measurement – This Week in Amateur Radio https://twiar.net North America's Premiere Amateur Radio News Magazine Sun, 02 Mar 2025 04:31:40 +0000 en-US hourly 1 https://wordpress.org/?v=6.9.4 https://twiar.net/wp-content/uploads/2020/05/cropped-twiarlogo512px-32x32.jpg measurement – This Week in Amateur Radio https://twiar.net 32 32 via Hackaday: PCB Dielectric Constant Measurements, Three Ways https://twiar.net/2025/03/14/via-hackaday-pcb-dielectric-constant-measurements-three-ways/ Sat, 15 Mar 2025 03:31:06 +0000 https://twiar.net/?p=28604 FR4 is FR4, right? For a lot of PCB designs, the answer is yes —...]]> via Hackaday: Measuring Local Variances in Earth’s Magnetic Field https://twiar.net/2025/02/28/__trashed-170/ Fri, 28 Feb 2025 16:07:24 +0000 https://twiar.net/?p=28412 Although the Earth’s magnetic field is reliable enough for navigation and is also essential for...]]> via Hackaday: What’s Your SWR? Are You Sure? https://twiar.net/2024/10/13/via-hackaday-whats-your-swr-are-you-sure/ https://twiar.net/2024/10/13/via-hackaday-whats-your-swr-are-you-sure/#comments Sun, 13 Oct 2024 20:45:00 +0000 https://twiar.net/?p=24535 If you are involved in any sort of radio transmission, you probably have at least...]]> https://twiar.net/2024/10/13/via-hackaday-whats-your-swr-are-you-sure/feed/ 1