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What’s radio firmware? Should I upgrade the radio firmware?

Firmware is basically a set of instructions needed for certain devices to perform the tasks that they were made for. we recommends that you update the firmware on your radio whenever new firmware becomes available. New firmware often fixes bugs, contains new features.   ...

Read more  Radio Firmware

Great Circle Maps for amateur radio

We know that the shortest distance is straight line between two points. but it's often not simple when hams communicate with each other from around the world. Because it's not the shortest distance geographically if we connect two points directly on world map, we need to select the right direction of antenna to achieve the better communication effect. Especially for directional antennas, such as Yagi antennas. we must rely on the great circle Maps.  ...

Read more  Great Circle Maps,  amateur radio,  Yagi antenna

Which mode is Ailunce HD1 in when you program it?

We know when we upgrade the firmware or initialize the Ailunce HD1, the radio need to be in the right mode, such as it must in DFU mode, when we upgrade the firmware. Then when we program the Aliunce HD1, must the Ailunce HD1 be in a particular state?  ...

Read more  Ailunce HD1,  Program,  Amateur Radio

How to show contact information on Retevis RT3S?

Hams come from all around of the world. so sometiome we don't know anything about our contacts though we uaual make QSO with each other. If you import the contact list including the frequently used contacts into your Retevis RT3S, the radio will show the basic information when they call you. so how to show contact information on Retevis RT3S?  ...

Read more  Retevis RT3S,  Contacts,  CSV

How to save memory channel on Ailunce HS2

After upgrade the AilunceHS2 firmware V1.32, you can save memory channels on AilunceHS2. Today, let us learn how to save memory channels on HS2.  ...

Read more  save memory channel on hs2,  AilunceHS2 memory channel

How to do when you can't update the HS2 firmware

A very intersting Chinese driver updating tool to solve HS2 firmware update problem.  ...

Read more  HS2 firmware,  AilunceHS2

What functions of the Ailunce HS2 keys

Due to design, every key of Ailunce HS2 has more than one function. There are total 30 keys in the front pannel of Ailunce HS2. We have summarized the basic key functions except for 10 numberic and 4 direction keys in the blog. If you're the user of Ailunce HS2, please refer to the blog or contact us feel free.  ...

Read more  AilunceHS2,  SDR Transceiver,  AmateurRadio

How to connect Retevis RT73 to a DMR hotspot simplex

answer one customer question" how to connect Retevis RT73 to a DMR Hotspot simplex"?  ...

Read more  connect RT73 to a DMR Hotspot simplex

Raspberry Pi and AilunceHS2 can be perfectly adapted to pay FT8

use PI to use SDR+GQRX for monitoring. Coupled with its extremely low power consumption, it is really the best choice. After trying, Raspberry Pi+AilunceHS2 can be perfectly adapted to play FT8.  ...

Read more  AilunceHS2 play FT8,  Raspberry Pi and AilunceHS2