Measuring the performance of antennas in absolute terms that can involve a lot of expensive equipment and specialized facilities. For practical applications, especially when building antennas, ...

【Improve Reception】Use AN-03 short-wave external antenna to effectively enhance the reception of FM and SW signals of the radio (including the adapter cable). 【Antenna Size】The longest tensile length ...

One of the more unusual facilities featured in our recent Radio World ebook about interesting RF plants is at WBCQ. It uses what is believed to be the only rotatable shortwave antenna in North America ...

Building antennas is a time-honored ham radio tradition. Shortwave antennas tend to be bulky but at VHF frequencies the antenna sizes are pretty manageable. [Fjkaan’s] 2 meter quadrifilar helicoidal ...

POWAYPOWAY — Working to comply with federal guidelines and recent court decisions, the Poway City Council this week signaled its intent to ease restrictions on local ham radio antennas. At its Tuesday ...

Ham radio operators are sounding the alarm over the latest threat to their beloved hobby—and this time, it is coming from Wall Street. A group of high-frequency trading firms is asking the Federal ...