Comments
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@jks why are the values negative, instead of starting at 0? If I wanted the values to start at 0, is there a certain constant I should add?
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@Christoph I'm looking at the code for the block and also at the ITU article linked from your blog, and the modulation index/depth seems to be computed as just the ratio of the square-rooted sideband and carrier powers. Normally, modulation index i…
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I have. All I really want is the kiwi_wav_source block and nothing else. I ran with the command cmake -DENABLE_KIWI_WS_CLIENT=OFF ../, but it still fails saying it needs at least boost version 1.48. I saw from a previous comment that pulling from…
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I'm trying to install boost but the sources out there are confusing me. What's the simplest way to install boost on Windows?
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@jks yes we are looking to use a programming language, ideally python. I also have been checking out the read_kiwi_iq_wav.cc which seems like it could be helpful. The most important question is will the wav file have the data we need? Does it onl…
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@jks this is very helpful! When you say "S-meter values by definition are always the total power of the bandwidth-limited signal," what does this mean? Is it like the average power of the entire passband (basically the integral of the sp…
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@jks thanks! How can I change the passband though? Also, can you explain how the RSSI values are obtained in LSB mode? I want to compare the signal strength of the carrier to the signal strength of the sideband. Right now my method is to simply…
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What is the use of the SAM detector? Could this be used for this purpose?
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Will there potentially be a way to monitor this directly with kiwirecorder?
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@jks I see, thanks!
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@Christoph The exact command is python3 kiwirecorder.py -k 30 -s bonaire.twrmon.net -p 8073 -f 800 -m am --tlimit 60 -d 'RESULTS' --hp-cutoff=5000 --s-meter=0 --sdt-sec=60 --ts --snd --fn=filename And no, kiwi\client.py is correct @WA2ZKD
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I see, that makes sense. The --help option seems to indicate otherwise.
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@jks the S-meter option says it reports the s-meter value after S_METER # of averages. It says that it takes about 6 samples per second, so if I want to report 1 value per minute, I would guess that I should do S-meter=360 (60 seconds * 6 samples/s…
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I am wondering the same thing. I want to somehow measure the AM Modulation Index but I'm not quite sure how I could do that with the tools above. @WA2ZKD