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 and the Chinese renminbi).

The Northern Utah WebSDR system has coverage on all U.S. amateur HF, MF and LF bands, 2 meters, the bottom 1 MHz of 6 meters, and several shortwave broadcast bands - see the Technical Info page for more details. This server (Yellow) covers lower-frequency bands:

SDR利率 （SDRi）为计算向成员国收取和支付的利率提供了基础，这包括从IMF获得的常规借款和 持有的SDR。 这一利率 每周确定，依据是SDR篮子货币的货币市场三个月期债务利率的加权平均值。 SDR是一项国际储备资产。 SDR不是货币，但其价值基于一篮子（五种）货币——美元、欧元、人民币、日元和英镑。

2024年8月21日 · Special drawing rights (SDRs) refer to an international type of monetary reserve currency created by the International Monetary Fund (IMF) in 1969. It operates as a...

Special drawing rights (SDRs, code XDR) are supplementary foreign exchange reserve assets defined and maintained by the International Monetary Fund (IMF). [1] SDRs are units of account for the IMF, and not a currency per se. [2] They represent a claim to currency held by IMF member countries for which they may be exchanged. [3]

2025年2月23日 · SDR-Radio.com Ltd. offers free Windows software for Software Defined Radio (SDR) receivers and transceivers. Enjoy features like 24 receivers, audio recorder, favourites, and multi-monitor support. Supports radios from major manufacturers.

2024年12月7日 · 软件定义无线电（Software Defined Radio，SDR）是一种无线通信技术，它将传统上在硬件中实现的无线电功能（如调制、解调、滤波和频率转换）转移到软件中执行。

2 天之前 · The interest rate on the SDR is based on the sum of the multiplicative products in SDR terms of the currency amounts in the SDR valuation basket, the level of the interest rate on the financial instrument of each component currency in the basket, and the exchange rate of each currency against the SDR.

2024年12月5日 · Special drawing rights (SDRs) are a world reserve asset whose value is based on a basket of five major international currencies. SDRs were created by the...

The SDR1 products are Hybrid Transmit/Receive switches that can be controlled automatically by detecting the RF from the transmitted signal or manually via PTT. WHY? With the advent of software-defined Radio (SDR), there was a need for a simple way to install an external SDR receiver on your radio.