Tag Archives :N

Are you ready to travel with your Ailunce HD1? Now you only need to take a video or pictures to show your Ailunce HD1 and post it. You can get a Surprise gift. As long as you actively participate, everyone has a gift！  ...

AILUNCE makes a morse code keychain, a 2-sided keychain. It is a good gift for hams.  ...

If the radio supports the rolling code, you just need to make one codeplug to program many radios. the blog will show how to use the Rolling Code of Retevis RT73.  ...

The desktop microphone is one of the commonly used devices in the Ham Room. However, there are many desktop microphones on the market, with various functions. The following are some features we sorted out. What features do you need?  ...

With the popularity of radio, many hams built their radio rooms. In addition to basic equipment such as radio and power supply, we found that they always like to purchase desktop microphones. Do you know why they have to buy a desktop microphone when owning a handheld microphone?  ...

The spring antenna is also called the helical inductive antenna, which is a kind of helical antenna. It can radiate and receive radio waves. when transmitting, it can convert high-frequency current into electromagnetic waves; when receiving, it can convert electromagnetic waves into the high-frequency current. So it plays a very important role in radio communication.  ...

From the beginning when I learn the ham radio knowledge, There are two basic ways to using your radio. One is simplex, the other more popular way is using a repeater. I often get confused how to operate a radio connect to a repeater, the shift frequency downlink and uplink.Today, let us learn the difference between simplex and repeater.    ...

ARISS report there will be an “Amateur Radio on Shuttle, Mir and ISS” Slow Scan TV (SSTV) event from June 21-26. Transmissions from the International Space Station will be on 145.800 MHz FM using PD120.   ...

So now many vehicle-mounted stations are equipped with temperature-controlled fans, and the air pressure and air volume of the fans are controlled by the temperature changes in the vehicle-mounted stations to achieve the effect of energy-saving.  ...

Some customers don't know how to set the time of Retevis RT73. Do you know how to adjust the time? There are three ways to adjust the time of Retevis RT73.  ...