The Saturday 0930-1000 broadcast of VOA Radiogram returns to 5745 kHz as of this weekend (4 April).Fldigi is a sound-card digital radio program for Linux, Mac, and Windows. Last week’s test of the 8PSK FEC modes was interesting. In general, the 8PSK FEC modes did not perform as well as well as the MFSK modes. However, Richard in New Brunswick and I, using a receiver in Nova Scotia, had 100% copy of all the modes, including 8PSKR250F at 635 wpm! This mode might be useful for high-speed data transmission, including formatted web pages, over distances of 1500 km or less, especially when propagation is stable. This weekend we will do one more test of 8PSK125F. This will actually be two transmissions, one without the pilot tone, and one with the pilot tone. You do not need to make any adjustments to detect the pilot tone, other than to have the Fldigi RxID on (green). “The RsID signal will both determine the mode and the mode center frequency (to the nearest 2.6 Hz).
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Here is the lineup for VOA Radiogram, program 105, 4-5 April 2015, all in MFSK32 except where indicated …Ģ:46 Russia Denies License to Tatar-Language TV*Ĩ:53 8PSK125F: Tatar-language TV channels off airġ0:03 8PSK125F (with pilot tone): Same storyġ1:08 MFSK32 resumes: Cyberattack targets GitHub*ġ6:39 Google and Chinese website certificates*Ģ1:18 Cuba will increase Internet access* A finer resolution of the mode center frequency can be made using the optional pilot carrier,” according to the Fldigi Users Manual. Please send reception reports to Radiogram transmission scheduleĪll via the Edward R. Murrow transmitting station in North Carolina.
The Mighty KBC will transmit a minute of MFSK64 Sunday at 0130 UTC (Saturday at 9:30 pm EDT) on 7375 kHz (via Germany). This is part of the expanded KBC transmission UTC Sundays at 0000-0300 UTC on 7375 kHz. The Saturday transmission of The Mighty KBC on 6095 kHz is discontinued. WRMI, Radio Miami International, 9955 kHz, will transmit IDs in digital modes again this weekend. You might not hear these transmissions, or even see a trace of the digital modes on your waterfall, but you might still successfully decode the text.
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If you have an Android tablet or phone, a new beta release (B0.5.0) of AndFlmsg is now available at. This new version can decode MFSK images and has other improvements. The text can then be pasted into an email app for example.) (AndFlmsg B0.5.0 does not have the 8PSK125F mode.) (This tip from the developer: On the modem screen, to copy and paste part of the decoded text, simply stop the modem with the Modem On/Off button, then long-press on the received text to show the select/copy tool. VOA Radiogram, 28-29 March 2015, will try the new 8PSK FEC modesįor this weekend’s VOA Radiogram, 28-29 March 2015, please download Fldigi 3.22.06 from.
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It is likely that decoding errors will be seen as the modes increase in This weekend’s program (program 104) will transmit the same 724-word news story about social media in Africa in five different modes,Įach increasing in speed, until MFSK32 resumes to close the show …Ģ7:33 MFSK32: Bonus image of solar eclipse The rigors of shortwave, despite their fast speed.įldigi 3.22.06 also restores the ability to display UTF-8 characters,Īlthough this weekend’s program contains no non-Latin characters or The FEC built into 8PSK125F and 8PSK250F might help these modes survive #Fldigi for android download#
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