Shortwave Radiogram, 27-30 July 2018

[Steve Bellner]

-------- Forwarded Message --------

Subject:	Shortwave Radiogram, 27-30 July 2018
Date:	Fri, 27 Jul 2018 11:07:15 -0400
From:	Shortwave Radiogram <radi...@verizon.net>
To:	radi...@verizon.net

Hello friends,

“Slow Scan Radio” is a new broadcast providing text and images via analog shortwave broadcasting. It is produced by John Piek, PA0ETE. As the name implies, the show features images in various SSTV modes. The SSTV images can be decoded using software such as MMSSTV from http://hamsoft.ca/pages/mmsstv.php and the receive-only RXSSTV from http://users.belgacom.net/hamradio/rxsstv.htm . Slow Scan Radio also has text in various modes. Several MFSK and PSK modes were included on the first broadcast on 25 July.

The schedule is Wednesdays at 1830-1900 UTC on 6070 kHz from Channel 292 in Germany. The website of Slow Scan Radio is http://www.slowscanradio.com and reception reports can be sent to John at x...@xdv.me. 

Last week’s Shortwave Radiogram produced good results despite some difficult reception conditions. You can see examples of decoded images and text at @SWRadiogram or https://twitter.com/swradiogram. Videos of last weekend’s show (program 57) were provided by Ralf in Germany, with a second version, from Saturday at 1600 UTC, and by Scott in Ontario from Sunday at 2330-2400 UTC. Mark in the UK maintains the audio archive, and Roger in Germany provides analysis.

This weekend we will try another experiment with an 8PSK mode. Roger in Germany reminded us that PSK modes involve phase shift keying, and that the problems with the phase modulation can occur if the the upper and lower sidebands are not identical. Our hypothesis therefore would be that the decode of 8PSK received in a single sideband mode will be better than the decode received in AM. We will decode 8PSK125F first in AM, then in either USB or LSB (if your radio can receive SSB).  Thirty seconds will be provided to switch your receiver from SSB to AM and vice versa. (The receiver mode changes; Shortwave Radiogram is always transmitted in standard AM.)

Here is the lineup for Shortwave Radiogram, program 58, 27-30 July 2018, in modes as noted:

 

 1:37  MFSK32: Program preview

 2:57  Slow Scan Radio* and SSTV from the ISS

 9:34  8PSK125F: VOA story about water under Mars**

11:26  8PSK125F: DW story about water under Mars***

14:05  MFSK64: Cooling devices and global warming*

21:22  Images of the week*

28:39  MFSK32: Closing announcements

 

* with image(s)

 

** Use AM mode

  

*** Use USB or LSB mode (if available on your radio)

Please send reception reports to radi...@verizon.net

And visit http://swradiogram.net

Twitter: @SWRadiogram or https://twitter.com/swradiogram

Facebook group: https://www.facebook.com/groups/567099476753304

 

Shortwave Radiogram Program 58 (27-30 July 2018)
Friday	2030-2100 UTC	7780 kHz 5950 kHz	MFSK32 8PSK-125F MFSK64	WRMI Florida
Saturday	1600-1630 UTC	9400 kHz		Space Line, Bulgaria
Sunday	2330-2400 UTC	7780 kHz		WRMI Florida
Monday	0800-0830 UTC	7730 kHz 5850 kHz		WRMI Florida

 

 

Slow Scan Radio transmits SSTV images and text modes Wednesdays at 1830-1900 UTC on 6070 kHz via Channel 292 in Germany. The website is http://www.slowscanradio.com. Reception reports to  x...@xdv.me.

The Mighty KBC transmits to Europe Saturdays at 1500-1600 UTC on 9400 kHz (via Bulgaria), with the minute of MFSK at about 1530 UTC (if you are outside of Europe, listen via websdr.ewi.utwente.nl:8901/ ).  And to North America Sundays at 0000-0200 UTC (Saturday 8-10 pm EDT) on 9925 kHz, via Germany. The minute of MFSK is at about 0130 UTC.  Reports to Eric: themig...@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  http://ibcradio.webs.com/  

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 broadspec...@gmail.com.

Thanks for your reception reports!  

Kim

 

Kim Andrew Elliott, KD9XB

Producer and Presenter

Shortwave Radiogram

Reporting on international broadcasting at https://twitter.com/kaedotcom