VOA Radiogram for the weekend of 6 and 7 April 2013 will
feature MT63 modes, comparing them to MFSK modes at similar speeds.
Here’s the menu, showing mode, center audio frequency, and
duration (minutes:seconds):
MFSK16, 750 Hz,
1:56
MT63-500, 750 Hz,
2:14
MFSK32, 1000 Hz,
2:12
MT63-1000, 1000
Hz, 2:47
MFSK64, 1500 Hz,
1:44
MT63-2000, 1500
Hz, 2:12
MT63-2000, 1500
Hz, 3:20 (Flmsg formatted)
MFSK32, 1500 Hz,
1:20 (image)
The MT63 modes are long interleave. In Fldigi, Configure
> Modems > MT63 > check 64-bit (long) interleave.
To view the Flmsg transmission as a web page, in Fldigi,
Configure > Misc > NBEMS > under Reception of Flmsg files, check Open
with Flmsg and Open in browser, and below that indicate where your Flmsg file
is located.
See VOA Radiogram: how to decode the modes.
Here is the VOA Radiogram transmission schedule:
(All days and times UTC)
Sat 1600-1630 17860 kHz
Sun 0230-0300 5745 kHz
Sun 1300-1330 6095 kHz
Sun 1930-2000 15670 kHz
All via the IBB Edward R. Murrow transmitting station in
North Carolina.
Reception reports with, if possible, audio samples,
screenshots, and other attachments, would be appreciated.
E-mail to
radiogram@voanews.com
Twitter: @voaradiogram
