RIYADH: The Saudi Amateur Radio Society is preparing to launch the largest radio telescope in the Middle East, the Saudi Press Agency reported on Sunday.  Construction on the 20-meter diameter device is done and tests will be conducted before it is linked to the radio telescope system developed at universities.  The radio telescope will be sited at the astronomical observatory in Mashar National Park. Prince Badr bin Fahd, the president of the association, said the project was in line with Saudi Vision 2030 goals of sustainable development, digital transformation and attracting investments in the fields of technology and innovation.