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Hamsphere 4.0 (Plugins)

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Published on Aug 21, 2014

Hamsphere 4.0 New Generation.
HamSphere 4.0 is a comprehensive virtualized HF radio communication system. It offers high technology, high performance, highly configurable HF ham radio transceivers with modular design architecture using the latest SDR and DSP software techniques.

Although HS3 will continue to remain operational for a long time and serve as an entry level platform for all those who are new and uninitiated to ham radio, HS4 will be the flagship of HamSphere. HS3 will be the initial training ground for newcomers to learn operating techniques, procedures and protocols, whereas HS4 will allow you to spread your wings and soar into the world of realistic HF radio. With HS3 and HS4 running side by side, the HamSphere community will have the best of both worlds. Those who wish to wet their feet and learn the basics could spend some time on HS3, while those who are ready to graduate to a higher level can enjoy the full potential of the HamSpere experience with HS4.

As a HamSphere Subscriber or DX-User you can freely swap between the 3.0 and 4.0 systems with no initial additional cost to you. Both are included in your subscription.

Realistic HF radio communication experience
HamSphere 4.0 is a unique platform, the only one of its kind in the world. It has been conceived and created totally new from the ground up. HS4 provides the experience of a realistic HF radio communication environment.

The HS4 model takes in to account the physics of planet Earth, its surface topography like the continents, land masses, water bodies, oceans, lakes and seas. It also models hundreds of kilometers of atmosphere above the earth's surface, the ionization of gases in the upper atmosphere to realistically produce ionospheric layers.

The earth and the geo-sphere have been modeled to spin on its axis over 24 hours to simulate day and night conditions. The model ensures that the earth revolves around the sun with a declination of 23.45 degrees to simulate seasons and its related effects on ionospheric behavior. The photo-ionization due to the radiations from the sun based on Sunspot Numbers (SSN) and the Solar Flux Index (SFI) determine the behavior of the Ionosphere and follow the 11 year solar cycle.

Antennas and Plug-ins
Just like real world radio communication systems, HamSphere 4.0 also requires a good antenna system for effective long distance communication. The ability to reach out to distant parts of the world and conduct QSOs depends primarily on the antenna. Contrary to popular belief, using high power and a big linear amplifier is not the solution. A station with a better antenna but running nominal power has a distinct advantage in comparison to a station running high power into a modest antenna.

Therefore HS4 provides users with a wide selection of available antennas to choose from and a wide variety of plug-ins for antenna control, azimuth indication and antenna management. By default, the standard HS4 transceiver is bundled with a very effective all band, omni-directional antenna. It is a high efficiency antenna with good performance characteristics.

However, to enhance the performance of your station you have the option to acquire other antennas from the wide selection available with HamSphere. The variety of antennas offered by HamSphere is very large. Starting with simple Dipoles, Inverted-Vs, Vertical Monopoles, G5RVs and various other Dipole antennas; the available antennas include 3/5/8 element Yagis, multi-element Cubical Quads, Cardioids, Vertically Co-phased Collinears, Log Periodic Arrays, multi-band Yagis and Quads, Stacked Arrays and so on. The list runs in to more than a hundred antennas. With many more are being added on a regular basis. Some of the typical HF antenna images are shown below.


Propagation prediction and operation
The ionospheric layers D, E, F1 and F2 are modeled very accurately in the HamSphere 4.0 system. The ionosphere layer heights and charge densities precisely track the real world ionosphere, thus providing propagation conditions identical to the real world. Therefore HS4 operators can freely use the tools used by real world radio operators to determine and predict HF band openings. One of the most popular tools to find HF band openings and predict propagation behavior is the VOACAP Online Service. You can use the VOACAP Online Service to predict propagation conditions. It is a free service which can be accessed through a web browser at the following URL: http://www.voacap.com/prediction.html

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