Každý, kto niekedy inštaloval drôtovú anténu na strom, pozná tú frustráciu: hádzanie záťaží, oloviek alebo tenisových loptičiek priviazaných o šnúru,…
Technique
The ability to create a device that receives or transmits radio signals is a specific field of amateur radio operators. But not only that, many other constructions such as amplifiers, filters, power supplies, or antennas are things that skillful hands of a radio amateur can make.
On October 9, 2025, Alberto IU1KVL released SATSAGEN version v0.9.3.7, which brings several improvements and bug fixes. The most significant innovation is...
German amateur radio operator Andreas DL6YCL is known for his practical solutions of antenna systems for microwave bands, especially in operation through...
We once talked about the DL-Special DX antenna with Vilo, OM3CAQ. In amateur radio operation, we constantly look for solutions that offer...
In amateur radio practice, we often encounter interference caused by the backflow of high-frequency (HF) signal through the power supply network - therefore...
Another novelty from the Tokyo exhibition is the FTX-1F from Yaesu, a portable transceiver that uses SDR technology and provides an output power of 6...
At the Tokyo Ham Fair, Icom presented the new KV+6m transceiver in the high-end category. The IC-7760 conceptually consists of a removable front panel and a body,…
The possibility to create a modern SDR with small dimensions is proven by SQUARE SDR. Its construction includes a PCB with...
After a successful repair of the AlfaSPID rotor on the RDM-12 tower - replacing the motor unit - I encountered a feature in operation that...
Patrik DC8PAT designed a transmitter for satellite QO-100 that can be made using 3D printing. Currently in version 2.1, which you can purchase...
The RM Noise project uses AI to remove noise and interference from CW or voice radio signals. First, the system...
SATGEN in the latest version allows measuring the signal-to-noise ratio (SNR). This feature is added to the spectrum analyzer function in this program...
If you are interested in high-end HF and 6m devices, you have surely heard of the company Apache Labs Pty Ltd...
Are you missing some electronic gadgets, antenna parts, or accessories? Do you enjoy making things yourself? Then try https://hamparts.shop Jan OK2ZAW...
Xiegu G90 is a compact and high performance KV SDR transceiver designed for radio amateur communication. With its compact design and simple…
Many radio amateurs are not fans of SDR devices of the 'blackbox' type. They argue that they miss the front panel of the device with a tuning knob...
Hello! If you have decided to assemble the tracker yourself, here are a few pieces of information to make it easier for you...
Ahojte. Aby sme pri LoRa APRS nerecyklovali už raz napísané texty na úvod odporúčam venovať päť minút krátkemu úvodu z…