Category Radio

antenna directionality from California

Exploring Antenna Gain Directionality

For the past week BMOW has been busy experimenting with HF radio communication on the 40m and 20m bands, 7 and 14 MHz. With the right radio, antenna, and weather conditions, these frequencies can support direct communication with someone halfway…

boy receiving morse code

Learn Morse Code for Fun and Profit

Today is Morse Code Day! You might be surprised to learn that CW (the modern term for Morse) is still widely used in certain corners of the amateur radio universe, not for nostalgia reasons, but because it’s still the best…

radio exposure warning

Don’t Cook Yourself With RF Energy

I’m getting ready to install a radio antenna on my home’s roof, and hoping to avoid hurting myself or anybody else in the process. While falling off the roof may be the most obvious risk, a less obvious concern is…

women in space image

International Space Station Downlink!

I downlinked a data transmission directly from the International Space Station! This amateur radio stuff is getting exciting. Using an orbital tracker tool, I found the time and location when the ISS would pass overhead here. From 9:16 AM to…

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