Daily Archives:February 23,2021

Retevis RT3S is a dual-band dual-standby DMR amateur radio. It supports to program in the software. Recently, many hams have encountered some problems when they program them RT3S. Today we will summarize these problems in the blog.  ...

When rainy days the commonly used bands of 2 meters and 70 centimeters the quality of amateur radio communications have been greatly affected. In the 2 meter band, the loss may reach 6dB.  ...

We will see a variety of English abbreviations on various radio transceiver equipment. Today we will talk about the meaning of some of the English names used on HF shortwave radios.  ...