Our “hidden message” last week in the PSK125R mode was not as successful as the BPSK63F two weeks previously. Because the PSK125R is a wider mode, I had to put it as low as possible to prevent it from being audible. This put the lower part of the PSK125R right up against the carrier, and too low for many receivers to process. This week our hidden message will be in QPSK63, a narrower mode, centered on 65 Hz. It begins 21 seconds after the closing MFSK32 ends (29:06 into the half hour broadcast), mixed with the closing music. There is an RSID but, as usual, it probably won’t work. To my ear, at least, the QPSK63 is inaudible.
This weekend’s show is in the usual MFSK32 and MFSK64, with ten MFSK images, And the silent QPSK63 at the end.
Here is the lineup for Shortwave Radiogram, program 114, 22-25 August 2019, in modes as noted:
1:37 MFSK32: Program preview
2:40 Indian spacecraft enters lunar orbit*
7:33 MFSK64: Data rate increase for the ISS
10:53 This week’s images*
27:56 MFSK32: Closing announcements
29:06 QPSK63 “hidden message” at 65 Hz
* with image(s)
Please send reception reports to email@example.com
The Mighty KBC transmits to North America Sundays at 0000-0200 UTC (Saturday 8-10 pm EDT) on 9925 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/ andhttps://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 Florida, Thursday 0100-0200 UTC on 5850 kHz, and Thursday 0130-0200 UTC on 9395 kHz (these are Wednesday evening in the Americas). Also look for a waterfall ID at the beginning of the show. email@example.com . www.instagram.com/thisisamusicshow/ www.twitter.com/ThisIsAMusicSho/ or @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 1200 UTC on 3584 kHz USB, and the Pennsylvania NBEMS net Sunday at 1200 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 (PA NBEMS is experimenting with Thor 50×1 for messages). 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 firstname.lastname@example.org , or tweet to @SWRadiogram , and I will let them know you are tuned in. USEast NBEMS Net: Please also note the USEast NBEMS Net, Wednesdays at 2300 UTC (7 pm EDT) on 3536 kHz USB. I will try to check in to this net more frequently.