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Home Antennas UHF SATCOM Ground Antenna

UHF SATCOM Ground Antenna
 

The AH-312 circular polarized UHF SATCOM ground station helical antenna operates between 240-380MHz band, uses extended stubs to provide the greater gain while maintaining the wider beam-width. This high-gain (12dBic) low-profile UHF SATCOM ground station antennas use Circular Polarization Antenna Technology - which delivers better penetration through obstruction and interference. This military grade antenna provides superior performance as compared to significantly larger and more expensive products.

The AH-312 UHF SATCOM ground station helical antenna is supplied with a specially designed mounting arrangement for steering the antenna in both planes, over 360 Degrees in Azimuth and 0 to 70 Degrees in Elevation for terrestrial and satellite links. Elevation tracking can be done if antenna is mounted on horizontal mast/pole. Broadband design feature of UHF satcom ground station antenna makes it highly suitable for SATCOM application as SATCOM ground station antenna without having the requirement of multiple antennas. The circular polarized UHF SATCOM ground station helical antenna can be used for communicating with satellites low on the horizon. AH-312 can be used with most tactical Multi-Band, Multi-Mode Receivers (MBMMR), as well as all airborne and ground transceivers.

The AH-312 UHF SATCOM ground station helical antenna is supplied with a specially designed mounting arrangement to hold the antenna at back end by using two stainless steel mounting brackets to withstand the higher wind rating. If antenna is mounted on horizontal pole than its elevation angle can be adjusted/changed towards the satellite.

The epoxy-based electrostatic powder coating on all metallic surfaces ensures complete protection from the corrosive gases, ultraviolet radiation, salt spray, acid rain present in coastal areas and sandstorm environmental in dessert area. The antenna is designed as per MIL-STD-810G standards. Both LHCP and RHCP models are available. The part number for LHCP version is AH-312-LHCP and AH-312-RHCP is for RHCP Version. Cylindrical tapered radome/housing made of high strength fiberglass is used for complete weather protection.

The AH-312, like all our AH series UHF SATCOM ground station helical antennas, utilizes circular polarization to minimize the effects of multipath interference. Both Right Hand Circular Polarized (RHCP) and Left Hand Circular Polarized (LHCP) helical antenna models are available. The AH- 312 Helical Antenna is light weight, broadband and rugged helical antennas, supplied with high strength fiberglass radome to protect the antenna from environment.

Cylindrical enclosure is used for low wind loading and for minimal effect of ice formation on the UHF SATCOM ground station helical antenna operation as well as providing an aesthetically pleasing appearance. The antenna is designed as per MIL-STD-810G standards. The radiating element of circular polarized helical antenna is made of high-quality high strength enameled coated heavy duty copper wire and winding is secure alongside wall of fiberglass enclosure/radome to keep the winding/radiating elements to its appropriate location to prevent RF inter-modulation.

The circular polarized UHF SATCOM ground station helical antenna is completely protected within a high-tech ruggedized radome which is made of high strength fiber glass enclosure to ensure survivability in the worst environments conditions The heavy duty fiber glass enclosure has excellent transparency for RF signals and enough strength to withstand more than specified wind loads. Cylindrical enclosure is used for low wind loading and for minimal effect of ice formation on the high-power broad band UHF SATCOM ground station helical antenna operation as well as providing an aesthetically pleasing appearance. The antenna is supplied with olive green MIL color finish. Other customized housing/radome color can also be supplied on request.

For higher gain requirement, the UHF SATCOM ground station helical antenna can be supplied in DUAL stacked or QUAD stacked arrays formation with suitable power splitter/combiner cable harness. Customized color and customized mounting can also be supplied on request.

Please contact us for complete technical datasheet in pdf format including high resolution pictures, radiation patterns, Frequency vs VSWR graph, Frequency Vs Gain graph, electrical specification, mechanical specification and environmental specification.


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