One of the best ways to learn about radios is to build your own, even in the age of cheap SDR dongles. [Aniss Oulhaci] demonstrates this with a simple HF SDR receiver built on a breadboard.

特别提款权(special drawing right,SDR)是国际货币基金组织创设的一种储备资产和记账单位，亦称“纸黄金(Paper Gold)”。它是基金组织分配给会员国的一种使用资金的权利。会员国在发生国际收支逆差 ...

One of those articles, which graced the pages of this site a little more than seven years ago, was Getting Started with RTL-SDR. The original linked article has long since disappeared, and the ...

Gold continues to attract investors in today's unpredictable economy. This year, the precious metal has repeatedly broken price records as people look for ways to protect their wealth. With ...

While the FTX collapse is recent and still unfolding, history has a few cautionary tales to tell about the dangers of paper assets and price manipulation. The story of gold's failure to resist ...

The scarcity principle also applies to gold, meaning it can only be sourced in finite qualities as opposed to endless printing as seen with paper currencies. Gold is widely regarded as a valuable ...

Investors at times have concerns about the dollar’s vulnerability, but a review of the dollar’s strengths and weaknesses ...

There can also be a concern about liquidity. "Physical gold might be harder to sell quickly at the market price compared to digital or paper gold," Jones says. You Need a Safe Place to Store ...

The mines’ generosity was recognized during the festival with a commendation from Georgia Senate Majority Leader Steve Gooch who represents the area. The regilding is part of a $392 million capital ...

Production increased by 154,800 gold equivalent ounces quarterly despite a temporary production suspension at the company’s Penasquito mine. In addition, Wheaton says 93% of its attributable ...

TDG Gold Corp. (TSXV:TDG) (the “Company” or “TDG”) is pleased to provide an update on progress at its highly prospective land ...

The Executive Board of the International Monetary Fund (IMF) approved a set of reforms to the Fund’s concessional lending facilities and an associated funding strategy to preserve the Fund’s ability t ...