal Processor", and other changes.<a class="footnote-ref" id="fnref:34" href="#fn:34"><sup>34</sup></a> After additional UEWR installations for GMD at Thule Site J and the UK (contracted 2003),<a class="footnote-ref" id="fnref:35" href="#fn:35"><sup>35</sup></a> a 2012 ESD/XRX <a href="/facts/Request_for_Information/5TRQnB1F">Request for Information</a> for replacement, and remote operation, of the remaining "PAVE PAWS/BMEWS/PARCS systems" at Cape Cod, Alaska, and North Dakota was issued.<a class="footnote-ref" id="fnref:36" href="#fn:36"><sup>36</sup></a> The Alaska AN/FPS-132 was contracted in fall 2012<a class="footnote-ref" id="fnref:37" href="#fn:37"><sup>37</sup></a> and the Cape Cod installation in 2013.<a class="footnote-ref" id="fnref:38" href="#fn:38"><sup>38</sup></a> </p><p>The AN/FPS-132 Block-5 was ordered by the <a href="/facts/Qatar_Emiri_Air_Force/p2Ntk9CI">Qatar Emiri Air Force</a>, and is in construction.<a class="footnote-ref" id="fnref:39" href="#fn:39"><sup>39</sup></a> </p> <h2 id="system-overview">System overview</h2> <ul><li><a href="/facts/Solid-state_electronics/US0Qbq28">Solid-state</a> <a href="/facts/Phased-array_radar/5wvA9WLV">phased-array radar</a> <ul><li>Each radar installation has multiple faces, where each face provides a 120-degree coverage.<a class="footnote-ref" id="fnref:40" href="#fn:40"><sup>40</sup></a></li></ul></li> <li>Operating frequency: <a href="/facts/Ultra_high_frequency/S6XDUaDY">Ultra high frequency</a> (UHF)<a class="footnote-ref" id="fnref:41" href="#fn:41"><sup>41</sup></a></li> <li>Range: 3,000 miles<a class="footnote-ref" id="fnref:42" href="#fn:42"><sup>42</sup></a></li></ul> <h2 id="locations">Locations</h2> <p>Active: </p> <ul><li><a href="/facts/Beale_Air_Force_Base/ctU8bJ9C">Beale Air Force Base</a>, <a href="/facts/California/zLW2vdQJ">California</a></li> <li><a href="/facts/RAF_Fylingdales/5vduKcBK">RAF Fylingdales</a>, <a href="/facts/United_Kingdom/kuPAILt2">United Kingdom</a></li> <li><a href="/facts/Thule_Site_J/C5TVMGcV">Thule Site J</a> (<a href="/facts/Pituffik_Space_Base/6s8r6EEh">Pituffik Space Base</a>), <a href="/facts/Greenland/aagXRTB7">Greenland</a></li></ul> <p>Planned: </p> <ul><li><a href="/facts/Clear_Space_Force_Station/P6IP6mke">Clear Space Force Station</a>, <a href="/facts/Alaska/LlDNr2uR">Alaska</a></li> <li><a href="/facts/Cape_Cod_Space_Force_Station/DkY35kpQ">Cape Cod Space Force Station</a>, <a href="/facts/Massachusetts/9uumCbFI">Massachusetts</a></li> <li><a href="/facts/Qatar/K4EkNXJE">Qatar</a><a class="footnote-ref" id="fnref:43" href="#fn:43"><sup>43</sup></a></li></ul> <h2 id="see-also">See Also</h2> <ul> <li>Electronics portal</li></ul> <ul><li><a href="/facts/List_of_radars/LT5VMhpy">List of radars</a></li> <li><a href="/facts/List_of_military_electronics_of_the_United_States/xD9ktU3e">List of military electronics of the United States</a></li></ul> <h2 id="references">References</h2> <ol> <li id="fn:1"><p>Chapman, Bert (2008). Space Warfare and Defense: A Historical Encyclopedia and Research Guide (Google books). Bloomsbury Academic. ISBN 978-1-59884-006-3. Retrieved 13 March 2014. BMEWS was replaced by the Solid State Phased Array Radar System (SSPARS) in 2001. <a href="978-1-59884-006-3" target="_blank">978-1-59884-006-3</a> <a href="#fnref:1" class="footnote-back-ref">↩</a></p></li> <li id="fn:2"><p>Carter, Austin; Mattorano, Gino, eds. (2004). Space Command Almanac 2004-2005 (PDF) (Report). HQ AFSPACECOMM Public Affairs. Archived from the original (PDF) on 11 July 2006. <a href="https://web.archive.org/web/20060711202348/http://www.afspc.af.mil/shared/media/document/AFD-060316-011.pdf" target="_blank">https://web.archive.org/web/20060711202348/http://www.afspc.af.mil/shared/media/document/AFD-060316-011.pdf</a> <a href="#fnref:2" class="footnote-back-ref">↩</a></p></li> <li id="fn:3"><p>"Operations, Maintenance and Support for the Solid State Phased Array Radar System (SSPARS) at 5 Geographically Separated Units WorldWide". FedBizOpps.gov. Retrieved 13 March 2014. <a href="https://www.fbo.gov/?s=opportunity&mode=form&tab=core&id=caf2eb4dbcca881980fb2e403a8e3194&_cview=0" target="_blank">https://www.fbo.gov/?s=opportunity&mode=form&tab=core&id=caf2eb4dbcca881980fb2e403a8e3194&_cview=0</a> <a href="#fnref:3" class="footnote-back-ref">↩</a></p></li> <li id="fn:4"><p>Chapman, Bert (2008). Space Warfare and Defense: A Historical Encyclopedia and Research Guide (Google books). Bloomsbury Academic. ISBN 978-1-59884-006-3. Retrieved 13 March 2014. BMEWS was replaced by the Solid State Phased Array Radar System (SSPARS) in 2001. <a href="978-1-59884-006-3" target="_blank">978-1-59884-006-3</a> <a href="#fnref:4" class="footnote-back-ref">↩</a></p></li> <li id="fn:5"><p>Avionics Department (2013). "Missile and Electronic Equipment Designations". Electronic Warfare and Radar Systems Engineering Handbook (PDF) (4 ed.). Point Mugu, California: Naval Air Warfare Center Weapons Division. pp. 2–8.1. <a href="https://apps.dtic.mil/sti/tr/pdf/ADA617071.pdf" target="_blank">https://apps.dtic.mil/sti/tr/pdf/ADA617071.pdf</a> <a href="#fnref:5" class="footnote-back-ref">↩</a></p></li> <li id="fn:6"><p>Avionics Department (2013). "Missile and Electronic Equipment Designations". Electronic Warfare and Radar Systems Engineering Handbook (PDF) (4 ed.). Point Mugu, California: Naval Air Warfare Center Weapons Division. pp. 2–8.1. <a href="https://apps.dtic.mil/sti/tr/pdf/ADA617071.pdf" target="_blank">https://apps.dtic.mil/sti/tr/pdf/ADA617071.pdf</a> <a href="#fnref:6" class="footnote-back-ref">↩</a></p></li> <li id="fn:7"><p>Winkler, David F. (1997). "Radar Systems Classification Methods". Searching the Skies: The Legacy of the United States Cold War Defense Radar Program (PDF). Langley AFB, Virginia: United States Air Force Headquarters Air Combat Command. p. 73. LCCN 97020912. <a href="https://nuke.fas.org/guide/usa/airdef/1997-06-01955.pdf" target="_blank">https://nuke.fas.org/guide/usa/airdef/1997-06-01955.pdf</a> <a href="#fnref:7" class="footnote-back-ref">↩</a></p></li> <li id="fn:8"><p>Skolnik, Merrill I. "Radar Handbook" (PDF). Archived from the original (PDF) on 16 April 2014. <a href="https://web.archive.org/web/20140416175805/http://www.geo.uzh.ch/microsite/rsl-documents/research/SARlab/GMTILiterature/PDF/Skolnik90.pdf" target="_blank">https://web.archive.org/web/20140416175805/http://www.geo.uzh.ch/microsite/rsl-documents/research/SARlab/GMTILiterature/PDF/Skolnik90.pdf</a> <a href="#fnref:8" class="footnote-back-ref">↩</a></p></li> <li id="fn:9"><p>Photographs [and] Written Historical and Descriptive Data: Cape Cod Air Station Technical Facility/Scanner Building and Power Plant (PDF) (Report). Archived from the original (PDF) on 15 July 2014. Retrieved 10 June 2014. Technical Facility/Scanner Building (HAER No. MA-151-A), which houses the AN/FPS-1152 radar and related equipment… PAVE PAWS Site 1 … AN/FSS-7…designed by Avco Electronics Division… The first two PAVE PAWS sites in Massachusetts and California represented the first two-faced phased array radars deployed by the U.S. <a href="https://web.archive.org/web/20140715034251/http://lcweb2.loc.gov/pnp/habshaer/ma/ma1600/ma1633/data/ma1633data.pdf" target="_blank">https://web.archive.org/web/20140715034251/http://lcweb2.loc.gov/pnp/habshaer/ma/ma1600/ma1633/data/ma1633data.pdf</a> <a href="#fnref:9" class="footnote-back-ref">↩</a></p></li> <li id="fn:10"><p>Communications-Electronics (C-E) Managers Handbook (PDF) (Report). Retrieved 13 March 2014. AN/FPS-49 has a traditional azimuth bearing assembly (race and steel balls) while the AN/FPS-92 has a hydrostatic bearing (antenna floats on a high pressure film of hydraulic fluid). AN/FPQ-16 Radar Set, Perimeter Acquisition Radar Attack Characterization System - PARCS: PARCS is a single faced phased array radar system consisting of AN/FPQ-16 radar and an AN/FSQ-100 computer system located at Cavalier AFS, ND. The primary mission of the PARCS is to provide the CMC with TW/AA data on all SLBMs penetrating the coverage area. ... FORCE MANAGEMENT SYSTEM (FMS) PROVIDES THE CONUS NORAD REGION COMMANDER WITH TIME SENSITIVE INFORMATION <a href="http://nato.radioscanner.ru/files/article63/communications_elect.pdf" target="_blank">http://nato.radioscanner.ru/files/article63/communications_elect.pdf</a> <a href="#fnref:10" class="footnote-back-ref">↩</a></p></li> <li id="fn:11"><p>Pike, John. "AN/FPS-115 PAVE PAWS Radar". <a href="http://www.globalsecurity.org/space/systems/pavepaws.htm" target="_blank">http://www.globalsecurity.org/space/systems/pavepaws.htm</a> <a href="#fnref:11" class="footnote-back-ref">↩</a></p></li> <li id="fn:12"><p>"Clear Upgrade (U)". Archived from the original on 11 October 2008. Retrieved 4 April 2015. <a href="https://web.archive.org/web/20081011183130/https://fas.org/spp/military/program/nssrm/initiatives/clearu.htm" target="_blank">https://web.archive.org/web/20081011183130/https://fas.org/spp/military/program/nssrm/initiatives/clearu.htm</a> <a href="#fnref:12" class="footnote-back-ref">↩</a></p></li> <li id="fn:13"><p>Stocker, Jeremy (2004). Gray, Colin S.; Murray, Williamson (eds.). Britain and Ballistic Missile Defence 1942-2002 (PDF). Frank Cass. ISBN 0-203-30963-4. ISSN 1473-6403. Retrieved 9 March 2014. in March 1963 an Air Ministry review of ABM systems said of MIDAS that 'performance to date has been disappointing'.78 … A teletype circuit was established between NORAD and the ADOC in Britain to pass information derived from Site 1 at Thule.95 This was supplemented by a voice circuit with agreed formatted messages, and both were operational by October 1960. … AN/FPS-49 Range resolution 240 nm Maximum range 2,650 nm Minimum target at 1,650 m 2.8 m2 Impact accuracy North America 135 nm <a href="0-203-30963-4" target="_blank">0-203-30963-4</a> <a href="#fnref:13" class="footnote-back-ref">↩</a></p></li> <li id="fn:14"><p>Pike, John. "Clear AFS". <a href="http://www.globalsecurity.org/space/facility/clear.htm" target="_blank">http://www.globalsecurity.org/space/facility/clear.htm</a> <a href="#fnref:14" class="footnote-back-ref">↩</a></p></li> <li id="fn:15"><p>"Eldorado AFS Dedication - 1987". <a href="http://www.radomes.org/museum/parsehtml.php?html=EldoradoAFSPAVEPAWSTXdedication87.html&type=doc_html" target="_blank">http://www.radomes.org/museum/parsehtml.php?html=EldoradoAFSPAVEPAWSTXdedication87.html&type=doc_html</a> <a href="#fnref:15" class="footnote-back-ref">↩</a></p></li> <li id="fn:16"><p>Pike, John. "Clear AFS". <a href="http://www.globalsecurity.org/space/facility/clear.htm" target="_blank">http://www.globalsecurity.org/space/facility/clear.htm</a> <a href="#fnref:16" class="footnote-back-ref">↩</a></p></li> <li id="fn:17"><p>"AN/FPS-120 Solid State Phased-Array System [SSPARS]: Clear Radar Upgrade". GlobalSecurity.org. Retrieved 8 March 2014. <a href="http://www.globalsecurity.org/space/systems/sspars.htm" target="_blank">http://www.globalsecurity.org/space/systems/sspars.htm</a> <a href="#fnref:17" class="footnote-back-ref">↩</a></p></li> <li id="fn:18"><p>Orban, SSgt. Brian (February 1995). "The trip wire". Guardian. Air Force Space Command. p. 6. North American Aerospace Defense Command and U.S. Space Command command center. ... For more than 30 years, the crews operating the missile warning center inside Cheyenne Mountain have maintained an early warning trip line [for] incoming ballistic missiles <a href="#fnref:18" class="footnote-back-ref">↩</a></p></li> <li id="fn:19"><p>"Clear Air Force Station, Alaska". <a href="https://www.airforce-technology.com/projects/clear-air-force-station-alaska/" target="_blank">https://www.airforce-technology.com/projects/clear-air-force-station-alaska/</a> <a href="#fnref:19" class="footnote-back-ref">↩</a></p></li> <li id="fn:20"><p>"Clear AFS, AK". GlobalSecurity.org. Retrieved 5 March 2014. <a href="http://www.globalsecurity.org/space/facility/clear.htm" target="_blank">http://www.globalsecurity.org/space/facility/clear.htm</a> <a href="#fnref:20" class="footnote-back-ref">↩</a></p></li> <li id="fn:21"><p>"AN/FPS-115, AN/FPS-120, AN/FPS-123, AN/FPS-126". <a href="http://www.radomes.org/museum/equip/fps-115.html" target="_blank">http://www.radomes.org/museum/equip/fps-115.html</a> <a href="#fnref:21" class="footnote-back-ref">↩</a></p></li> <li id="fn:22"><p>Chapman, Bert (2008). Space Warfare and Defense: A Historical Encyclopedia and Research Guide (Google books). Bloomsbury Academic. ISBN 978-1-59884-006-3. Retrieved 13 March 2014. BMEWS was replaced by the Solid State Phased Array Radar System (SSPARS) in 2001. <a href="978-1-59884-006-3" target="_blank">978-1-59884-006-3</a> <a href="#fnref:22" class="footnote-back-ref">↩</a></p></li> <li id="fn:23"><p>"Upgraded Early Warning Radars, AN/FPS-132" (PDF). 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