Hello friends If you are in the USA. I hope you were not inconvenienced (or worse) by the bands of severe weather the moved across the country during the past few days. Here in the Washington DC area, we have… Leer más ›
Digital Modes
Shortwave Radiogram, del 2 al 8 de Mayo: programa 352
Hello friends, In last week’s email, I wrote «It will be hot enough, soon enough.» Well, as I type this, it is 90°F/32°C in Arlington, Virginia. And we obstinately have not turned on our house’s air conditioning. The AC is… Leer más ›
Shortwave Radiogram, del 25 de Abril al 1 de Mayo: programa 351
Hello friends, Here in Virginia, spring is moving quickly. The crocuses, daffodils, tulips, cherry blossoms, and red buds have come and gone. We are now in the azalea phase. Our spring has mostly been cool, and even cold at times…. Leer más ›
Shortwave Radiogram, del 18 al 24 de Abril: programa 350
Hello friends, An active sun has resulted in some recent disruptions to shortwave propagation. Generally Shortwave Radiogram has been lucky in sidestepping these events, so let’s hope this pattern holds up. And while solar activity can cause brief dropouts on… Leer más ›
Shortwave Radiogram, del 11 al 17 de Abril: programa 349
Hello friends, If you were close enough to its path, I hope you had a view of the April 8th eclipse. Even if clouds obscured the sun, the brief presence of darkness during the day is quite a phenomenon. I… Leer más ›
Shortwave Radiogram, del 4 al 10 de Abril: programa 348
Hello friends There are no transmissions of Shortwave Radiogram during the time of the solar eclipse on April 8. But that might be an interesting time to listen shortwave or even medium wave radio. The theory is that frequencies usually… Leer más ›
Shortwave Radiogram, del 28 de Marzo al 3 de Abril: programa 347
If you were tuned in last week to the Wednesday “red eye” show at 0800 UTC, you would have noticed the signal on 5850 kHz was absent. At first I suspected the solar activity that has affected shortwave reception lately…. Leer más ›
Shortwave Radiogram, del 21 al 27 de Marzo: programa 346
Hello friends, Spring is officially here, although today here in northern Virginia, the temperature did not rise above 50F/10C. And the wind made it seem cooler. Another recent feature of our local weather has been wildfires, mostly in the mountains… Leer más ›
Shortwave Radiogram, del 14 al 20 de Marzo: programa 345
Thank you for enduring the latest of our “double play” programs. There will be more this year, as there are family activities on the agenda. Most of North America shifted to “Daylight Savings Time” on March 10. This affects the… Leer más ›
Shortwave Radiogram, del 1 al 13 de Marzo: programa 344
Hello friends Program 344 will be another déjà vu edition of Shortwave Radiogram. Due to family activities in our house the program transmitted 1-6 March 2024 will be repeated 9-14 March. And to add to the confusion, because of North America’s… Leer más ›
Shortwave Radiogram, del 23 al 28 de Febrero: programa 343
And yet another reminder of our schedule change, probably more for my benefit than for yours. The Friday 1300-1330 UTC broadcast of Shortwave Radiogram has moved to Wednesday 1330-1400. The frequency is the same: 15770 kHz from WRMI Florida. The… Leer más ›
Shortwave Radiogram, del 16 al 21 de Febrero: programa 342
This reminder: The Shortwave Radiogram transmission Fridays at 1300-1330 UTC has moved to Wednesdays 1330-1400 UTC. This is on 15770 kHz from WRMI Florida. The updated schedule is provided below. We were supposed to have one last broadcast last Friday… Leer más ›
Shortwave Radiogram, del 9 al 14 de Febrero: programa 341
WRMI has informed me that they have a new customer for Friday 1300-1330 UTC on 15770 kHz. Shortwave Radiogram will be transmitted one last time Friday, February 9, 1300-1330 during that 1300-1330 time slot. Shortwave Radiogram will then be moved to… Leer más ›
Shortwave Radiogram, del 2 al 5 de Febrero: programa 340
The only mishap last week was Friday at 0030 UTC, the first broadcast of the weekend, which was the previous week’s show (program 338) rather than the scheduled program 339. If you missed program 339, this video by Scott in Toronto is… Leer más ›
Shortwave Radiogram, del 26 al 29 de Enero: programa 339
Last week I mentioned my commentary “Why we need Shortwave 2.0” in the trade publication Radio World. This weekend’s show will include most of that article in MFSK64 text. Radio World also received a letter from Ruxandra Obreja, chairman of the Digital… Leer más ›
Shortwave Radiogram, del 19 al 22 de Enero: programa 338
If you are looking for some winter reading, check out my “Why we need Shortwave 2.0” in the January 17 Radio World. It includes discussion of our Shortwave Radiogram project, to which you all contribute. After a writing drought, I also had… Leer más ›
Shortwave Radiogram, del 12 al 15 de Enero: programa 337
Now that winter is firmly here, so is winter weather. We had this month’s storm of the century during the past week. As is the case in these recent warmer years, it featured rain rather than snow. My wife and… Leer más ›
Shortwave Radiogram, del 5 al 8 de Enero: programa 336
Hello friends I hope you enjoyed the holidays. Thank you for your patience during our repeated «Holiday Spectacular.» Perhaps the most interesting result was this multipath reception of the abstract Christmas tree, December 29 during the 1300-1330 UTC show, 15770… Leer más ›
Shortwave Radiogram, del 22 al 25 de Diciembre: programa 335
It seems Thanksgiving was just a few days ago, and suddenly Christmas is here. It must be that phenomenon of time moving faster as we get older. Shortwave Radiogram celebrates the holidays this weekend (and next) with an all image,… Leer más ›
Shortwave Radiogram, del 15 al 18 de Diciembre: programa 334
Hello friends The holiday season generates many colorful photos to include in Shortwave Radiogram. Most of this week’s MFSK images will continue in that theme. While searching for seasonal images, some content sources were upfront about the fact that their… Leer más ›
Shortwave Radiogram, del 8 al 11 de Diciembre: programa 333
I hope the December holiday season is unfolding well where you are. There has been no snow here yet. We might again get through the entire winter without any appreciable accumulation of snow. But while driving earlier this week, my… Leer más ›
Shortwave Radiogram, del 1 al 4 de Diciembre: programa 332
If you have lately attempted to access Mark Hirst’s comprehensive archive of Shortwave Radiogram audio, and have been frustrated by a bad link, that link is now fixed. Mark’s archive is based on his reception in the UK. We thank Mark… Leer más ›
Shortwave Radiogram, del 24 al 27 de Noviembre: programa 331
Happy Thanksgiving to our American listeners. Our EasyDRF special last week was largely successful. Many thanks to Daz Man in Australia for producing the broadcast, and for the instructions. If you were not able to receive or decode the EasyDRF,… Leer más ›
Shortwave Radiogram, del 17 al 20 de Noviembre: programa 330
The next Shortwave Radiogram will be another EasyDRF special produced by Daz Man in Australia. EasyDRF is a Windows application program for sending files over radio using HamDRM format. EasyDRF is somewhat complex and less tolerant of difficult reception conditions than our… Leer más ›
Shortwave Radiogram, del 10 al 13 de Noviembre: programa 329
Thanks to all of you who decoded last weekend’s Arabic text. Klaus in Germany demonstrated how it can be done with low-end equipment: “Samsung Galaxy Tab 2 (from 2012 with Android 4), TIVAR Version 1.1 for Android 2-4), Degen DE13… Leer más ›
Shortwave Radiogram, del 2 al 6 de Noviembre: programa 328
Thank you for your patience during last weekend’s repeat broadcast, necessitated by some travel. Arabic text this weekend. The Israel Hamas war has resulted in a complete communications blackout (no internet or cell phones working) in Gaza. Residents of Gaza, and… Leer más ›
Shortwave Radiogram, del 19 al 30 de Octubre: programa 327
Shortwave Radiogram program 327, 19-23 October 2023, will be repeated 26-30 October 2023. The seasonal time change in Europe, on October 29, will affect the listeners’ local times of the Sunday 1430 UTC and Monday 0800 UTC broadcasts – which are… Leer más ›
Shortwave Radiogram, del 12 al 16 de Octubre: programa 326
Last week our Friday 0530-0600 UTC broadcast on 7780 kHz was not transmitted (not that many people listen at this time). WRMI was transmitting, but the the show did not get into WRMI’s system, due to complications associated with WRMI’s… Leer más ›
Shortwave Radiogram, del 5 al 9 de Octubre: programa 325
WRMI in Florida has changed its internet service provider. This will increase the speed of content uploads by WRMI’s program makers. Let’s hope everything goes smoothly this weekend, but please report any anomalies. If you are in the USA, did… Leer más ›
Shortwave Radiogram, del 28 de Septiembre al 2 de Octubre: programa 324
Here in northern Virginia, Post Tropical Low Ophelia passed through September 24-25, bringing much needed rain and halfhearted wind gusts that did no damage. The worst disruptions were in low-lying areas near water, especially in North Carolina. And, today, remnants… Leer más ›
Shortwave Radiogram, del 21 al 25 de Septiembre: programa 323
Please note some changes to the schedule for The Mighty KBC. Changes are in bold. All frequencies from WRMI Florida. Friday 1100-1200: Eric van Willegen* 15770Saturday 0200-0300: Dave Mason 5850Saturday 0800-0900: Eric van Willegen* 7780Sunday 0000-0100: Dave Mason 5950 9455Sunday 0100-0200: Eric van… Leer más ›
Shortwave Radiogram, del 14 al 18 de Septiembre: programa 322
This weekend’s Shortwave Radiogram will include an item recalling the events of September 11, 2001 in Manhattan. On that day, I was a broadcaster at the Voice of America, producing and presenting the weekly show Communications World. My editor/boss told… Leer más ›
Shortwave Radiogram, del 7 al 11 de Septiembre: programa 321
Here’s a temporary preview of this weekend’s broadcast (program 321) until problems with our email distribution service are resolved: 1:43 MFSK32: Program preview2:51 MFSK32: France calls for minimum price on flights5:08 MFSK64: Electrifying heavy-duty vehicles in urban areas*13:52 MFSK64: This… Leer más ›
Shortwave Radiogram, del 31/8 al 4/9: programa 319
I hope those of you who were in the path of Hurricane/Tropical Storm Idalia did not suffer too many adverse effects. That system has moved out to the Atlantic off the North Carolina coast, and it might still be felt… Leer más ›
Shortwave Radiogram, del 17 al 21 de Agosto: programa 318
We’ve had two frustrating weeks with out Friday 1300-1330 UTC broadcast, 15770 kHz from WRMI Florida – which is usually the transmission that reaches the farthest in world. Last week, Shortwave Radiogram was missing, with the Overcomer Ministry in its… Leer más ›
Shortwave Radiogram, del 10 al 14 de Agosto: programa 317
In last week’s email I mentioned that our transmission Tuesdays at 1430-1500 UTC on 9955 kHz from WRMI Florida has been bumped in favor of RAE Argentina al Mundo in French, which is Monday through Friday in that slot. However,… Leer más ›
Shortwave Radiogram, del 3 al 7 de Agosto: programa 316
Listeners have noticed that our transmission Tuesday at 1430-1500 UTC on 9955 kHz from WRMI Florida – usually difficult to receive during the summer – has been replaced by other content. Today I received confirmation from WRMI that the French… Leer más ›
Shortwave Radiogram, del 27 de Julio al 1 de Agosto: programa 315
Today, the temperature here in northern Virginia reached 97°F / 36°C – which is mild compared to hotter weather endured by some of our listeners. Of course, our downstairs air conditioner (heat pump) decided to break down. Two HVAC guys… Leer más ›
Shortwave Radiogram, del 20 al 25 de Julio: programa 314
We use Twitter @SWRadiogram extensively to share results of Shortwave Radiogram reception, and to send reminders about transmissions during the weekend. It is a simple and functional platform for that purpose. But, with uncertainties about the future of Twitter, I… Leer más ›
Shortwave Radiogram, del 13 al 18 de Julio: programa 313
The slow browsing problem that I was lamenting last week has been resolved. I went into the Firefox settings and made various adjustments, applying the science (art?) of trial-and-error, and finally something worked. And so we move on to a… Leer más ›
Shortwave Radiogram, del 6 al 11 de Julio: programa 312
This was a big week in our house. I installed a new Verizon Fios router, with the help of a Verizon representative on the telephone. We were FiOS (as it was capitalized back then) customers since it was introduced to… Leer más ›
Shortwave Radiogram, del 29 de Junio al 4 de Julio: programa 311
As I type this, the Washington DC area is in a Code Red situation for the smoke and haze from the Canadian wildfires. Many of you in North America are in a similar situation. It does look hazy outside, but… Leer más ›
Shortwave Radiogram, del 22 al 27 de Junio: programa 310
This week in northern Virginia, we have an unusual visitor: rain. It rained most of yesterday, and it will rain, at least a bit, during the next few days. This won’t completely break our drought, but any precipitation helps. Meanwhile… Leer más ›
Shortwave Radiogram, del 15 al 20 de Junio: programa 309
Today in the Middle Atlantic, the weather is delightful (but we could use some rain). Shortwave propagation has been less than delightful, with static crashes from offshore storms adding to the mix. I hope conditions improve in time for this… Leer más ›
Shortwave Radiogram, del 8 al 13 de Junio: programa 308
I hope the fires, smoke and haze that affected much of North America in the past week have not had major adverse effects on you. I don’t think they will impede our MFSK transmissions. Thanks to all of you who… Leer más ›
Shortwave Radiogram, del 1 al 6 de Junio: programa 307
This weekend on Shortwave Radiogram, we will experiment with three flavors ofMFSK: MFSK16 (60 wpm), MFSK32 (120 wpm) and MFSK64. We use MFSK32 and MFSK64 most weeks. MFSK16 is slow, but it is often successful in poor reception conditions. Bad… Leer más ›
Shortwave Radiogram, del 18 al 23 de Mayo: programa 305
Thanks to Daz Man in Australia for producing last week’s special EasyDRF transmission. And thanks to everyone who participated by tuning and decoding, or attempting to decode, whether you were successful or not. When it worked, the EasyDRF results were… Leer más ›
Shortwave Radiogram, del 11 al 16 de Mayo: programa 304
I am sending this preview of program 304 (11-16 May 2023) a few days early to give you time to download, install, and practice decoding the EasyDRF we will be using. EasyDRF is a version of HamDRM which can be… Leer más ›
Shortwave Radiogram, del 4 al 9 de Mayo: programa 303
Our transmission on Saturdays, 2300-2330 UTC, 7570 kHz from WRMI Florida, has been suffering from wide-band interference on the same frequency. The interference is intermittent: sometimes it’s there, sometimes not, sometimes it lasts for several minutes, sometimes just for a… Leer más ›
Shortwave Radiogram, del 27 de Abril al 2 de Mayo: programa 302
The big solar storm of April 23/24 certainly had an effect on the Monday 0800-0830 UTC broadcast, 5850 kHz from WRMI Florida. The signal here in northern Virginia was weak and unusable. Via SDRs in Canada and Minnesota, I heard… Leer más ›
Shortwave Radiogram, del 20 al 25 de Abril: programa 301
I hope everyone has recovered from the Program 300 celebration last week.🙂 Now we settle into our pattern of MFSK32 text, MFSK64 text, and MFSK64 images. We find the MFSK32 and MFSK64 work best in typical shortwave reception conditions. And… Leer más ›
Shortwave Radiogram, del 13 al 17 de Abril: programa 300
This weekend is program 300 of Shortwave Radiogram. 🥳 This occasion will be mentioned during the broadcast, but no big celebration has been prepared. As usual, I finished this weekend’s show just in time for my first deadline (upload to… Leer más ›
Shortwave Radiogram, del 6 al 10 de Abril: programa 299
As I type this, the windows in my office are open. Through the screen I can hear the grass-cutting machines, which seem to be a permanent feature in our neighborhood. Temperatures here in northern Virginia reached 87F/31C this week, and… Leer más ›
Shortwave Radiogram, del 31 de Marzo al 3 de Abril: programa 298
In Europe and North America, the moving forward of clocks for summer time is now complete. Check the schedule below, and be sure your conversions from UTC to local time are correct. This weekend’s Shortwave Radiogram includes two images of… Leer más ›
Shortwave Radiogram, del 23 al 27 de Marzo: programa 297
This will be another weekend of changes: Most of Europe will move its clocks forward on March 26. That same day the A23 HF (shortwave) frequency season begins. Many shortwave broadcast stations will change frequencies to adjust for seasonal propagation…. Leer más ›
Shortwave Radiogram, del 16 al 20 de Marzo: programa 296
In North America, the transition to “daylight savings time” is now complete. WINB maintains its schedule on Eastern Time in the USA, so Shortwave Radiogram will be one hour earlier by UTC. The WRMI frequencies used for Shortwave Radiogram stay… Leer más ›
Shortwave Radiogram, del 10 al 13 de Marzo: programa 295
This is the time of year when time changes and frequency changes can complicate our shortwave listening. In most of North America, clocks will move forward one hour on Sunday, March 12. The only impact this weekend is that the… Leer más ›
Shortwave Radiogram, del 3 al 6 de Marzo: programa 294
I missed most of last weekend’s show (program 293) while in Florida for a family gathering. Thanks to Al @WD4AH_Al and Mitch @Plano26 for monitoring the @SWRadiogram Twitter during my absence. In a sure sign of spring, last night I… Leer más ›
Shortwave Radiogram, del 24 al 27 de Febrero: programa 293
Snow and ice will affect much of North America this weekend. Good luck if you and your antennas are affected. Down here in Virginia, the weather will remain boring except for higher than normal temperatures. Shortwave reception will not be… Leer más ›
Shortwave Radiogram, del 17 al 20 de Febrero: programa 292
Here in northern Virginia, our strange winter of higher than normal temperatures and no snow continues. Maybe we will get some winter before winter is over. All of the Shortwave Radiogram broadcasts were transmitted as scheduled last week – except… Leer más ›
Shortwave Radiogram, del 10 al 13 de Febrero: programa 291
As I type this, it’s warm (65F/18C) here in northern Virginia. The cold weather will return, and it would be nice to see some snow before winter is over. The spring-like weather is a reminder that seasonal changes to propagation… Leer más ›
Shortwave Radiogram, del 3 al 6 de Febrero: programa 290
Lately all of our broadcasts have been without mishap. The Saturday 2300-2330 UTC is, however, “interesting” because of the noise that has been co-channel the past few weeks. It sounds more like jamming than data, but this does not rule… Leer más ›
Shortwave Radiogram, del 27 al 30 de Enero: programa 289
In the northern hemisphere, nights are still long enough that our “red-eye” transmission Monday 0800-0830 UTC on 5850 kHz often reaches the western parts of Europe. Sometimes a Stanag military data signal is also on 5850, but the Shortwave Radiogram… Leer más ›
Shortwave Radiogram, del 20 al 23 de Enero: programa 288
Our transmission Friday (tonight) at 0530-0600 UTC on 7780 kHz does not draw much of an audience. This could be because of its inconvenient time. Or because the signal is not very good at anyplace that we know of. The… Leer más ›
Shortwave Radiogram, del 13 al 16 de Enero: programa 287
During the afternoon, while napping, I received an email from WINB indicating that they were not able to retrieve this weekend’s program that I uploaded to their FTP site. I tried again under a different filename. If that problem has… Leer más ›
Shortwave Radiogram, del 6 al 9 de Enero: programa 286
I hope the year 2023 is starting well for you. Here in northern Virginia, we could use some rain, or snow, or anything wet. A reminder about recent Shortwave Radiogram schedule adjustments: 1) The new Friday 0530-0600 UTC on 7780… Leer más ›
Shortwave Radiogram, del 30/12/22 al 2/1/23: programa 285
I hope you have been enjoying the holiday season. Best wishes for the new year. Bear with me if I type “2022” a few times when I should type 2023. And if you were affected by Winter Storm Elliott (where… Leer más ›
Shortwave Radiogram, del 23 al 26/12: programa 284
Merry Christmas, Happy Hanukkah, and all the associated holidays. Yet another schedule change to report. During the past two weeks, listeners reported the absence of a signal on 9955 kHz during the Tuesday 1530-1600 UTC transmission. I checked the WRMI… Leer más ›
Shortwave Radiogram, del 16 al 20/12: programa 283
Our transmission last Tuesday at 1530 UTC on 9955 kHz was not on the air due to some issue at WRMI. I am hearing WRMI now (2255 UTC) on 9955, so whatever the problem was, it’s resolved now. Our newest… Leer más ›
Shortwave Radiogram, del 9 al 13/12: programa 282
There are a couple of changes to the Shortwave Radiogram transmission schedule. Last Monday morning during the “red-eye” show at 0800-0830 UTC, I heard the usual Shortwave Radiogram on 5850 kHz, but there was some other content on 7780 kHz…. Leer más ›
Shortwave Radiogram, del 2 al 6/12: programa 281
I hope listeners in the USA had a good Thanksgiving. And good wishes to everyone as the holiday season develops. See The Mighty KBC section below for news about their future frequency and transmitter site. A video of last weekend’s… Leer más ›
Shortwave Radiogram, del 25 al 29/11: programa 280
Wishing listeners in the USA a Happy Thanksgiving, celebrated here on November 24th. Videos of last weekend’s Shortwave Radiogram (program 279) are provided by Darau Blė in Lithuania and Scott in Ontario (both Friday 1300 UTC). The audio archive is maintained by Mark in the… Leer más ›
Shortwave Radiogram, del 18 al 22/11: programa 279
There is one correction to the Shortwave Radiogram schedule to announce: The WINB DRM transmission is Friday at 1500-1530 UTC. And its frequency is 15755 kHz, up five kilohertz from the 15750 kHz WINB had been using the past few… Leer más ›
Shortwave Radiogram, del 11 al 15/11: programa 278
As I type this, Tropical Storm Nicole is passing over Florida. This storm is not as powerful as Ian, but no doubt Nicole’s rain and wind will have some impact on WRMI operations. At the moment (2108 UTC), I am… Leer más ›
Shortwave Radiogram, del 3/11 al 8/11: programa 277
* with image(s) Please send reception reports to radiogram@verizon.net And visit http://swradiogram.net Twitter: @SWRadiogram or https://twitter.com/swradiogram (visit during the weekend to see listeners’ results) Facebook group: https://www.facebook.com/groups/567099476753304 Shortwave Radiogram Gateway Wiki https://wiki.radioreference.com/index.php/Shortwave_Radiogram_Gateway Shortwave Radiogram Transmission Schedule The Mighty KBC transmits to North America Sundays at 0000-0200… Leer más ›
Shortwave Radiogram, del 20/10 al 1/11: programa 276
Program 276 will be transmitted this weekend (20-25 October) and repeated the following weekend (27 October-1 November). While WRMI has made good progress restoring its antennas and feedlines since Hurricane Ian, key WRMI frequencies used for Shortwave Radiogram are still… Leer más ›
Shortwave Radiogram, del 13 al 18/10: programa 275
Hello friends WRMI has restored several of its frequencies after damage to its antennas by Hurricane Ian. Unfortunately, last weekend, most of the frequencies used by Shortwave Radiogram were not among the frequencies back on the air. We will not… Leer más ›
Shortwave Radiogram, del 6 al 11/10: programa 274
Due to damage from Hurricane Ian, none of the WRMI transmissions of Shortwave Radiogram was broadcast last weekend. Accordingly, we will repeat last week’s program 274 this weekend, on all the WRMI and WINB times and frequencies. As I type… Leer más ›
Shortwave Radiogram, del 29/9 al 4/10: programa 274
Our thoughts are with Shortwave Radiogram listeners in the path of Hurricane Ian and its associated storms and rainfalls. We wish you minimum disruptions. WRMI in Okeechobee, Florida, experienced a power failure for several hours. Their power is restored, but… Leer más ›
Shortwave Radiogram, del 22 al 27/9: programa 273
Summer has transitioned to Autumn – or vice versa in the Southern Hemisphere. The seasons changed abruptly here in Northern Hemisphere, when a cold front brought cooler temperatures and gust winds. Tomorrow (Friday) I will walk three blocks for a… Leer más ›
Shortwave Radiogram, del 8 al 13/9: programa 271
I woke up from an afternoon nap to learn of the death of Queen Elizabeth. As a shortwave listener, I remember listening to her Christmas messages on shortwave (our preferred technology), and later via newer media. Events compelled me to… Leer más ›
Shortwave Radiogram, del 1 al 6/9: programa 270
The Mighty KBC moves to its winter frequency of 5960 kHz this weekend: UTC Sunday 0000-0200 UTC, Saturday evening in the Americas. See KBC section farther down in this email … September is here. Here in the Washington DC area,… Leer más ›
Shortwave Radiogram, del 25 al 30/8: programa 269
Last week (program 268) an automation problem at WRMI Florida shifted the frequency for the 1300 UTC Friday show (August 19) from 15770 (which had classic hits instead) to 5850 kHz. Sorry for this unfortunate surprise. If this happens again,… Leer más ›
Shortwave Radiogram, del 18 al 23/8: programa 268
Apologies if you were tuned in Sunday, August 14, 2330 UTC, 7730 kHz, and heard other content instead of Shortwave Radiogram. It was a problem in the WRMI automation system that WRMI is still trying to determine. Listeners were also… Leer más ›
Shortwave Radiogram, del 11 al 16/8: programa 267
Here in the Washington DC area, we are finally enjoying some relief from the heat and humidity. Our windows were open all day today. Nighttime temperatures will be below 70F (21C), for the famous “sleeping weather.” We will still experience… Leer más ›
Shortwave Radiogram, del 4 al 9/8: programa 266
It has been a noisy week here at the Elliott house. I’m not referring to RF noise. The chimney company was here to drill out the terra-cotta liners dating to 1941, when our house was built. New insulating materials were… Leer más ›
Shortwave Radiogram, del 28/7 al 2/8: programa 265
Our Chinese text last week was mostly successful. It decoded in places such as Russia, Australia and Brazil. Everywhere, it seems, except China. Shortwave Radiogram does not have, at present, a transmitter in a location that can routinely reach China. A… Leer más ›
Shortwave Radiogram, del 21 al 26 de Julio: programa 264
Last weekend I attended the annual meeting of the National Association of Shortwave Broadcasters (NASB). Even though NASB is an organization of private U.S. shortwave stations, the meeting was held at the headquarters of Radio Free Asia, a U.S. government… Leer más ›
Shortwave Radiogram, del 14 al 19 de Julio: programa 263
We had success last week with our transmissions of Turkish text (now that Turkey is blocking the websites of Deutsche Welle and the Voice of America). I am not aware of any remotely tunable SDRs in Turkey, but reception via receivers in… Leer más ›
Shortwave Radiogram, del 7 al 12 de Julio: programa 262
Our Russian text experiment last weekend was successful, with the MFSK32 decoding 100% via an SDR in Russia despite the distance from our WINB and WRMI transmitters. This weekend, we will try another language: Turkish. Turkey’s decision to block the Turkish-language online… Leer más ›
Shortwave Radiogram, del 30 de Junio al 5 de Julio: programa 261
This weekend, Shortwave Radiogram will again try some Russian text. So far we have not been able to convince any of the international news organizations that provide content in Russian to transmit text via shortwave on a regular basis. A… Leer más ›
Shortwave Radiogram, del 23 al 28 de Junio: programa 260
Greetings and good luck to radio amateurs in North America who will be participating in the ARRL Field Day event, June 25 and 26. Let’s hope both space weather and terrestrial weather cooperate for everyone taking part in Field Day…. Leer más ›
Shortwave Radiogram, del 16 al 21 de Junio: programa 259
Unrelated to Shortwave Radiogram, we had some excitement the early morning of June 14. About 3:00 am, I heard a commotion in the house. It involved our cat Ollie. He was chasing a moth, I assumed. Gazing into the darkness:… Leer más ›
Shortwave Radiogram, del 9 al 14 de Junio: programa 258
One or more of the WINB transmissions might begin with the text “Welcome to program 186 of Shortwave Radiogram.” The show actually is program 258. This error will not appear in the WRMI transmissions. The repeat broadcast last weekend is… Leer más ›
Shortwave Radiogram, del 26 de Mayo al 7 de Junio: programa 257
Due to family activities (again), Shortwave Radiogram program 257 will be broadcast 26-31 May 2022 and repeated 2-7 June. Because of the complexity of uploading the programs to WINB and WRMI, the easiest solution in these situations to repeat a show from… Leer más ›
Shortwave Radiogram, del 19 al 24 Mayo: programa 256
This weekend, we in the northeast USA will get our first taste of hot weather. Temperatures will be in the mid-90s F, or about 35C. We will quickly find out if our air conditioning keeps the radios and PCs cool… Leer más ›