Alpha Antenna Alpha Loop User manual

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Model–AlphaLoop
OperatingManual,Version4.1,June14,2018
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Operation
TheAlphaLoopisdesignedtooperatefrom10through40meters,whichincludesthe10,12,
15,17,20,30,&40Meteramateurradiobands,whereitisratedat50WCW,25WDigital,and
between98to60WPEPSSBperthefollowingchartnomatterwhereyourMicGainisset.
WithaproperlyadjustedMicGainthissystemwillhandle100WPEPSSB(SeePage2‘Tuning’).
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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.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
references:http://www.arrl.org/rf‐exposure
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Assembly
LocatetheSelfieStick:
Extendtheselfie
stickandnotethe
screwholeonthe
bottom(Figure1).
Thescrewontop
ofthegreyAlpha
Matchboxwill
screwintothis
hole.
LocatethegreyAlphaMatchbox:
Screwtheselfiestickonto
thescrewlocatedonthe
topofthegreyAlpha
Matchbox(Figure2).Feel
freetoturntillthecenter
loopisaligned.Youmight
needtoholdthenutunder
theselfie‐stickwithpliersif
itisovertightened.
LocatethelargeCoaxialLoopelement:
Straightenthisouter
CoaxialLoopElement
toformanapproximate
circlethatisslightly
largerthan3feetin
diameter.
SecuretheLargeCoaxialelements:
Takenoteoftheapproximate
centerfortheOuterloop.Place
thecenterofthelargecoaxial
elementoverthetopoftheselfie
stick,thenthePL‐259endsonthe
largerouterloopwillbenearthe
AlphaMatchbox.Securethe
outerandthesmallerinnerloop
usingthenylonclips,whichjust
turnandsnapon.
AttachPL259connectors:
AttachthePL‐259connectors
onthelargerCoaxialLoop
ElementtotheSO‐239
connectorsonthegreyAlpha
MatchboxperFigure5.

ConnectyourPL259totheT‐
Connectoronthesmallinner
loop,andthenrunyourcoax
toyourequipment.
Tuning:98‐60WSSBand50WCW/25WDigital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.You
mayalsouseanantennaanalyzertoverifytheSWR.
Increaseyourpower.

Optional100WSSBTuning
Tunewiththeabovetechniquefirst,thenadjustyour
MicrophoneGainsetting(ifavailableonyourrig)sothat
yourmeterdoesnotpeakwhenSSBisused.Increase
yourpower.

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.
SupportContacts
Ifyouhavequestionsaboutyourantenna,pleasefeelfreetocontactus.
Email:[e-mail]‐Phone:1‐888‐482‐3249
WEB:www.alphaantenna.com–VideoTutorials:www.YouTube.com/AlphaAntenna