Category Archives :Amateur Radio Topics
What's the NXDN
- Nov 25,2021
- Yamy
- 0 Comments
- Amateur Radio Topics
NXDN is short for Next Generation Digital Network, and a type of digital technology like DMR. ...
QRP Communication
- Oct 29,2021
- Yamy
- 0 Comments
- Amateur Radio Topics
For hams, QRP refers to transmitting at reduced power. QRP radio means very low-power radio, normally 5W or less power. QRP Communication is one of the more exciting projects in the activities of amateur radio. ...
Does the ham radio license also cover the GMRS license?
- Oct 28,2021
- Vivian
- 0 Comments
- Amateur Radio Topics
As we known from FCC rules, an amateur radio license does not confer GMRS frequencies. ...
How to select the battery for your HF tranceiver
- Oct 28,2021
- Yamy
- 0 Comments
- Amateur Radio Topics
Many hams like to make QSO outdoor, so the battery is very important to them. Do you know what are the common amateur radio portable batteries? ...
What's the center frequency of antenna
- Oct 28,2021
- Yamy
- 0 Comments
- Amateur Radio Topics
Each antenna has a certain frequency range called bandwidth. In the range, the antenna has the lower impedance and the highest efficiency, which is equivalent to a band-pass filter. The best frequency point in the middle of the frequency range is the center frequency, its SWR is the lowest, and the efficiency is higher. ...
What do you think about 220Mhz frequency?
- Sep 29,2021
- Vivian
- 4 Comments
- Amateur Radio Topics
What do you think about 220Mhz? will you choose a 1.25M 220Mhz band HT radio? Please welcome to recommend below. ...
Types of Ham Radio Operator Licenses
- Sep 29,2021
- Vivian
- 0 Comments
- Amateur Radio Topics
The FCC issues six license classes, each authorizing varying levels of privileges. The class for which each licensee is qualified is determined by the degree of skill and knowledge in operating a station that the licensee demonstrates during an examination to volunteer examiners (VEs) in his or her community. ...
Something about ARTS The Auto-Range Transpond System
- Sep 29,2021
- Vivian
- 0 Comments
- Amateur Radio Topics
ARTS™, also known as Auto-Range Transpond System, is a type of technology used in two way radios - more specifically, YASUE two way radios. which can be critically important in search-and-rescue applications. ...
Do you know APRS voice alert?
- Sep 29,2021
- Yamy
- 0 Comments
- Amateur Radio Topics
APRS is short for Automatic Packet Reporting System, and hams like to use it to transmit GPS information or to query the movement trajectory of a friend's radio. But do you know that APRS has a voice alert function? ...
What's the RTL SDR
- Aug 30,2021
- Yamy
- 0 Comments
- Amateur Radio Topics
RTLSDR is an innovative invention of the DVB-T USB receiver, the complete software-defined radio. ...