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==Hy-Gain SPT-500 Super Penetrator====Avanti AV-101 Astro Plane====Avanti Moonraker 4 AV-140===The Moonraker 4 uses the cubical quad type reflector for increased gain and superb rejection of signals from unwanted directions. Thus this antenna achieves exceptionally low VSWR across the tuned frequency range. The boom length is 16' 5" long.see: [[Avanti Moonraker]]