Ham Radio License Practice Tests
The article focuses on how to take the free ham license test at ARRL, and what the requirements for the test are ...
Ham swr meter
The article mainly talks about how to interpret the reading of SWR meter and how to solve the fault of high SWR reading. ...
Retevis Live Streaming on January 31th, 5pm(GTM+8)
If you want to choose the right walkie-talkie for your spring trip, don't miss the 5retevis live stream on January 31 afternoon! ...
How to choose the best mobile antenna?
When choosing the best mobile antenna you need to consider what frequency to use and where to use it ...
How to Build a Radio Repeater?
In this article, we'll learn what a radio repeater is, how it works, and how to make a DIY repeater. ...
Do stubby antennas work as well as the regular length 2 way radio antennas?
The short antenna provides the same coverage as a normal length antenna. ...
noaa weather.com
NOAA's National Weather Service is building a Weather-Ready Nation by providing better information for better decisions to save lives and livelihood.Looking for your local weather forecast? Input your Zip Code or City/State in the "Customize Your Weather.gov" box at www.weather.gov ...
What is the range of UHF radios?
This article is about what is the range of UHF radios in urban conditions? ...
Fully integrated control hand microphone car station-RETEVIS RA86
This article mainly discusses the latest RETEVIS mobile radio fully integrated control mobile microphone bus station-RETEVIS RA86 ...