The bottom line is that in VHF, both antennas perform very well, with SWR close to 1: 1. In UHF,
Parkside PTBM 500 E5 vertical bench drill press – assembly and adjustments
From the Parkside tools series from Lidl, this bench drill press. At under 80 euros, I say it’s definitely a winner.
Baofeng UV-5RA+ portable transceiver – Volume potentiometer repair
This 5W portable from Baofeng (China) has been setting the internet on fire for years, and has fans and haters
Art of Manliness
EN Whoever was born with a sausage between his legs and thinks that this automatically makes him a man, lives
How much electricity does the household appliances in each household use?
This was a quick and easy experiment and is not very accurate. A scientific approach would be to repeat it
Week Number Rollover in the Global Positioning System (GPS)
EN On April 6, 2019, one era of global positioning system ended and another began, an event that affected some
More contacts with the Space Station in December
EN December was even more productive in terms of transmissions from the International Space Station. I do not know if
4 Years in Timelapse (2016, 2017, 2018, 2019)
EN My oh my, 2019 has gone. 2020 is coming. SF, StarWars, moving sidewalks, flying taxis, space elevator … Yeah,
A new 1.2-35V / 9A Power Supply
EN Although I still had a few power supplies, I felt the need for one easy to carry around, strong
How to power a gadget without a battery
EN When you are using an old tablet or phone as a desktop device, permanently powered by USB, with a
How to simplify an unnecessarily complicated product
Or when you strive to make a product with features that no one wants. Holiday lamps from Ikea, with super
VOX circuit for radio transceivers
VOX (voice activated transmission) activates the station’s transmission (press PTT) when it detects sound (modulation signal) at the microphone or