Shortwave Radiogram, 23-25 November 2018

Shortwave Radiogram

Shortwave Radiogram

We had fun last weekend with the waterfall spectrogram of the Arecibo message to outer space. You can access some video examples here. This weekend, Merkouris, who created Arecibo waterfall graphic, will tell us, by way of MFSK64  text, how these spectrograms are created. That will be followed by another graphic representing a famous landmark in Thessaloniki, Greece.

My favorite activity on Shortwave Radiogram is to achieve a good text decode despite difficult conditions. Last Saturday, I was able to decode most of the Olivia 64-2000from Bulgaria, using an SDR in Alberta, despite a barely audible signal. However, I am having much less luck decoding the same 64-2000 from my .wav recording of that same reception.

Videos of last weekend’s Shortwave Radiogram (program 74) are provided by Scott in Ontario (Friday 2030-2100) and Ralf in Germany (Saturday 1400-1430 UTC). The audio archive is maintained by Mark in the UK. Analysis is prepared by Roger in Germany.

This weekend, MFSK32 and MFSK64 only, with seven images and the  waterfall graphic.

Here is the lineup for Shortwave Radiogram, program 75, 23-25 November 2018, in MFSK modes as noted:

1:40  MFSK32: Program preview
2:52  Redefinition of kilogram and other international units*
8:23  MFSK64: 80th anniversary of Radio Tirana*
12:23  How are waterfall spectrograms created?**
18:01  This week’s images*
27:19  MFSK32: Closing announcements

* with image(s)
** followed by spectrogram

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

Slow Scan Radio transmits SSTV images and text modes Saturdays at 1300-1330 UTC on 6070 kHz (and maybe also 7440 kHz) via Channel 292 in Germany – according to the latest schedule information I have. The website is http://www.slowscanradio.com. Reception reports to x@xdv.me.

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 websdr.ewi.utwente.nl:8901/ ). 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: themightykbc@gmail.com . See also http://www.kbcradio.eu/ and https://www.facebook.com/TheMightyKbc/.

Italian Broadcasting Corporation (IBC)  Five minutes of MFSK32 is at the end of the 30-minute English-language “Shortwave Panorama. For the complete IBC transmission schedule visit  https://ift.tt/2auVEwZ

Broad Spectrum Radio is transmitted by WRMI Florida Mondays at 0700-0800 UTC on 5850 and 7730 kHz. MFSK32 is broadcast during the second half hour of the show. Reports to broadspectrumradio@gmail.com.

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