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The SPIDER 230C compact radio telescope uses the WEB230-5 antenna, a mesh 2.3-meter diameter parabolic antenna designed to offer a large diameter with the lowest possible weight. It weighs much less than a normal 1.5 meters diameter full-surface model in respect to which it offers a better resolution capacity (due to greater diameter) and a lower wind sensitivity (since the surface is perforated). The reflecting surface of this antenna (the primary reflector) is composed of an aluminum mesh with 3x4 mm holes for optimum reflectivity of radio waves with frequencies up to 5 GHz.
The SPIDER 230C compact radio telescope is designed to use with computerized equatorial mounts already used by amateur astronomers in normal optical telescopes. These mounts offer, a high load capacity and pointing/tracking precision at a low price. We supply the SPIDER 230C with an EQ8 SynScan mount but you can install our WEB230-5 antenna on different equatorial mounts with at least 50 kg load capacity and Losmandy dovetail (the same used by many telescopes) using it just like a normal telescope. The EQ8 mount (or other computerized mounts, if you want to order the "Kit SPIDER 230C without mount") are controlled by our RadioUniversePRO software through the ASCOM platform so if you want to use your mount, make sure that it has an ASCOM driver.
Our equatorial mounts support device (patented) allows you to install the WEB230-5 antenna on any equatorial mount (with Losmandy dovetail and load capacity of at least 50 kg, ie. EQ8 type). Thanks to two counterweights sliding system with protection against accidental drops, you can get a perfect balance even in declination axis for maximum tracking and automatic goto performances of the mount. Without counterweights the radio telescope would be completely biased towards the front (because of the weight of the primary reflector and LNA + illuminator group with support rods) and therefore could not properly point and track objects in the sky. A special system of rear tie rods increases the rigidity of the structure while minimizing the deformation of such a big diameter parabolic antenna.
Developed specifically for 1.42 GHz Radio2Space radio telescopes, the H-FEED feed horn is designed for optimal illumination of the primary reflector allowing high gain and minimize side lobes and the spillover effect, thus obtaining the best possible performance from the 2.3 meters parabolic antenna. The feed horn is designed to allow the reception of dual polarization with support for two professional Low Noise Amplifiers (LNA) for the 1.42 GHz frequency. The feed horn is positioned in the perfect point of focus of the antenna through a rigid support with 4 supports, in order to have low obstruction and with a focusing device to precisely focus and maximize the performance of the entire radio telescope.
In order to get the best possible performance with the 2.3 meters diameter antenna of the SPIDER 230C, the new H142-One receiver has been specially developed, a 1.42 GHz superheterodyne type radiometer/spectrometer, double conversion (type UP/DOWN) with 50 MHz received instantaneous bandwidth (RF=1.395MHz-1.445MHz) and 14-bit analog to digital converter. The H142-One receiver has spectrometer with 1024 channels (each 61 KHz) that are displayed and processed in real time by the control software supplied with the radio telescope. Thanks to the high gain and the low electronic noise of this receiver, the SPIDER 230C radio telescope is able to record many radio sources in the Universe.
SPIDER 230C comes with the new version of RadioUniversePRO software that is specifically designed to allow you to check all the parameters, operation and record various results with the radio telescope. RadioUniversePRO can be installed on a standard Windows computer and is compatible with Windows Vista, Windows 7, Windows 8 and Windows 10. The graphical interface provides a simple mode with integrated planetarium that shows, in real time, the position of radio sources in the sky, and then allows you to simply use the SPIDER 230C radio telescope. At the same time RadioUniversePRO offers the possibility to activate the advanced interface which adds many options, customizations and typical functions of professional radio telescopes and are therefore particularly useful for expert users (that found in RadioUniversePRO the same modus operandi of the large-sized radio telescopes).
-WEB230-5 parabolic dish with support device for equatorial mounts
-EQ8 SynScan equatorial mount with Synscan and 2 counterweights
-Mount tripod with central column
-H142-One receiver, radiometer/spectrometer, 1.42 GHz frequency
- 1.42 GHz feed-horn
- 2 high gain and stability 1.42 GHz LNA units
- RadioUniversePRO control and processing software
- User and installation manual (english and italian)
Do you want to buy the telescope but you can not visit us in our laboratory in Pordenone or you do not have available a transport car large enough to contain it? No problem! We designed SPIDER 230C to be easily removable and can be divided into 5 sturdy boxes: in this way we can ship it via UPS. Each carton box is composed of a thick outer carton and several internal carton boxes which divide various internal components. The instruments are well protected for a prompt and secure shipment. All the elements that make up the instrument are pre-installed then you have just to follow the instructions to install it in a short time and get started right away!
The equatorial mounts are not waterproof so you need to cover the radio telescope with a special protective structure (which must also protect parabolic antenna from strong wind). You can move the radio telescope in a covered and protected place when not in use. If you want to keep the radio telescope permanently installed in the field we recommend our SPIDER 300A radio telescope which is equipped with waterproof mount and electronics and therefore it has no need of protection structures.
|Antenna diameter (m)||2.3|
|Antenna type||Prime focus|
|Working frequency||1,42 GHz|
|A/D converter||14 bits|
|Maximum slewing speed||90° / min|
|Dome||Not included in price but needed|