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Add Amateur Radio to Your Disaster Toolkit

“Add amateur radio to your disaster toolkit” was submitted by the San Juan County Amateur Radio Society.   ...

Read more  Amateur Radio,  Disaster Toolkit

Why can't I reach the repeater? Local DMR Repeater

For DMR repeater, we need to pay attention to frequency, offset, time slot, color code, contact. Some other radios may have to pay attention to work mode, like HD1. today, we will take HD1 as an example.  ...

Read more  reach the rapeater,  HD1

Is it possible to receive other digital modes like P25 on AilunceHD1

The DMR is not compatible with P25 systems. so it is impossible to receive other digital modes like P25 on AilunceHD1.  ...

Read more  P25 system,  DMR system,  P25 vs DMR

Why can't I reach the repeater?Local Analog Repeater

“Why can't I reach the repeater?” This is probably the most common question we hear from new hams. There are so many reasons that can cause your radio can’t reach the repeater, so it is difficult to come up with a quick fix for all situations. In this article, we will show you sever basic reasons caused this issue.  ...

Read more  HD1,  Reach the Repeater

How to setup a Temporary Talkgroup on Retevis RT73

When use a DMR radio, someone often wants to do a temporary transmit to a talkgroup. That means when your current channel is TG1, you also can transmit to TG2 without to change the channel contact. Today, let we see how to setup a temporary talkgroup on Retevis RT73.   ...

Read more  RetevisRT73,  Retevis RT73,  Retevis RT73 temporary talk group

How to select and download the right driver of Retevis radios?

Do you like to program your radio in software? If yes, you need to download the right driver of your radio. do you know how to select the right driver for your Retevis radio?  ...

Read more  Driver,  Retevis,  Amateur Radio

What's the DIR information of Ailunce HS2?

Have you tried to check the DIR item of your Ailunce HS2? there are many parameters to show. do you know what they mean?  ...

Read more  AilunceHS2,  Direction,  GPS

What's C4FM mode?

C4FM is a digital modulation for walkie-talkies that hobbyists prefer. Do you know what C4FM means? What are the advantages and disadvantages compared with other digital work modes?  ...

Read more  C4FM,  Amateur radio

Three common types of radio scanner

There are three common types of radio scanners for us to select, including the basic analog scanner, the analog trunking scanner, and the digital scanner.  ...

Read more  Amateur Radio,  scanner type,  Digital scanner