Storm Monitor – it’s worth having weather warnings in your cell

After the tragic events in the Tatra Mountains in Poland on August 22, 2019, many people ask the question: could this have been avoided? After all, it was impossible to give an official warning, because as meteorology experts and notable on TV claimed, the expected rainfall and wind did not exceed the alarm limits (!). […]

Meeting of the Virtual Division PZK OT73 at the HF5L club

On July 29, 2019, a social meeting of the VOT 73 PZK Division took place at the HF5L club headquarters. The highlight of the meeting was a lecture by Marcin SP5ES on the course of the 3Y0I expedition to Bouvet . Marcin presented an extremely interesting photo gallery from the expedition and videos illustrating the […]

Es’hail-2 (or QO-100) for beginners

>>>>>Updated on 2019-08-20 by SP5GNI<<<<< I bought a 80 cm satellite dish (16 Euro), a converter (4 Euro), installed it on the roof and set it up on the satellite (Dish Pointer was very helpful). In our conditions, a 80 cm satellite parabola is a reasonable minimum when it comes to the receiving antenna. I […]

HF5L Remote

The HF5L station has been adapted for remote access via an internet connection. HF5L Remote is initially intended for standard contacts in the 3.5 and 7 MHz bands. HF5L Remote is currently a 100 W low-power station. It is equipped with a Yaesu FT-897 transceiver with an external AT-897 antenna box, as well as a […]

STORE-LOGGER – Wireless temperature and humidity control system in warehouses

The STORE-LOGGER system is designed to microclimate monitoring (temperature, relative humidity of the air, door opening) in rooms where products sensitive to climatic conditions are stored. It is indispensable wherever applied ISO, GDP and GMP quality systems require professional documenting of cold supply chain and storage of temperature-sensitive products. More information about the STORE-LOGGER can […]

LB-532 – Temperature and humidity recorder with USB interface

Hytherograph LB-532 is a precise recorder of relative humidity and air temperature (with resolution of 0,01°C). It is powered by a replaceable long-life lithium battery, which enables uninterrupted operation of the device for many years. The data collected in the device’s memory after connecting it to the computer via USB, are presented by the Logger […]

HF5L/p in IARU CW Region 1 Fieldday 2019

Participation in Fieldday is our tradition. We could not leave 1-2 June 2019. The following were contributed to the success of the event (in callsign alphabetic order): Ewa SP5-1593, Andrzej SP5DDF, Mirek SP5GNI, Sławek SP5ICS, Marek SP5ISZ, Marek SP5IXS, Zbyszek SP5JSZ, Maciek SP5LCS and Piotr SQ5JUP. This time the station was located near Brok, Poland. […]

SP9VFD antenna system for EME

EME communications have fascinated Rafał SP9VFD from the very beginning of his amateur radio hobby, ie since 1991, when he received the first license at the age of 15. At the time, his favorite reading was UHF guide  “Poradnik Ultrakrótkofalowca”  by SP6LB. However, it was only in 2007 that he managed to carry out the […]