Category Archives :Amateur Radio Topics
MGRS&UTM&USGS
- Apr 30,2022
- Yamy
- 0 Comments
- None
MGRS, UTM, and USGS are often talked together. Do you know what any connection between them? ...
How to setup the amateur repeater
- Mar 30,2022
- Yamy
- 0 Comments
- Amateur Radio Topics
Amateur frequency resources are provided by the country to all hams, so repeaters working in the amateur band, even if you set up and maintain them yourself, need to provide services for all hams in the coverage area, let's learn together today What problems should be paid attention to when setting up an amateur repeater. ...
What's SSB and DSB
- Feb 27,2022
- Yamy
- 0 Comments
- None
When using multi-band or even full-band radios, we usually need to choose the working mode, which includes USB and LSB, that means the Upper Side Band and the Lower Side Band. they are the SSB signals, and the DSB is the sum of the USB and LSB ...
How to know if you two radios can work together?
- Feb 25,2022
- Yamy
- 0 Comments
- Amateur Radio Topics
There are so many radio brands in the market and so more radios. how do know the radios that can work together? ...
The application of DTMF in walkie-talkie
- Jan 30,2022
- Yamy
- 0 Comments
- Amateur Radio Topics
DTMF is the abbreviation of Dual Tone Multi-Frequency, that is, dual-tone multi-frequency. It refers to the sound or tone that the phone makes when pressing a number, where each key has two tones of a specific frequency, which are then transmitted over the voice channel. ...
What's 5-tone?
- Jan 30,2022
- Yamy
- 0 Comments
- Amateur Radio Topics
The 5-tone of the walkie-talkie is also often referred to as 5-tone signaling. ...
What's the 11 meter band
- Jan 30,2022
- Yamy
- 0 Comments
- Amateur Radio Topics
Recently many hams contact us and want to transmit the 11-meter band on Ailunce HS2. What's the 11-meter band? ...
What's the difference between Mechanical life and Electrical Life?
- Dec 31,2021
- Yamy
- 0 Comments
- Amateur Radio Topics
Recently we're doing the research of Ailunce FS01 footswitch for PTT, and the words including Mechanical life and Electrical life appear. Do you know what's the difference between Mechanical life and Electrical Life? ...
What's the UTM system?
- Dec 31,2021
- Yamy
- 0 Comments
- Amateur Radio Topics
UTM is short for Universal Transverse Mercator Grid System (UTM). that is said the universal transverse Mercator grid coordinate system, which is a flat rectangular coordinate. ...
What's the SHTF radio?
- Nov 28,2021
- Yamy
- 0 Comments
- Amateur Radio Topics
SHTF radio is often thought to be essential to prepare for disaster. but which model of the radio do we select to be the SHTF radio? ...