Category Archives :Radio knowledge
How do I start with Amateur Radio Satellites
- Feb 11,2020
- Yolanda
- 0 Comments
- Radio knowledge
"Connecting amateur satellites" is a topic that many people think is particularly profound, and some people even flinch directly. Is connecting amateur satellite really so advanced? Today, we will have a brief understanding of amateur satellite through a few questions and answers. ...
Several Common Short-Wave Antennas Used in Amateur Radio
- Jan 09,2020
- Yolanda
- 0 Comments
- Radio knowledge
There are many types of short-wave antennas, both finished and self-made, and the prices vary widely, ranging from hundreds to tens of thousands. ...
The basic terminology of DMR Radio
- Jan 03,2020
- Vivian
- 0 Comments
- Radio knowledge
Nowadays,DMR radios become very popular not only in amateur market but also business market. But There are various terms more specific to DMR that could cause some confusion. ...
What's WSJT
- Jan 02,2020
- Yamy
- 0 Comments
- Radio knowledge
WSJT is a computer program designed to perform basic amateur radio communications with very weak signals. JT4G, ECHO and FT8 are series of WSJT. Today we'll learn more about WSJT. ...
Do you really understand FM?
- Dec 20,2019
- Vivian
- 0 Comments
- Radio knowledge
NFM is a narrowband frequency modulation method, which is suitable for communication signals with a channel bandwidth of 25kHz / 12.5kHz; WFM is a wideband frequency modulation method, which is suitable for receiving broadcast signals with a channel bandwidth of about 180kHz ...
What is the DMR Radio Zone?
- Dec 19,2019
- Yolanda
- 0 Comments
- Radio knowledge
Zones are just a way to manage large number of channels, much like file folders or directories on your computer. ...
What's explosion-proof walkie-talkies?
- Dec 10,2019
- Yamy
- 0 Comments
- Radio knowledge
Do you know explosion-proof walkie talkie? Today, I'll share something related to you in the blog. ...
Is There Anybody Listing to the Radio Broadcast Now?
- Nov 02,2019
- Yolanda
- 3 Comments
- Radio knowledge
Is there any body listing to the radio broadcast now? whether radio broadcast is going to fade away? In my opinion, the radio broadcast will not going away. It may be integrated into the cell phone, or it can exist in other ways. ...
A Radio Museum in Mexico City Subway Station
- Oct 28,2019
- Yolanda
- 0 Comments
- Radio knowledge
A Mexico City subway station boasts a hidden museum, complete with a working radio booth. ...
The Difference Between Walkie Talkie and Mobile Phone Antennas
- Oct 21,2019
- Yolanda
- 2 Comments
- Radio knowledge
Why does the walkie-talkie have a long external antenna, and most of the mobile phones are built-in antennas? ...