S-Band Dish Antenna System


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Introduction
This is a complete S-band antenna system comprising a 60 cm spun aluminium dish and patch feed, together with all necessary mounting parts.

To this you need to add the S-band pre-amplifier or converter of your choice and you're ready to receive outstanding S-band signals from the AO-40 spacecraft and others.

Contemporary low noise converters only realise their full potential in conjunction with a low noise antenna, and this system offers just that. Lots of gain; low noise; excellent circularity.

A 60 cm (2 ft) system is remarkably small, and can be fitted to a camera tripod. So you can use it portable, from a condo balcony, indoors through a window, as well as conventionally on a mast.

 

 DISH_PHOTO

View of dish and patch feed.

Description
The kit comprises parts (all available separately) described in detail on related pages. The 60 cm dish has an f/d ratio of approximately 0.35, and together with the recently developed ON6UG/G3RUH patch feed delivers a measured gain of 21 dbic. With the best converters a Sun noise increase of 2.5 db is typical.

The dish is cleaned, and drilled for mounting clamps to a boom up to 42 mm (1 5/8") diameter, patch feed supports and cable access via a grommet (see photo). Dish and feed are unpainted aluminium. Assembly is by six screws for the feed supports, four nuts for the boom clamps, and takes only moments.

More detail about individual items

  • 60 cm dish (unprepared)
  • Patch feed
  • Support legs for Patch to 60cm dish
  • Mounting kit for dish

    Converters
    Excellent low-noise converters and preamplifiers are available from:

  • Down East Microwave
  • Kuhne Electronic
  • SSB Electronic
  • SSB Electronic USA

    Summary

      Frequency            2250-2450 MHz
      Gain                 21        dbic
      -3db beamwidth       16°
      -10 db beamwidth     28°
      SWR                  < 1.2:1
      Axial ratio          1.05:1
      Polarisation         RHCP
      Connector            N-male    [Option: N-female]
      Impedance            50        ohm
    
      Overall diameter     590       mm   (23")
      Weight               1.4       kg   (3 lb)
    

    Price

    Price of the 60 cm S-band dish antenna system (i.e. dish, patch feed, legs and mounting) is £145 plus carriage at cost:

    Carriage

    Flat rate for 1 to 4 antennas, based on volumetric weight of 11 kg:
    
    UK              £ 11.
    EU              £ 54, air-mail.
    USA             £100, air-mail.
    AUS/NZ/Pacific  £120, air-mail.
    
    FedEx also available - please ask.
    
    Frequently asked questions

    Feedback from users.

    Photos of users' systems.

    Methods of payment


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    Last updated: 2012 Mar 23