Alpha Antenna 100W Alpha Loop User manual

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Model–100WAlphaLoop
OperatingManual,Version5.0,June11,2019
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Operation
Themodel100WAlphaLoopisa10‐40Metertransmit/receiveantenna,whichhandles25WattsDigital,50WattsCW,
and100WattsPEPSSB.
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ExcessRFExposureWarning
IntheUnitedStates,theFederalCommunicationsCommissionhasestablishedguidelinesforhumanexposuretoRadio
Frequency(RF)electromagneticfieldsnomatterwhattheantennatype.Thecommission’srequirementsaredetailedin
parts1&2oftheFCC’srulesandregulations{47CFR,1.1307(b),1.1310,22.1091,2.1093}.Itistheresponsibilityofthe
owner/operatorofthisdevicetofollowallapplicablewarningsandprecautionsregardinghumanexposuretoRFfields.
Additionalinterferencewithotherelectricaldevicescanoccur.Additionalreference:http://www.arrl.org/rf‐exposure
SupportContacts
Ifyouhavequestionsaboutyourantenna,pleasefeelfreetocontactus.
Email:[email protected]om‐Phone:1‐888‐482‐3249
WEB:www.alphaantenna.com–VideoTutorials:www.YouTube.com/AlphaAntenna
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Assembly
ScrewthetripodontothebottomofthegreyAlphaMatch.
ScrewthecentersupportpoleontothetopofthegreyAlphaMatchbox,thenremove
theRubberCaponthetopofthecentersupportpole.Keepthatrubbercapinasafe
place(likeyourpocket).
LocatethesmallCoaxialfeedLoop:SlidetheclipsthatareattachedtothesmallCoaxial
FeedLoopontothesupportpole.
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LocatethelargeCoaxialouterLoopelement:Slidetheclipsthatareattachedtothe
largeCoaxialFeedLoopontothesupportpole.
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ReplacetheRubbercapontothetopofthecentersupportpole.
AttachthePL259connectorsontheouterlooptothegreybox:AttachthePL‐259
connectorsonthelargerCoaxialLoopElementtotheSO‐239connectorsonthegrey
AlphaMatchbox.
Attachyourcoax:ConnectyourPL259totheT‐Connectoronthesmallinnerloop,and
thenrunyourcoaxtoyourequipment.
Tuning:StartwithMINIMUMpower&selectyourfrequency,thenturntheblackknob
onthegreyAlphaMatchtillyourrigsmeterpeakswiththeloudestaudiblenoisefloor.
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FineTuning:Slidetheinner/outerloopupordownthecentersupportpolewhile
monitoringforthelowestSWRonaninlineSWRmeter,yourrigsSWRmeter,oran
antennaanalyzer,asyouchangethedistancebetweentheloops.
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BEFOREincreasingyourpowerto100W,pleaseensureyourSWRisoptimallytuned.
Optional40‐80M
BoosterCable
TheBoostercable
enables20WPEPSSBon
40/60/80Mandinstallsin
Serieswiththe10‐40M
outerloop.