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The first Agila satellite successfully launched from the United States on December 29, 2024 after suffering a launch abort on December 21. [ 2 ] [ 8 ] It is projected to be operational by February 14, 2025 once it establishes its position over the Philippines.
The satellite's cost was estimated at US$243 million and has a design based on the Space Systems/Loral FS-1300 satellite bus. ABS-3 was deployed to orbit by a Chinese Long March 3B rocket in Sichuan province on 20 August 1997. The satellite was expected to operate for 15 years. [7]
Agila-1 or Mabuhay was launched on March 20, 1987, under the name Palapa B2-P in Cape Canaveral Air Force Station. It was originally under Indonesian company, PT Pasifik Satelit Nusantara until it was acquired by Philippine company, Mabuhay Satellite Corporation which is under PLDT in 1996.
The first Philippine satellites were operated by private companies. The first Filipino-owned satellite is Agila-1, a satellite acquired in 1996 by Mabuhay Satellite Corporation from PT Pasifik Satelit Nusantara, an Indonesian company. The first Philippine satellite launched to space was Agila-2 which was placed to orbit in 1997.
Founded on 10 November 1994 bearing the name Mabuhay Philippine Satellite Corporation (MPSC), the company was established primarily to build, own, operate and maintain an international satellite facility and other forms of telecommunications equipment that are capable of providing telecommunications and broadcasting on a domestic and international level. [3]
The allocation of radio frequencies is provided according to Article 5 of the ITU Radio Regulations (edition 2012). [3]In order to improve harmonisation in spectrum utilisation, the majority of service-allocations stipulated in this document were incorporated in national Tables of Frequency Allocations and Utilisations which is within the responsibility of the appropriate national administration.
Satellite nucleic acids, in contrast, do not encode their own structural proteins, but instead are encapsulated by proteins encoded by their helper viruses. [1] [2] The genomes of satellites range upward from 359 nucleotides in length for satellite tobacco ringspot virus RNA (STobRV). [3]
The radio window's lower frequency limit is greatly affected by the ionospheric refraction of the radio waves whose frequencies are approximately below 30 MHz (λ > 10 m); [6] radio waves with frequencies below the limit of 10 MHz (λ > 30 m) are reflected back into space by the ionosphere. [7]