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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

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Amateur Satellite Antenna Kit
Price: $471.21
Availability: Approx 7 days
Item #: UC-AMSAT-KIT -

    The UC-AMSAT-KIT, Passive 2 m / Active (LNA) 70 cm Amateur Satellite Antenna Kit (QFH) is a discounted bundle combination of quantity 1 each of the following two antenna products, supporting old Mode J or new Mode VU operation: Click on the hyperlinked text below for each item's details. For the Kit of both Passive antennas, visit the UC-AMSAT-KITP page instead. UC-1464-531L, LHCP VHF Amateur Satellite QFH Antenna, +4 dBic, Passive UC-4364-513R, RHCP UHF Amateur Satellite QFH Antenna, +18...

    Amateur Satellite Antenna Kit
    Price: $419.21
    Availability: Approx 7 days
    Item #: UC-AMSAT-KITP -

      The UC-AMSAT-KITP, Passive 2 m / 70 cm Amateur Satellite Antenna Kit (QFH) is a discounted bundle combination of quantity 1 each of the following two passive antenna products, supporting old Modes J & B, or new Modes VU & UV: Click on the underlined text below for each item's details UC-1464-531L, LHCP VHF Amateur Satellite QFH Antenna, +4 dBic, Passive UC-4364-328R, RHCP UHF Amateur Satellite QFH Antenna, +3 dBic, Passive All of our Amateur Satellite antennas now have a connector at...

      -531 pair Amateur Satellite QFHA Kit
      New!
      Price: $436.21
      Availability: approx. 3-4 weeks
      Item #: UC-AMSAT-KITP-531 -

        Amateur Satellite QFHA Kit UC-AMSAT-KITP-531 description The UC-AMSAT-KITP-531, Passive 2 m / 70 cm Amateur Satellite QFHA Kit is a discounted bundle combination of a pair of our -531 full-size QFH antennas. The Kit comprises a quantity 1 each of the following two -531 QFHA passive products, supporting old Modes J & B, or new Modes VU & UV: Click on the underlined text below for each item's details UC-1464-531L, LHCP VHF Amateur Satellite QFH Antenna, +4 dBic, Passive UC-4364-531R,...

        Composite of 2 NOAA-18 passes, Tropical Storm Cristobal, June 8, 2020 - Courtesy of M Penkas (WA8EBM)
        Price: $432.21
        Availability: approx. 3-4 weeks
        Item #: WXSAT-APT-KIT -

          VHF APT Satellite Weather Kit To make the reception of satellite weather images more accessible, and in response to requests received, we are offering this discounted Weather Satellite kit. It contains the components needed to receive satellite weather images on Windows desktop computers. For Macbook users, follow this guide by Justin Karimi. The kit includes the following items: UC-1374-531R, +4 dBic Quadrifilar Helix Antenna, for its details click on this link: UC-1374-531R antenna page,...

          Smart Spider Antenna, model UC-3004-581R (Rev E)
          Price: $1,130.21
          Availability: Approx 3-4 Weeks
          Item #: UC-3004-581R -

            Typical Leadtime: Stock to 4 weeks ARO UC-3004-581R Data Smart Spider Antenna Description Smart Spiderâ„¢ Antenna model UC-3004-581R is a Patented, lightweight, tactical, low observable, compact UHF Satcom-On-The-Move Active X-Wing antenna system. It enables dismounted UHF Satcom, while dynamically engaged in operations. In other words, this SOTM Antenna enables infantry & special operations without a pause. The polarization of this antenna is Circular (CP), intended primarily for...

            TacSat Antenna, model UC-3004-481R
            Price: $496.21
            Availability: Approx 7 days
            Item #: UC-3004-481 -

              Leadtime: Stock to 2 weeks ARO UC-3004-481 Data Tacsat Antenna Description Tacsat Antenna model UC-3004-481 is a lightweight, low observable, compact UHF Satcom antenna system. The polarization of this Tactical X-Wing is Circular, intended for communications via UHF MUOS satellites (DAMA/IW/WCDMA). When used on its high gain mount, it can be utilized with UFO and earlier satellites. Its radiating elements are flexible and difficult to see at a distance, from any view angle. The small Tacsat...

              UC-1464-531 Amateur Satellite QFH Antenna
              Price: $248.21
              Availability: Approx 7 days
              Item #: UC-1464-531 -

                VHF Amateur Satellite Antenna description The UC-1464-531, +4dBic VHF Amateur Satellite Antenna is a Quadrifilar Helix Antenna (QFHA), measuring 16 cm/6" OD x 62 cm/24.5" H, designed to operate through Amateur Radio satellites without requiring an antenna rotator. The goal of this VHF QFH Antenna is to offer Radio Amateurs with space or community restrictions the ability to communicate via OSCAR series satellites. Ham satellites generally operate cross-band: you will generally need an UHF...

                UC-3004-531R UHF MILSATCOM QFH Antenna
                Price: $505.21
                Availability: Approx 3-4 Weeks
                Item #: UC-3004-531R -

                  UHF Military Satcom QFH Antenna description The UC-3004-531R, +4 dBic UHF Military Satcom QFH Antenna is a Quadrifilar Helix Antenna (QFHA), measuring 10 cm/4" OD x 46 cm/18" H, designed to operate through UHF Military satellites (MilSat). Coverage is Omnidirectional, when mounted upright. The Axial Ratio of a QFHA is stable over a broader range of elevation angles when compared to X-Wing/Turnstile or Egg-Beater radiating structures. This MILSATCOM QFH Antenna is thus well suited for temporary...

                  UHF Amateur Satellite Antenna
                  Price: $133.21
                  Availability: Approx 7 days
                  Item #: UC-4364-328 -

                    UHF Amateur Satellite Antenna (QFH) An independent review of this antenna was published in the November 2008 issue of QST Magazine [Ford, Steve, WB8IMY, "SHORT TAKES: Antennas.us 70-cm Satellite Antenna", QST Magazine, November 2008, pg 72]. The UC-4364-328 is a compact Quadrifilar Helix Antenna (8 cm/3" OD x 16 cm/6" H) designed to operate through Amateur Radio satellites, without requiring an antenna rotator. The original goal of this product was to offer Amateurs with severe space or...

                    +4 dBic UHF Amateur Satellite QFH Antenna
                    New!
                    Price: $152.21
                    Availability: approx. 3-4 weeks
                    Item #: UC-4364-531 -

                      Full-Size Amateur Radio Satellite QFH Antenna description The UC-4364-531 is a full-size Quadrifilar Helix Antenna (8 cm/3" OD x 30 cm/12" H) designed to operate through Amateur Radio satellites, without requiring an antenna rotator. The goal of this product is to offer Amateurs with space or community restrictions the ability to receive 70 cm HamSat signals, and communicate through orbiting repeaters (transponders). Ham satellites operate cross-band: you will generally need a VHF uplink...

                      UC-3004-381R-M5 Mini UHF SATCOM antenna
                      Price: $353.21
                      Availability: Approx 3-4 Weeks
                      Item #: UC-3004-381 -

                        Leadtime: Stock to 4 weeks ARO UC-3004-381 Data UHF SATCOM Antenna Description (Mini, Midi and Full sizes) UHF SATCOM Antenna model UC-3004-381 is a lightweight, tactical, compact Turnstile/X-Wing antenna system. The polarization of this antenna is Circular (CP), intended for communications via MUOS satellites (DAMA/IW/WCDMA). This antenna is approximately half the size of a normal X-Wing antenna (Basic size version). However, it offers comparable gain to its full size counterpart. Its Mini...

                        Weather Satellite Antenna
                        Price: $248.21
                        Availability: Approx 7 days
                        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...