Did we survive the time changes and frequency changes of Spring 2021? The only new frequency this weekend is the Friday 1500-1530 UTC DRM transmission from WINB Pennsylvania, on new 15750 kHz, replacing 13655, for those of you who have… Leer más ›

 This Sunday, 28 March, begins the change of clocks to summer time in most of Europe. Because our transmissions on Sunday remain at the same UTC time, most European listeners will hear them one hour later by local time. Shortwave… Leer más ›

Hello friends The spring time change is now complete in North America (a few states and provinces do not observe daylight time). WINB on 9265 kHz and WRMI 9955 kHz keep programs at the same Eastern times, so Shortwave Radiogram… Leer más ›

This weekend begins the dreaded seasonal changing of the clocks. Most of North America will move clocks forward one hour at 2:00 am local time on Sunday. On the frequencies used by WRMI for Shortwave Radiogram on Sunday, the UTC… Leer más ›

Reception was certainly variable last weekend, with successes and difficulties. Typical shortwave. See results at the Twitter account @SWRadiogram, or point your browser to https://twitter.com/swradiogram and scroll down. For listeners in Europe, there may be a few more chances to tune in… Leer más ›

Last weekend’s experiment with Khmer text was usually successful. There were examples in which the MFSK64 English decoded perfectly, but the Khmer followed it showed some errors. This is not too surprising given that printing the Khmer seems a rather… Leer más ›

It’s icy here in northern Virginia, but not bad compared to many places in North America. We still have electricity, so I was able to produce and upload program 192. My wire antennas are still up, except for the 40-meter… Leer más ›

I discovered last week that Shortwave Radiogram has a new transmission via WRMI on 9955 kHz.  It’s Saturday at 0100-0130 UTC (Friday evening in the Americas) on 9955 kHz. The 9955 kHz frequency is directed to Latin America, but reception… Leer más ›

Mid-winter (in the Northern Hemisphere) has created several opportunities for good shortwave reception – and some frequencies that are impossible to hear, depending on your location. You can see listeners’ results at Twitter @SWRadiogram, or if you don’t have a… Leer más ›

What better way to bring in the new year 2021 than decoding the modes on Shortwave Radiogram? Thank you for your friendship and support, and for tuning in and decoding, during 2020. May the new year bring less virus and… Leer más ›

Reception of Shortwave Radiogram was generally good last weekend. Thanks for all you reports. We in the US Atlantic seaboard had unusually good reception on 15770 kHz on 12 December after the usual difficult reception the day before. For listeners… Leer más ›

Reception last weekend was difficult in some parts of the world, but there were plenty of good decodes nevertheless. A good place to see results reported by listeners is the @SWRadiogram Twitter account. If you are not on Twitter, point… Leer más ›

Hello friends, Because of  increased solar activity, and because of conditions generally during these months near the solstice, reception and decoding will be interesting in the next few weeks. For example, the 15770 kHz transmissions, directed to Europe, might be… Leer más ›