Alpha Antenna 100W Alpha Loop User manual

Page 1
____________________
Model–100WAlphaLoop
OperatingManual,Version6.0,October10,2019

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.


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

Assembly

Page 2
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.

Installtherubbergrommetoverthepole.
LocatetheClipwithtwoopenings:Slidetheclipwithtwoopeningsontothetopofthe
supportpole.

LocatethelargeCoaxialfeedLoop:CenterandinsertthelargeCoaxialfeedLoop
snugglyintothetop‘slot’oftheClipwiththetwoopenings.

LocatethesmallCoaxialfeedLoop:InsertthesmallCoaxialfeedLoopsnugglyintothe
bottom‘slot’oftheClipwiththetwoopenings.
AttachthePL259connectorsontheouterCoaxial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.(NOTE–ThereisanextraT‐Connectorincluded).
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.
Second,watchyourSWRmetertodipfollowthenextstepto‘FineTune’ifyousodesire.

FineTune:SlidetheInner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.

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&installsin
Serieswiththe10‐40M
outerloop,andclipsinto
thebottomopeningof
theclipwith2openings.

Page 3
