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Each subframe has the GPS time in 6-second increments. Subframe 1 contains the GPS date (week number), satellite clock correction information, satellite status and satellite health. Subframes 2 and 3 together contain the transmitting satellite's ephemeris data. Subframes 4 and 5 contain page 1 through 25 of the 25-page almanac. The almanac is ...
The first Philippine satellite launched to space was Agila-2 which was placed to orbit in 1997. The Philippine Space Agency is the lead government organization of the Philippine space program since 2019 but all active satellites are built and operated by the Department of Science and Technology (DOST) and its child agencies.
When the time of message reception indicated by the on-board receiver clock is ~, the true reception time is = ~, where b is the receiver's clock bias from the much more accurate GPS clocks employed by the satellites. The receiver clock bias is the same for all received satellite signals (assuming the satellite clocks are all perfectly ...
GLONASS is a global navigation satellite system, providing real time position and velocity determination for military and civilian users. The satellites are located in middle circular orbit at 19,100 km (11,900 mi) altitude with a 64.8° inclination and an orbital period of 11 hours and 16 minutes (every 17 revolutions, done in 8 sidereal days ...
The satellite is named Multispectral Unit for Land Assessment (MULA). [1] MULA would be the first of a "next-generation satellites" under the Philippine space program, with the team behind the satellite building on the knowledge gained in developing the Diwata and Maya nanosatellites. [2] The investment cost for the satellite is at least US$34 ...
ISO 8601. International standard ISO 8601 ( Representation of dates and times) defines unambiguous written all-numeric big-endian formats for dates, such as 2022-12-31 for 31 December 2022, and time, such as 23:59:58 for 23 hours, 59 minutes, and 58 seconds. These standard notations have been adopted by many countries as a national standard, e ...
Real-time kinematic positioning ( RTK) is the application of surveying to correct for common errors in current satellite navigation (GNSS) systems. It uses measurements of the phase of the signal's carrier wave in addition to the information content of the signal and relies on a single reference station or interpolated virtual station to ...
Philippine Standard Time ( PST [1] [2] or PhST; [3] [4] Filipino: Pamantayang Oras ng Pilipinas ), also known as Philippine Time ( PHT ), [citation needed] is the official name for the time zone used in the Philippines. The country only uses a single time zone, at an offset of UTC+08:00, but has used daylight saving time for brief periods in ...