The NASWA Winter SWL Fest will take place March 4 and 5, 2022. This annual meeting covers all aspects of the radio listening hobbies, on all frequencies. This year, again, it will be virtual, via Zoom, due to the pandemic. Information at swlfest.com.
Last week, we again experimented with multipath reception. I received the example below during the Friday 1300-1330 UTC broadcast, using an SDR in South Australia. Because the signal on 15770 kHz from WRMI Florida reached South Australia with about the same signal level short path (16000 km) versus long path (24000 km), very little text was decoded, including none of the MFSK image headers, I had to “graft” a good header from the studio recording. The result is a blue triangle provided to us by Roger in Germany. The short-path diamond is on the left, the long-path diamond on the right. This is because the lines in the image “paint” from left to right. The short-path and the long-path were received 26 milliseconds apart. The thicker blue segment in the middle is where the SP and LP overlapped.
Analysis of the image above is provided by Roger. Roger also received a dramatic multipath example during the Saturday 1330-1400 UTC broadcast, using an SDR in New Zealand.
Videos last weekend’s Shortwave Radiogram (program 240) are provided by Scott in Ontario (Friday 1300 UTC), Gábor én in Hungary (Friday 1300 UTC except: no decode but you can decode from his audio), and Frigid RF in Virginia (Sunday 2330 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 241, 28-30 January 2022, in MFSK modes as noted:
1:40 MFSK32: Program preview
3:27 MFSK32: Ancient ice reveals mysterious solar storm
7:11 MFSK64: Biden pushes domestic semiconductor manufacturing
11:42 MFSK64: This week’s images
28:26 MFSK32: Closing announcements
Please send reception reports to email@example.com
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 | 15750 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 | | Sunday | 1530-1600 UTC | 9955 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. Reports to Eric: firstname.lastname@example.org . See also http://www.kbcradio.eu/ and https://www.facebook.com/TheMightyKbc/.
“This is a Music Show” 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. email@example.com . www.twitter.com/ThisIsAMusicSho/ @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 MFSK32 text and an image. Schedule: Via Channel 292 in Germany: Wednesdays 1600-1630 UTC on 3955 and 6070 kHz. Saturdays 2200-2230 UTC on 3955 and 6070 kHz (except 6070 first Saturday of the month 2300-2330 UTC). Via WRMI Florida: Mondays 0200-0230 UTC (Sunday evening in the Americas) on 5950 kHz. Website: popshopradio.ca. Twitter: @popshopradio1 Email: firstname.lastname@example.org.
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 email@example.com , 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.
Thanks for your reception reports!
Kim Andrew Elliott, KD9XB
Producer and Presenter