Attachment_1 _SOW_(RevD).pdf

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Research & Development (R&D) of Dual Microwave and Millimeter Wave Antennas
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Attachment 1, SOW (Rev D) 19 Oct 2016

Statement of Work for Dual Microwave and Millimeter Wave Antenna

1. Scope

Thisstatementofworkcoversthetasks,deliverables,andgeneralgoalsfortheNavalResearch
Laboratory(NRL)forDualMicrowaveandMillimeterWaveAntennasthatarecapableof
transmittingaradiofrequencysignaloverthe4‐40GHzfrequencyrange.Non‐recurringdesign
andanalysiswillbeconductedfortheantennastomeetthespecificationsthataredescribedin
“SpecificationsforDualMicrowaveandMillimeterWaveAntenna.”Thiseffortincludesthedelivery
of10preliminaryantennaswithin3monthsofcontractaward,thedeliveryofonepair(forward
andaft)ofprototypeantennasataCriticalDesignReview6monthsaftercontractaward,andfinal
deliveryof3pairs(forwardandaft)ofantennasatcontractcompletion.An12monthperiodof
performanceisanticipated.

2. Applicable Documents.

2.1. Specifications for a Dual Microwave and Millimeter Wave Antenna

3. Overview

TheantennasfortheNRLapplicationmustindividuallyfitinsideoftheendofastraight2.4inch
outsidediametercylinder(0.05inchwallthickness),andthreeoftheantennasmustindividuallyfit
insideofacircularcylinder(0.05inchwallthickness)thattapersfrom2.1inchesoutsidediameter
downto1.8inchesoutsidediameteroveralengthof2inches,asshowninFigure1.Theantennas
shallradiateaxiallyouttheendofa2.4inchstraightcylinder(forwardend)oroutthe1.8inch
diameterendofataperedcylinder(aftend),andaradomewillberequiredtosealbothforwardand
aftendsofthecylinder.TheradomeshallbedesignedtomaximizeRFtransmissionthroughthe
radomewithminimumreflectedRFenergybackintotheantenna.Theantennapatternincludingthe
radomewillspanaconeofroughly60˚halfangle(120˚includedangle)inbothazimuthandelevation
planes.Theradomeshallbedesignedtowithstandadynamicpressureequivalenttoanaxialair
velocityof400knotsatsealevelforupto4hours.TasksarelistedinSection4.

19 Oct 2016

Figure1.Availableantennavolume(cross‐hatchedregion)excludingconnectorfor(a)straight
circularcylinderand(b)taperedcircularcylinder(dimensionsininches).

4. Tasks

4.1 PreliminaryForwardAntennas–Thecontractorshall,within3monthsofcontract
award,fabricateanddeliverten(10)preliminaryantennas.Thepreliminaryantennasshall
nominallymeetalloftherequirementsoftheSpecificationexceptatareducedpowerlevelof15
wattsfrom4to18GHzand10wattsfrom18to40GHz.Thepreliminaryantennasshallbe
mechanicallyconfiguredidenticallytotheforwardantennaswithradomeandmountingbrackets
(CLIN0001).
4.2 CriticalDesignandAnalysis‐Within6monthsaftercontractaward,thecontractorshall
deliveronepairofprototypeantennaswithradomesforthestraightandtaperedcylindersata
CriticalDesignReview(CDR)tobeheldatNRLinWashington,DCoratthecontractor’sfacility.One
pair(forwardandaft)ofantennaswithradomesandmountingbracketswillbedeliveredatCDR
(CLIN0002).Designdrawingsandmeasurementsoftheantennaperformancemustbeprovidedat
CDRthatmeettherequirementsofthespecification.Ifanydesignspecificationsarenotbeingmet,
thenaplantocorrectanydesigndeficienciesshallbeprovidedatCDR(CDRLA003).

Deliverables:

4.2.1.1 One pair (forward and aft) of antennas with radomes and mounting brackets will be delivered

atCDR(CLIN0002).
4.2.1.2 RFmeasurementsoftheprototypeantennasdeliveredatCDRthatincludesRFantenna
patterns,insertionloss,andreflectionperformanceoverthefrequenciesandtheanglesof
interestincontractorformat(CDRLA003).
4.2.1.3 CopiesofthemeetingminutesoftheCriticalDesignReview.
4.2.1.4 Designdrawingsshowing:detailsoftheantennaconstructionpresentedatCDR,associated

mounting brackets or flanges, radome construction, and a full bill of materials (CDRL A003).

19 Oct 2016

4.2.1.5 IfanydeficienciesinthedetaileddesignareidentifiedatCDR,thenwithin7daysafter
theCDR,thecontractorshallsubmitawrittenplantoremedysuchdeficiencies(CDRL

A003).

4.3 FinalPrototypeFabrication–Within12monthsaftercontractaward,fabricateanddeliver
threefinalpairs(forwardandaft)ofantennaswithradomesandmountingbracketstobeinstalled
byNRLinthestraightandtaperedcylinders(CLIN0003).Measurementsoftheantenna
performanceandantennadesigndrawingsshallbedeliveredinaFinalReport(CDRLA004)

4.3.1 Deliverables:

4.3.1.1 Threepairsofantennaswithradomesandmountingbrackets(CLIN0003).
4.3.1.2 AFinalReportcontainingRFmeasurementsoftheantennasdeliveredatcontractcompletion
thatincludesRFantennapatterns,insertionloss,andreflectionperformanceoverthe
frequenciesandtheanglesofinterestincontractorformat(CDRLA004).
4.3.1.3 Designdrawingsofthefinalantennasshowingdetailsoftheantennaconstruction,associated
mountingbracketsorflanges,radomeconstruction,andafullbillofmaterials(CDRLA004).
4.4 MonthlyProgressReports–Thecontractorshallsubmitamonthlyprogressreport
regardingtechnicalprogressandexpendituresincurredforeachmonth’swork(CDRLA001).

5. Travel

PriortoCDR,amaximumoftwo(2)contractorpersonnelwilltravelfromthecontractor’slocation
toNRL,Washington,DCtoattendaPre‐CriticalDesignReviewatNRL(CLIN0004).
6. DeliverablesList
1. MonthlyProgressReportsThecontractorshallsubmitamonthly
progressreportregardingtechnical
progressandexpendituresincurredfor
eachmonth’swork(CDRLA001).
2. Preliminaryforwardantennas
(CLIN0001)
Thecontractorshall,within3months
ofcontractaward,deliverten(10)
preliminary4to40GHzantennasat
PDR.Theoptionalantennasshall
nominallymeetalloftherequirements
oftheSpecificationexceptatareduced
powerlevelof15wattsfrom4to18
GHzand10wattsfrom18to40GHz.
Thepreliminaryantennasshallbe
mechanicallyconfiguredidenticallyto
theforwardantennaswithradome
andmountingbrackets.
3. CriticalDesignandAnalysisofa4‐
40GHzantenna(CLIN0002)
Designandanalyzeasuitableantenna
forthe4to40GHzfrequencyrange
thatmeetstherequirementsof
“SpecificationsforDualMicrowave

19 Oct 2016

andMillimeterWaveAntenna.”One
pair(forwardandaft)ofprototype
antennaswithradomesshallbe
deliveredataCriticalDesignReview

(CDR).

4. CDRDesigndocumentand
measureddata
ContractorshalldeliveratCDR:RF
measuredperformancedataofthe
prototypeantennasdeliveredatCDR,
aplantoremedyanyperformance
deficiencies,detaileddesigndrawings,
afullbillofmaterialsandcopiesofthe
meetingminutesoftheCDR
(CDRLA003).
5. Finalantennasets(CLIN0003)Contractorshalldeliverthreefinal
pairs(forwardandaft)ofantennas
withradomesandmountingbracket.
6. FinalReportContactorshalldeliveraFinalReport
atcontractcompletioncontaining:RF
measurementsoftheantennas
deliveredatcontractcompletion,
designdrawingsofthefinalantennas
andassociatedmountingbracketsor
flanges,andafullbillofmaterials.
(CDRLA004)
7. Travel(CLIN0004)PriortoCDR,amaximumoftwo(2)
contractorpersonnelwilltravelfrom
thecontractor’slocationtoNRL,
Washington,DCtoattendaPre‐
CriticalDesignReviewatNRL.

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