Tag Archives :Amateur radio

ARRL is inviting nominations for awards that recognize educational and technological pursuits in amateur radio. Nominations are also open for the League’s premier award to honor a young licensee.  ...

in the radio world, UHF and VHF two options can make all the difference when it comes to choosing the right radio for your specific uses. Here are a few facts about UHF and VHF radios – and how to choose between them.  ...

Collected some Retevis amateur radios RT3/RT8/RT82 codeplugs share with all of you who keeps a Retevis DMR radio.  ...

The Talker Alias function is designed to eliminate the need for DMR radio storage to constantly update the user database.  ...

There are so many radio brands in the market and so more radios. how do know the radios that can work together?  ...

Do you know why the time of your Ailunce HD1 won't stop even though you turn off your radio? it's because of the internal battery. In addition to time, do you know what functions the internal battery affects?  ...

Selcall is short for Selective calling. It is a type of squelch protocol used in radio communications systems, in which transmissions include a brief burst of sequential audio tones.  ...

Do you know why can't your UV dual-band radio HD1 set the RX frequency to 447.1875MHZ?  ...

Ailunce HD1 is ham radio and supports Front Panel Programming. if we set the channel in simplex mode, the rx frequency is the same as the rx frequency. but how set the Shift Freq of the channel in repeater mode?  ...

When we want to test our radio and can't find someone to help us, we can set the parrot channel to do the Echo test. but sometimes the parrot test has no response, why?  ...