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Original antennas made in the US, by us, for the greater World


Hemispherical Antenna structures have their radiation distributed primarily over a hemisphere (half of space).

Includes:
Turnstile/Crossed Dipoles
Volute/Quadrifilar Helical Antennas
Patch Antennas
Crossed Loops/Egg Beater Antennas

Products 13-19 of 19
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Display of world aircraft over Europe, Africa, Americas and Australasia (Property of FlightRadar24)
New!
Price: $465.23
Availability: Approx 7 days
Item #: UL-ADSB-KIT -

    USA Version (default): UL-ADSB-KIT-USA (1090+978 MHz) $465.23 International Version: UL-ADSB-KIT-INT (1090 MHz only) $331.23 ADS-B Kit, Automatic Dependent Surveillance–Broadcast Receiving Kit The ADS-B Kit may be used by hobbyists and professionals to contribute aircraft tracking data to benefit flight security and safety worldwide. You may contribute collected positional telemetry data to aggregators, such as FlightAware, FlightRadar and others. Often, these aggregators offer a free business...

    Weather Satellite Antenna
    Price: $280.24
    Availability: Approx 6-8 weeks
    Item #: UC-1374-531 -

      Weather Satellite Antenna description The Weather Satellite Antenna, model UC-1374-531 is a +4 dBic Quadrifilar Helix (16 cm/6" OD x 62 cm/24.5" H) designed to operate in the APT Weather Satellite Band of 137 MHz to 138 MHz (137-138 MHz). It may be used to receive NOAA (US) and METEOR (Russian Federation), Weather Satellite data feeds, using narrowband FM receivers, such as those used by Radio Amateurs and VHF Enthusiasts. Weather maps can be received directly from a number of polar orbiting...

      GOES Antenna
      Price: $203.23
      Availability: Approx 3-4 Weeks
      Item #: UC-4024-328 -

        Argos - GOES Antenna, Description The UC-4024-328 GOES Antenna is a compact Quadrifilar Helix antenna (8 cm/3" OD x 16 cm/6" H) designed to operate through NOAA GOES geostationary satellites and CLS Argos low orbiting satellites. This antenna's compact size, weather resistance and gain makes it well suited for Argos marine uses and remote GOES sensor stations. It is also ideal for portable telemetry use. Argos - GOES Antenna Specifications: Frequency range: 400-406 MHz Coverage:...

        GOES Antenna
        Price: $226.24
        Availability: Approx 3-4 Weeks

          GOES Antenna, 402 MHz QFH, Description The UC-4024-531 GOES Antenna is a full size, compact Quadrifilar Helix antenna (8 cm/3" OD x 32 cm/12" H) designed to operate through 402 MHz NOAA GOES geostationary satellites and CLS Argos low orbiting satellites. This antenna's compact size, weather resistance and gain makes it well suited for Argos marine uses and remote GOES sensor stations. It is also ideal for portable telemetry use. GOES Antenna Specifications: Frequency range: 400-406 MHz...

          UC-4364-513 RevA UHF Amateur Radio Satellite Antenna
          Price: $177.23
          Availability: Out of Stock
          Item #: UC-4364-513 -

            UHF Amateur Satellite Antenna with built-in Preamplifier/LNA The UC-4364-513 is an amplified version of our model UC-4364-328 ( UC-4364-328 page ). It is a compact Quadrifilar Helix Antenna (8 cm/3" OD x 16 cm/6" H) designed to receive Amateur Radio satellite signals, without requiring an antenna rotator. This 70 cm band QFHA incorporates a 15 dB Low Noise Amplifier (LNA) near the antenna's feedpoint, providing for a low overall receiving system Noise Figure (and sensitivity). By having an LNA...

            Orbcomm Antenna
            Price: $282.24
            Availability: Approx 6-8 weeks
            Item #: UC-1374-531-Orbcomm -

              Orbcomm Antenna description Orbcomm Antenna, model UC-1374-531S is a +4 dBic Quadrifilar Helix with dimensions: 16 cm/6" OD x 62 cm/24.5" H, designed for Orbcomm satellite use on land or sea platforms. The Orbcomm network is very good at servicing short messages (sensory data, tracking and Internet of Things or IoT) from assets worldwide. Through its large constellation of satellites, Orbcomm usually delivers such messages within 15 minutes. It is the only commercial satellite network...

              VHF Amateur Satellite Antenna
              Price: $215.24
              Availability: CALL
              Item #: UC-1464-433 -

                NOTICE: This antenna model has been replaced by the higher gain version UC-1464-531, +4 dBic VHF Satellite Antenna. You may still acquire the UC-1464-433 model by special request. Please call us in advance of your order for an estimate of availability/leadtime. Amateur Satellite Antenna, VHF, Description The UC-1464-433 is a compact Quadrifilar Helix antenna (16 cm/6" OD x 32 cm/12.5" H) designed to operate through Amateur Radio satellites, without requiring an antenna rotator. The goal of...