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Tag Archives :AmateurRadio

What's amateur radio scanner?

Many hams not only like to make QSO with their friends but also scan the channels near them. so they are more willing to use the scanner to scan and monitor directly than using the scanning function of the walkie-talkie.  ...

Read more  AmateurRadio,  Scanner

Tips for upgrading the firmware of Ailunce HS2

Ailunce HS2 is an ultra-portable full-frequency full-mode SDR radio, and we're continuously upgrading the firmware. Do you try to upgrade to the latest firmware by yourself? the blog will show some tips when you upgrade the firmware of your Ailunce HS2.  ...

Read more  AilunceHS2,  HF SDR Radio,  AmateurRadio

How to set GPS of Retevis RT3S?

Retevis RT3S is a dual-band DMR radio. There are GPS and NO-GPS versions to select. For the GPS version, you can receive and transmit GPS information. We will show the setting steps of GPS in the blog.  ...

Read more  RetevisRT3S,  AmateurRadio,  GPS

Why the Coax is 50 ohms?

If you play with the coaxial cable, you probably know it is available in a number of different impedances. but the most common is 50ohm coaxial cable for us to use for amateur radio. Do you know why is 50ohm, or any other number?  ...

Read more  Coax cable,  AmateurRadio,  feeder cable

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 DMR repeater on Ailunce HD1 without PC

Ailunce HD1 is DMR amateur radio, which can not only program in software but also operate directly on the radio via the front panel. So how to connect the DMR repeater on HD1 without a computer? Today we will take the local repeater as an example to show the detailed setting steps of connecting the DMR repeater directly on the front panel.  ...

Read more  AilunceHD1,  DMR Repeater,  AmateurRadio

How to correctly select and install the driver of Ailunce HD1?

Ailunce HD1 is a DMR amateur radio that can be programmed in software on PC. But before installing and using the programming software, we need to install the dedicated software driver of Ailunce HD1 correctly.  ...

Read more  AilunceHD1,  Driver,  AmateurRadio

What's POTA?

POTA is short for Parks on the Air. It is a radio outdoor communication activity initiated by American Hams. The activity frequency bands include HF/UHF/VHF, etc., and the communication modes include voice, digital, CW, SSTV, etc. If you enjoy outdoor communication, you can participate in this activity by querying the NPOTA park map on Google Maps under the conditions of the operating permit.  ...

Read more  AmateurRadio,  POTA,  Outdoor

Why and where do we need the antennas combiner

Combiner is a words often mentioned by hams who uses multi-band radios, so what is a combiner? Why do we need to use a combiner? Let’s learn more about the combiner today.  ...

Read more  AmateurRadio,  Antenna,  Combiner

First acquaintance of the common balun in antennas

Balun is short for Balance To Unbalance Transformer. Balun can use to transmission between balanced and unbalanced, impedance transformation, and so on.There are current and voltage balun to select for us.  ...

Read more  Balun,  AmateurRadio,  Antenna