Single Element Foldable VDB ANTENNA, ELLIPTICALLY POLARIZED
Specifications
Performance Characteristics:
Type: Elliptically Polarized Dipole Array.
Azimuth Gain Variation: Omni-Directional, with Maximum Azimuth Gain Variation of < or = ± 1.0 dB
Frequency of Operation: 108 MHz to 118 MHz
Array: Single Vertically Stacked Element. Also available in dual or triple vertical stacked arrays.
Polarization: Elliptically Polarized – Horizontally Polarized Gain is Nominally 4 dB Greater than Vertically Polarized Gain
Gain, main beam: > or = -1.0 dBi, for Horizontally Polarized Component > or = -5.0 dBi, for Vertically Polarized Component
Gain of 1st Major Sidelobe: N/A – Both Vertically and Horizontally Polarized Vertical Patterns are Similar to a Vertically Polarized Dipole. Sidelobes do not exists.
Direction of Maximum Gain in Elevation: Nominally 0° (On Horizon)
Slope (Vicinity of horizon): ˜ 0 dB/Deg
Power Handling Capability: Up To At Least 250 W CW.
Impedance: 50 ohm nominal
VSWR: Not greater than 2:1 Measured At End Of Low Loss Cable Not Exceeding 5 Feet In Length
Half Power Beamwidth in Elevation Plane: ˜ 100 Degrees
Half Power Beamwidth in Azimuth Plane: N/A – The Antenna is Omni-Directional in the Azimuth Plane
RF Monitor: Sample of Incident RF Energy is provided which is 50 dB ± 2 dB down from Main RF Input Signal Level.
Radome Coverage and Weather proofing: Entire Antenna weather proofed and sealed. Antenna does not use a Radome. Birds and Ice Buildup could Degrade Antenna Performance.
Height, Weight and Size, Folded: Height 22.5” x Width 9.3” (In Widest Dimension) x 10.4 Lbs.
Height, Weight and Size, Deployed: Height 22.9” x Width 40.0” (In Widest Dimension) x 10.4 Lbs.
Antenna Mounting: Antenna adapts to a 2.0” OD pipe (Provided by customer) and is secured with 2 each 3/8-16 x 1.5” thumb screws in the antenna base.
Wind Loading: Withstands without damage 100 mile per hour gusts
RF Feed Connectors: One Type N Jack RF Port for Main RF Connection.
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Today's Date: Monday, February 06th 2012 12:42:14 AM MST