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[Linrad] Question about 1 stereo audio and Diversity Map65 packet transmission
- Subject: [Linrad] Question about 1 stereo audio and Diversity Map65 packet transmission
- From: jeff millar <gmail.com; wa1hco@xxxxxxxxxxxxxxxx>
- Date: Sat, 30 May 2009 15:33:48 -0400
I'm currently running Linrad with a Delta-44 and using to feed packets
to MAP65. But I only have one downconverter and one polarization. So
far, I've configured it to put the same audio into both IQ inputs, and
linrad displays 45 degrees.
But I want to go the June VHF contest with a smaller PC an a USB sound
card. Can I use a single USB sound card and still configure linrad for
2 x 2 IQ channels? What happens with the undefined inputs? It seems to
_start_ to work on my desktop PC because Map65 reports the right Rx
audio level and 0% error. But after a minute, it reports "No Rx Data".
I'm currently testing with Linrad 2.56 and Map65 r1257 both running on
my Linux box.
Thomas D. Dean wrote:
> I slowed things way down. It sort of works.
> M_CIC2 
> M_CIC5 
> M_RCF 
> OL_RCF 
> Sampl. clk adjust 
> Att 
> Inp.sel 
> Check 
> 1st FFT BW 12
> sine 2
> rest defaults
> If I click in the waterfall area then press X, after several seconds, I
> get the change parameter screen. Pressing X again returns me to the
> main menu and things seem sort of normal.
> The response to the keyboard or mouse is VERY slow! The CPU usage is
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