Author: andrzej

Polish student satellite PW-SAT2 transmits

We live in interesting times. In orbit is the Polish student satellite PW-SAT2 which broadcasts data in our radio-amateur band of 70cm. The history of the PW-SAT2 project is also described in Wikipedia and on the website of the Student Astronautical Circle. There is also an interesting photo gallery from the implementation of the PW-SAT2 […]

LB-523 WiFi temperature and humidity recorder

Thermo-hygrometer WiFi LB-523 is a wireless recorder of relative humidity and air temperature, equipped with a large memory of measurement data. It is powered by batteries (2 x 1.5V AA), rechargeable batteries (2 x 1.2V AA) or an external 5V USB charger. The recorder is equipped with a USB interface (for configuration) and WiFi, allowing […]

World Amateur Radio Day

Every April 18, radio amateurs worldwide take to the airwaves in celebration of World Amateur Radio Day. It was on this day in 1925 that the International Amateur Radio Union was formed in Paris. Amateur Radio experimenters were the first to discover that the short wave spectrum – far from being a wasteland – could […]

Rotator Controller Interface for YAESU G-800DXA, G-1000DXA, G-2800DXA, G-5500

Updated: 2018-08-31. The USB-232B interface allows connection of the YAESU rotator controllers to a PC via the USB port. The interface supports various types of YAESU rotator controllers: G-800DXA, G-1000DXA, G-2800DXA and G-5500. The interface works with many HAM logging programs, for example N1MM, DXLab, HRDRotator, HRDSatTrack, also allowing satellite tracking, using the improved RC5-3 […]

LB-524 GSM Microclimate Recorder

The LB-524 GSM Microclimate Recorder is a small, wireless, portable, battery device used to control the conditions prevailing in storage rooms, production facilities or vehicles in which products are sensitive to changes in the microclimate conditions. The recorder measures and records in memory: temperature, relative humidity, air pressure and illuminance. Every established period, the LB-524 […]

Los 2018 – Ham Radio Fest Poland

Several pictures from the XII Ham Radio Fest which took place at Papierkowa Gora in Jaworzno (in the commune of Rudniki, Poland) at the meeting point of three province: Lodzkie, Opolskie and Slaskie (LOS) in May 2018:

Funny things on radio themes

>>>>> Updated on 2019-08-30 <<<<< Found funny, surprising, original things on radio topics … How to combine the mania of collecting with amateur radio? Goerge W9EVT got his first license at the age of 7 in 1937, and since then has collected over a thousand radios! See article. Ham’s paradise! At least at retirement age. […]

CQ World-Wide DX Contest 2017

The HF5L club made its debut in the CQ World-Wide DX Contest competition on October 28-29 2017 with the support of: SP5DPD, SP5GNI, SP5ICS, SP5ISZ, SP5ITI, SP5JTW, Andrzej B. and Piotr R. Despite a relaxed approach, we took the 5th place from Poland in the category Multi-Operator Single-Transmitter – Low Power. The first diploma always […]

Full Colour Morse manipulators from 3D printer

Many colleagues would like to start or play with telegraph again, and a key problem arises. What to do? You can buy an expensive “Bencher” or other company, but I decided to do it on a 3D printer. Something like the pictures came out, of course they all work. A set of such a key […]