Friday, July 27, 2018

Shortwave Radiogram weekend schedule

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 and the receive-only RXSSTV from . 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 and reception reports can be sent to John at 

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 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

Twitter: @SWRadiogram or

Shortwave Radiogram Program 58
(27-30 July 2018)

2030-2100 UTC
7780 kHz
5950 kHz
WRMI Florida
1600-1630 UTC
9400 kHz
Space Line, Bulgaria
2330-2400 UTC
7780 kHz
WRMI Florida
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 Reception reports to

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 ).  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: . See also and

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  

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

Thanks for your reception reports! 


Kim Andrew Elliott, KD9XB
Producer and Presenter
Reporting on international broadcasting at