The secret to long life: How to tell whether the battery is excellent, good or damaged by measuring internal resistance Internal resistance is one of the best indicators of the condition of a battery. It is like blood pressure for a person – it gives a lot of information about […]
Communications & IT
78 posts
Fast Charging: How It Works and Why It’s Important for Our Devices In today’s fast-paced world, time is precious, especially when it comes to our favorite gadgets. Imagine rushing to go out and your phone’s battery is almost empty. At such times, fast charging technology becomes a real lifesaver. But […]
WiFi 7: The Wireless Revolution is Here! After years of anticipation and numerous rumors, it’s finally a fact – WiFi 7 is here and ready to transform the way we connect to the internet. For all of us who are fascinated by the magic of wireless technology and fans of […]
Outdoor or indoor antenna? Should we buy or make? Making an antenna is a simple job that is described by three activities: Cutting iron and cables; Pilling, etc.; Screws and nuts. (This is also how you write a book – you press keys in a certain sequence.) In the Faraday […]
Introduction. How mobile internet is developing Remember the big, brick-heavy cell phones of the 90s? With them we could only call and send short SMS. Today, however, our smartphones are powerful pocket computers with which we surf the web, watch high-definition videos and play complex games. This incredible transformation is […]
Choose the perfect Wi-Fi for your network Choose the perfect Wi-Fi for your network Do you remember the time when we connected to the Internet using a modem that sang like an exotic bird? Since then, wireless networks have undergone an incredible evolution. Today, Wi-Fi is an integral part of […]
Complete list of radio amateur codes, abbreviations and expressions I do not claim that it is absolutely complete, I can only claim that it is the complete list that I have heard in my activity as a radio amateur (the last 50 years of my life). Code Meaning Notes . […]
Extending the transmission range Backstory Some time ago, a friend and radio amateur (I’m not writing who he is, because I haven’t asked him if he can) shared that he can’t broadcast on part of the 60m range. He assumed that his Yaesu FTDX-10 transceiver, because it was prepared for […]
Firmware Update of FTDX-10 That sounds scary, but it’s not. Or at least it’s not until something goes wrong – like cutting out your electricity at that very moment. But let’s not be pessimistic… If everything is in order and you follow the procedure, nothing bad should happen. Updating the […]