38 years ago (1986), yours truly produced a video with the help of the Boeing Television Studio describing in detail the lab procedure to solve for the bulk resistances of the bipolar junction transistor (BJT). Sadly, the audio is a little distorted but I may be able to improve that at a later date. The video was sponsored by the… Read more »
At the March 2025 monthly meeting of the Chelsea Amateur Radio Club our presentation is going to be on reflections and how electrical signals travel with respect to time and the speed of light. This knowledge is of the uttermost basic nature. When you understand this stuff it opens doors unimaginable.
Up until today, the WD8IEL Chelsea Repeater has been programmed to announce the time at one minute after the hour, hourly, from midnight to midnight. In addition, each day at midnight it announced todays day and date together with the time. The midnight-only announcement remains unchanged. However, starting today the hourly announcement has been silenced from midnight to 6 AM… Read more »