During the past two weekends, we saw a few examples (including this one) of the new MFSK wide modes providing a improvement over the conventional MFSK32 and MFSK64. While the tests were mostly inconclusive, we did learn about the performance of the wide modes based on your reports (thank you!). John KL4YFD is using this information to work on different versions of the wide modes. We might be able to try these in future broadcasts.

Videos of last weekend’s Shortwave Radiogram (program 177) are provided by Scott in Ontario (Saturday 1330) and Jeff in in Oklahoma (Sunday 2330 UTC). The audio archive is maintained by Mark in the UK. Analysis is prepared by Roger in Germany.

No experiments this weekend. We will return to our usual format
consisting entirely of MFSK32 and MFSK64 text, with eight MFSK64 images.

Here is the lineup for Shortwave Radiogram, program 178, 13-15 November 2020, in MFSK modes as noted:

1:39  MFSK32: Program preview
2:43  Hurricanes lingering longer after landfall
5:58  MFSK64: Science’s top 10 erroneous results
14:24  This week’s images*
28:34  MFSK32: Closing announcements

* with image(s)

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

Shortwave Radiogram Gateway Wiki https://wiki.radioreference.com/index.php/Shortwave_Radiogram_Gateway

Shortwave Radiogram Transmission Schedule

| UTC Day  | UTC Time      | Frequency        | Transmitter       |
|----------|---------------|------------------|-------------------|
| Friday   | 0030-0100 UTC | 9265 kHz         | WINB Pennsylvania |
| Friday   | 1300-1330 UTC | 15770 kHz        | WRMI Florida      |
| Friday   | 1500-1530 UTC | 13655 kHz DRM    | WINB Pennsylvania |
| Saturday | 0330-0400 UTC | 9265 kHz         | WINB Pennsylvania |
| Saturday | 1330-1400 UTC | 15770 kHz        | WRMI Florida      |
| Sunday   | 0800-0830 UTC | 5850 and 7730 kHz| WRMI Florida      |
| Sunday   | 2330-2400 UTC | 7780 kHz         | WRMI Florida      | 

The Mighty KBC transmits to North America Sundays at
0000-0200 UTC (Saturday 7-9 pm EST) on 5960 kHz, via Germany. A minute
of MFSK is at about 0130 UTC.  And look for various modes in the DX
Headlines by Peter John, usually in the last half hour. Reports to Eric:
themightykbc@gmail.com . See also http://www.kbcradio.eu/ and https://www.facebook.com/TheMightyKbc/.

“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, Thursdays at 0200-0300 UTC on 5850
kHz (Wednesday evening in the Americas) and a new time also on WRMI,
Wednesdays at 2100-2200 UTC on 7780 kHz (aimed towards Europe) . Also
look for a waterfall ID at the beginning of the show.
thisisamusicshow@gmail.com .  www.twitter.com/ThisIsAMusicSho/
@ThisIsAMusicSho

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 1300 UTC on 3584 kHz USB, and the
Pennsylvania NBEMS net Sunday at 1230 UTC on 3583 kHz USB (with
out-of-state check-ins now starting at 1130 UTC). Check-ins are usually
in Thor 22, and messages are in MFSK32. Messages generally 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 radiogram@verizon.net , or tweet to @SWRadiogram, and I
will let them know you are tuned in. USEast NBEMS Net: Please also note the USEast NBEMS Net, Thursdays 0000 UTC (Wednesdays 7 pm EST) on 3536 kHz USB.

Merkouris in Greece decoded these artistically fuzzy images, and
100% of the text in all modes, 7 November 2020, 1330-1400 UTC, 15770 kHz
from WRMI Florida …

Fuente: Shortwave Radiogram, 13-15 November 2020: Digital modes that linger longer after landfall

Categorías:Broadcasting

Etiquetas:Digital Modes, Frecuencias, MSFK64, Onda Corta, Shortwave, SW, SWL