EmergingFlatPanelAntennaTechnology

IstheWorldGoingFlat?AQuickLookatFlatPanelAntennas

andRadomeLove

KevinWalsh

ShipboardTechnicalSupportScrippsIns;tu;onofOceanography

kwalsh@ucsd.edu

HiSeasNet–5earthradiiView•  UCSanDiego-SIOSOMTSbasedprojecttobringfull-Cme,scalablebandwidth

InternetconnecConstoshipsatseaintheUniversity-NaConalOceanographicLaboratorySystem(UNOLS)community.

•  Currentlytwelveships:•  TwowithCandKusystems,SixwithC,3withKuonly•  LeasededicatedspacesegmentonglobalC-band,andKufootprintsthatcover

themajorityoftheAtlanCc,PacificandIndianOceans•  Usefivesatellites:IS-23(AtlanCc),IS-34(AtlanCc),IS-18(Pacific),Intelsat

Galaxy18,IS-17(Indian)•  OperateandmaintaintheearthstaConontheroofofSanDiego

SupercomputerCenteratUCSanDiego•  Two7.2meterdishesforC-bandandone3.8meterKu-band•  NetworkAccessPointforcommercialISPs,CENIC,PacificWave,andInternet2•  Staffhavestronguniversityandnavyresearchanddevelopmentbackground

HiSeasNetRadomeLove

R/V Atlantis

R/V Endeavor

R/V Neil Armstrong R/V Marcus G. Langseth

R/V Roger Revelle R/V Oceanus

R/V Walton Smith R/V Sally Ride R/V Kilo Moana

R/V Sikuliaq R/V Thomas G. Thompson

RealRadomeLove–R/VInvesCgator

MoCvaConstoInvesCgateFlatPanelAntennas•  LowWeight•  Lowelectricalpowerrequirement•  Noorfewermovingparts•  Soawaredefined,phasedarraytechnologyormetamaterials•  Quicklydeployable•  Disasterrecovery•  TacCcaloperaCons•  Shorttermserviceneed•  CostcompeCCve(iftheyworkforyourapplicaCon)•  AestheCcallyappealing•  LEOreadycapabiliCes-YMMV•  Theyarecool

FlatPanelAntennaManufacturersThinKomThinSat300KymetaMtennaPhasorESA

ExploratoryUseCase–OceanSurfaceUV

SubmidedDURIPProposal•  EngineeredadaptaCon•  Reducedpower•  Increaseddatarate•  LEORiskReducCon

PreliminaryHandsOnTesCngRedmond

COTMUsecases–land,seaandair

SummaryofrelevantspecificaCons

Manufacturer Weight Size ParabolicEquivalent

Band(s) Trackingspeed

G/T EIRP

ThinKom 120lbswBUC

59”x3”9x4.3” 88cm/36cm Ku 100deg/sec 10-13dBK

49-52dbK

Kymeta 20lbs 32.4”x32.4”x.2.8” 60cm Ku 20deg/sec 9.5dBK 37.6dbK

Phasor(6module)

26.5lbsw/oBUC

42.1.”x36.3”2.6” 70cm Ku 200deg/sec

14.3dBK

53.6dbK

Summary•  Flatpanelantennatechnologyisanemerging

technology•  Fewerornomovingparts•  Acombinedtransmit-andreceive-capableaperture

haspotenCaltobeLEOready•  MariCmeuserequiresoperaCnginfootprintarea

withfavorableelevaConangle.(comparedtoparabolic)–unClLEOandmicrosatsarrive

•  Flatpanelantennasmayworthacloserlookforcoastalandregionalvesselswithmodestdataraterequirements

•  FurthertesCngrequired

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