The currency value of the SDR is determined by summing the values in U.S. dollars, based on market exchange rates, of a basket of major currencies (the U.S. dollar, Euro, Japanese yen, pound sterling ...

The SDR is an international reserve asset created by the IMF to supplement the official reserves of its member countries. The SDR is not a currency. It is a potential claim on the freely usable ...

New discoveries, everyday mysteries, and the science behind the headlines — in just under 15 minutes. It's science for everyone, using a lot of creativity and a little humor. Join hosts Emily Kwong ...

Abstract: With the rapid development of China's civil aviation industry and the gradual opening of low-altitude airspace, the demand for surveillance equipment for air traffic control is becoming ...

Abstract: As part of the Navigation with Indian Constellation (NavIC) modernization, the standard positioning service (SPS) is now also being transmitted on the L1 band (1575.42 MHz), along with ...

Simple SDR Receiver that can receive frequencies up to approximately 30MHz, if an optional Si5351 clock generator is used. Without this, it receives up to about 20MHz, using the ESP32 clock dividers.