Cushcraft_HV-4E_用户操作说明书手册_2024.pdf
CushcraftHV4EVerticalAntenna
Introduction3
PowerRating3
Preparation3
CHOOSINGALOCATIONFORTHEANTENNA3
INSTALLATION4
PORTABLESETUP4
MFJOptionalAccessories4
TOOLSANDTIMEREQUIREDFORASSEMBLY5
SAFETYPRECAUTIONS:5
IncludedParts,Kits,AndAssemblies6
KitsandAssemblies6
HV-4EAntennaListbyIndividualParts6
Assembly7
LowerMastAssembly7
LowerMastAttachment7
UpperMastAssembly7
UpperMastAttachment8
BaseAssembly9
RadialSpokeAssembly10
BaseMounting11
RFGrounding11
AntennaTuning12
FREQUENCYANDSWRADJUSTMENT12
TuningtheAntenna13
SAFETYGROUNDINGCONSIDERATIONS14
MAINTENANCE14
WARNING:Improperinstallationandassemblycanbehazardous!
Readtheseinstructionsthoroughlybeforeattemptingtoassemble,
install,oroperatethisproduct!Highpowertransmittingdevices
producevoltagesthatcancausesevereburnsorotherinjuries.
Version022024Cushcraft
CushcraftHV4EVerticalAntenna
Introduction
TheHV-4EVerticalAntennaisaneconomical18ftlowprofileantennadesignedtoimproveoperating
efficiencyandbandwidthon40M.On40Mtheantennaisacenterloadedverticalandon20-10Mitisa
toploadedvertical.
Thepowerratingofthisantennavariesfrombandtoband.ThePEPratingsareprimarilydeterminedby
thevoltagebreakdownofthecomponents,whiletheCWandRTTY/DIGITALratingsaregenerally
determinedbythecomponentsheating.Exceedingtheratedpowerscancauseexcesscoilheating.
PowerRating
Thefollowingchartliststhepowerratingandthe2:1VSWRbandwidthofthisa