** When you buy products through the links on our site, we may earn a commission that supports NRA's mission to protect, preserve and defend the Second Amendment. ** The SDR is a compact revolver that ...

Making a software defined radio (SDR) receiver is a relatively straightforward process, given the right radio front end electronics and analogue-to-digital converters. Two separate data streams are ...

Let’s start from the beginning – What is an SDR? Is it money? Special Drawing Rights (SDRs) are an asset, though not money in the classic sense because they can’t be used to buy things. The value of ...

If you own one of the ubiquitous RTL-SDR software defined radio receivers derived from a USB digital TV receiver, one of the first things you may have done with it was to snoop on wide frequency bands ...

The IMF Executive Board approved today new amounts for the five currencies that will determine the value of the Special Drawing Right (SDR) from August 1 onward for a five-year period. This completes ...