BMOW’s Internal/External Drive Switcher for Apple IIc is back in stock! Select which 5.25 inch floppy drive should act as bootable Drive 1: the external Floppy Emu disk emulator or the IIc’s internal floppy drive. The Switcher also adds IIc…
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…
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…
An unintentional radiator is a device that emits radio frequency signals, even though it’s not intended to. Usually this happens as a result of poor circuit design or inadequate shielding, and it’s a problem. For sneaky purposes, an unintentional radiator…
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…
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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