Two "flash drives" of one manufacturer purchased in different stores behave differently.

More info

The essence of the experiment: find out which antenna will create the maximum field strength at a distance of 5 km.

More info

On Sunday, I decided to install and test an antenna of the End Fed antenna for two ranges: 7 and 14 MHz. This is what came of it ...

More info

Most netbooks and many laptops have a small amount of RAM or a weak processor. Therefore, they often put Linux to make them work faster. The article is devoted to the testing of the OS.

More info

I took the sensitivity test of the FM receiver Retekess V115 with compare to car radio Daewoo AGC-1220RF-A, part code 2811 55052R, supplier code 269 779. Also, in the article I gave a simple method for improving VHF reception at Retekess.

More info

I got my hands on the Retekess V115 receiver (also known as the Tivdio V115, Kaimeda SRW-710S Mini, Audiomax SRW-710S, VR-robot WC-710S, and HanRongDa K-603) version F9205A when I ordered it on AliExpress to replace my lost Tecsun PL-310ET. I needed a compact and affordable all-wave MW-HF-VHF-FM receiver with direct frequency input and good sound.

More info

On Saturday, May 14, 2022 was warm, sunny and dry weather without wind. To check the receiver in conditions close to the ideal, he went to Pulkovo heights in the evening (75 meters above sea level).

More info

In a radio component store, I bought a room antenna for 200 rubles ($ 3) in order to check what it is capable of taking radio waves of the VHF range.

More info