Shortwave Radiogram, del 27 de Abril al 2 de Mayo: programa 302

Shortwave Radiogram
Shortwave Radiogram

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 nothing. But I decoded successfully via SDRs in California, Colorado, Hawaii and Australia. The space weather maps showing a line across the United States, at about the north-south halfway mark, indicating where the aurora would be visible, were also good predictors of shortwave propagation.

On April 25, we confirmed that WRMI has indeed reinstated our transmission at 1430 UTC on Tuesdays on 9955 kHz. The beam heading is 160°, nominally towards the Caribbean, but it is often heard many places in North America and beyond. The variability of propagation on 9955 kHz makes for interesting reception.

A video of last weekend’s Shortwave Radiogram (program 301)  is provided by Scott in Ontario (Friday 1300 UTC). The audio archive is maintained by Mark in the UK. Analysis is prepared by Roger in Germany.

Here is the lineup for Shortwave Radiogram, program 302, 27 April-2 May 2023, in MFSK modes as noted:

  1:39  MFSK32: Program preview
  2:45  MFSK32: Swedish rocket crashes in Norway
  5:37  MFSK64: The “strange blue asteroid” and its tail*
  9:49  MFSK64: This week’s images*
27:14  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 Gateway Wiki

Shortwave Radiogram Transmission Schedule

| UTC Day  | UTC Time      | Frequency        | Transmitter       |
| Friday   | 0030-0100 UTC | 9265 kHz         | WINB Pennsylvania |
| Friday   | 0530-0600 UTC | 7780 kHz         | WRMI Florida      |
| Friday   | 1300-1330 UTC | 15770 kHz        | WRMI Florida      |
| Friday   | 1500-1530 UTC | 15755 kHz DRM    | WINB Pennsylvania |
| Saturday | 0330-0400 UTC | 9265 kHz         | WINB Pennsylvania |
| Saturday | 2300-2330 UTC | 7570 kHz         | WRMI Florida      | 
| Monday   | 0800-0830 UTC | 5850 kHz         | WRMI Florida      |

The Mighty KBC transmits to Sundays at 2200-2400 UTC (5-7 pm EST) on 5950 kHz from WRMI Florida. A minute of MFSK64 is at about 2330 UTC.  Reports to Eric: . See also and

“This is a Music Show” Most of the show is a music show, but the host transmits some MFSK-64 text and image near the end of the broadcast.  It’s transmitted on WRMI, Thursdays at 0200-0300 UTC on 5850 kHz (Wednesday evening in the Americas). Also look for a waterfall ID at the beginning of the show.    @ThisIsAMusicSho

Pop Shop Radio from British Columbia, Canada, includes “a whole variety of pop music, such as records from the 1960s and 1970s that were played on Top-40 radio stations not only in North America but also on offshore radio and stations like Radio Luxembourg.” The programs now include some MFSK text and an image. Website: Twitter: @popshopradio1  Email:

Thanks for your reception reports!


Kim Andrew Elliott, KD9XB

Producer and Presenter

Shortwave Radiogram




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