The radio frequency bands used by phones may seem like a dull topic, but it can actually be an important consideration when choosing a phone. For example, when the iPhone 6s came out, there was some ...

The newest version of the Global Radio Guide is out. Penned by author Gayle Van Horn, this edition of the publication lists by-hour schedules that include language services, frequencies and world ...

Just in time for last minute Christmas shopping, the “Global Radio Guide” from Teak Publishing is available in its new, 15th edition. Gayle Van Horn’s treasure for the shortwave aficionado “dives into ...

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

What are harmonics in RF systems? A given signal’s second harmonic is approximately twice the given signal’s fundamental frequency. Ideally, amplifiers are expected to have zero non-linearities in the ...