Shortwave Radiogram, 22-24 March 2019

Shortwave Radiogram

Last week’s Shortwave Radiogram was very colorful, except for the two gray-scale (also known as grey-scale) images, which were very “blackandwhiteful”. See one example below and many more at or @SWRadiogram on Twitter.

However, apologies for the malfunction last weekend on 9400 kHz. It sounded like CW, but I don’t think it was. The problem was resolved before the end of the transmission. Let’s hope it does bot happen again this Saturday. (A studio recording of last weekend’s broadcast, with no malfunctions, is available here.)

Videos of last weekend’s Shortwave Radiogram (program 91) are provided by Scott in Ontario (Friday 2030 UTC) and Ralf in Germany (Saturday 1400 UTC, including the transmitter issue). Additional video from 1400 UTC is contributed by radio_no_koe in Japan. The audio archive is maintained by Mark in the UK. Analysis is prepared by Roger in Germany.

The Pennsylvania NBEMS Net (listed below) is experimenting with the Thor
50×1 mode for messages. We will therefore experiment with it on this
weekend’s Shortwave Radiogram.Thor 50×1 is faster than MFSK32 (176 vs
120 wpm) and wider (900 vs 630 Hz). There will be eight MFSK images (1
MFSK32 and 7 MFSK64).

This weekend’s program also includes news about the HAARP spring research campaign, 25-29 March, including an artistic element in the Scotte 1 SSTV mode.

Here is the lineup for Shortwave Radiogram, program 92, 22-24 March 2019, in modes as noted:

1:38  MFSK32: Program preview
2:42  HAARP Gearing Up for its spring research campaign*
9:03  Thor 50×1: New internet legislation in Russia
12:06  MFSK64: Proposed budget cuts RFE/RL language services*
15:59  Images of the week*
27:06  MFSK32: Closing announcements

* with image(s)

Please send reception reports to

And visit

Twitter: @SWRadiogram or (visit during the weekend to see listeners’ results)

Facebook group:

|            Shortwave Radiogram Transmission Schedule           |
| UTC Day  | UTC Time      | Frequency     | Transmitter site    |
| Friday   | 1500-1530 UTC | 13755 kHz DRM*| WINB Pennsylvania   |
| Friday   | 2030-2100 UTC | 7780 kHz      | WRMI Florida        |
| Saturday | 0230-0300 UTC | 9265 kHz      | WINB Pennsylvania   |
| Saturday | 1400-1430 UTC | 9400 kHz      | Space Line Bulgaria |
| Sunday   | 0800-0830 UTC | 5850 7730 kHz | WRMI Florida        |             |
| Sunday   | 2330-2400 UTC | 7780 kHz      | WRMI Florida        |

Slow Scan Radio transmits SSTV images and text modes
Saturdays at 1300-1330 UTC on 6070 kHz and 7440 kHz via Channel 292 in
Germany. And Saturday 1730-1800 UTC on 9265 kHz (analog) from WINB Pennsylvania. The
website is Reception reports to

The Mighty KBC transmits to Europe Saturdays at
1300-1400 UTC on 11600 kHz from Bulgaria, with the minute of MFSK at
about 1330 UTC (if you are outside of Europe, listen via ). And to North America Sundays at 0000-0200
UTC (Saturday 7-9 pm EST) on 5960 kHz, via Germany. The minute of MFSK is at about 0130 UTC.  Reports to Eric: . See also and

“This is a Music Show” is the newest addition to
digital modes via analog shortwave. Most of the show is a music show,
but the host transmits some MFSK text and image near the end of the
broadcast. It’s transmitted on WRMI, 5850 kHz, Thursday 0100-0200 UTC
(Wednesday evening in the Americas). Also look for a waterfall ID at the
beginning of the show.

Franco, HB9OAB, is transmitting digital SSTV in the KG-STV
format via WINB (Pennsylvania) analog, Saturdays 2200-2215 UTC, 9265
kHz. Best reception will be via receivers in the western USA.

New York and Pennsylvania NBEMS nets. Most weekends, as
KD9XB, I check in to the New York NBEMS (Narrow Band Emergency
Messaging Software) net Saturday at 1200 UTC on 3584 kHz USB, and the
Pennsylvania NBEMS net Sunday at 1200 UTC on 3583 kHz USB (with
out-of-state check-ins now starting at 1130 UTC). Check-ins are in Thor
22, and messages are in MFSK32 (PA NBEMS is experimenting with Thor 50×1
for messages). Messages usually use the Flmsg
add-on to Fldigi. If you are a radio amateur in eastern North America,
feel free to check in. Outside the region, use an SDR in the eastern USA
to tune in and decode. You do not need Flmsg to check in, and most of
the messages can be read without Flmsg. If you can decode the net, send
me an email to , or tweet to @SWRadiogram , and I
will let them know you are tuned in.



Fredric in France shows what the transmitter malfunction on 9400 kHz,
Saturday 1400-1430 UTC, looked like on an Audacity recorder. The bottom
line shows the signal after the problem was resolved …

the transmitter problem, Frederic was able to decode some of the
images. The Input caption text here. The right three images were
transmitted after the malfunction ended …

  Frederic was also able to decode most of the text  …


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