This weekend’s Shortwave Radiogram was almost a replay of last week’s Shortwave Radiogram. The hard disk drive on my PC is in the process of failing, working only intermittently, and triggering “S.M.A.R.T. status bad” warnings on boot-up. Fortunately, Windows 10… Leer más ›

While searching for images to use on this weekend’s show, there were certainly plenty of photos of brilliant auroras that occurred on October 11. They were spurred by a solar storm that might have affected your radio reception during the… Leer más ›

If you enjoy decoding images, we will transmit eleven MFSK64 images this weekend. And with shortwave conditions improving, many of these images may look good after you receive them. A video of last weekend’s Shortwave Radiogram (program 224, Friday 1300… Leer más ›

The Vienna Wireless Society, the amateur radio club in Vienna, Virginia, near Washington DC, kindly invited me to speak to their meeting on September 24 about Shortwave Radiogram, including its history, goals and great audience. A video of that presentation… Leer más ›

Autumn has officially begun. October is almost here. Among other changes in the air, shortwave propagation is shifting.  Try Shortwave Radiogram times and frequencies that you haven’t tuned in recently. Videos of last weekend’s Shortwave Radiogram (program 222) are provided… Leer más ›

I hope that everyone is OK after Hurricane Ida and its remnants. We hope electricity and other elements of normalcy are restored to Louisiana as soon as possible, although it may take days or weeks. Here in northern Virginia, we… Leer más ›

Between interesting solar conditions and thunderstorms lurking, at least here in North America, it could be an interesting weekend for receiving and decoding the modes on Shortwave Radiogram. A video of last weekend’s Shortwave Radiogram (program 218, Friday 1300 UTC)… Leer más ›

Here in the Washington DC area, we have been experiencing a few days or weather that is not too hot and not too humid – very unusual for this time of year. As I type this, I can feel the… Leer más ›

Last weekend’s broadcast (program 213) ended with the painting “Usonian View” by Michelle Lewis. Here is the painting as received by Pete Brunelli in Rhode Island, as included in Pete’s blog post about last weekend’s show …  I selected this painting because… Leer más ›

Thanks to everyone who reported on last week’s test of gaps and no gaps before the image headers. No prominent pattern emerged during my first look at the results, but I need to do a more systematic analysis. My usual… Leer más ›

Last week (program 211), at the suggestion of Tobias in Germany, we eliminated the short (about 0.6 second) gap between the text introduction and the image itself. This seemed to result in fewer failed image due to missed headers. Why… Leer más ›

If you are participating in amateur radio’s Field Day this weekend, enjoy the event and good luck in the contest. The only Shortwave Radiogram during Field Day operating hours is Sunday 0800-0830 UTC on 5850 and 7730 kHz. Tune in… Leer más ›

This week, after months of planning, preparation, and purchases, three new amateur radio antennas were installed on my roof. They are 1) a 10 and 6 meter vertical, 21 feet (6.4 M) tall, 2) a homebrew 10 and 6 meter… Leer más ›

One change to our transmission schedule take effect this weekend: The Saturday (Friday in the Americas) broadcast at 0000-0030 UTC on 9955 kHz is no longer available. We hope we can return to 9955 in the future, because this frequency… Leer más ›