jks

Along with the "--nb" option I just added, the latest kiwirecorder now has passband defaults for all the modulation modes. So if you say "--lsb" without specifying the passband with "-L/-H" it will use the same default passband as the Kiwi browser interface.

Along with the "--nb" option I just added, the latest kiwirecorder now has passband defaults for all the modulation modes. So if you say "--lsb" without specifying the passband with "-L/-H" it will use the same default passband as the Kiwi browser interface.

Currently the noise situation is terrible on that Kiwi. You've got a very bad case of Ethernet noise every 60 kHz in certain places (e.g. especially 20m). Also, there is a very loud carrier every 200+ kHz. Then there is a terrible switcher starting at 40 kHz with each harmonic getting successively wider in bandwidth. This is probably responsible for a lot of the broadband noise at HF.

All of this makes it difficult to judge what's going on.

Note that passbands are specified in a way that might not seem obvious for LSB reception. While you would say "-L 300 -H 3300" for a 3000 Hz wide USB passband the equivalent for LSB is "-L -3300 -H -300". The easiest way to understand this is to zoom in and mouse over the yellow passband graphic in the Kiwi UI and look at the values displayed for passband low, high, center frequency, bandwidth and carrier point as you mouse over different parts of the passband. The passband low/high points are always read left-to-right.

Of course the passband can be whatever you want. So you could have an asymmetrical AM passband where the low side was -5000 and high side 2500.

In fact it is a fiction to have the modes USB, LSB and CW. Internally to the Kiwi it is really only mode SSB with USB/LSB/CW defined only by the passband shape. For example, you can get DSB simply by setting a passband that resembles an AM passband while in any of the SSB modes.

Okay, I just did this on a Ubuntu 17.10 distro and it seemed to work:

sudo apt install python
python --version (confirms python 2.7, not 3.x, was installed)
sudo apt install python-numpy
sudo apt install git
git clone https://github.com/jks-prv/kiwiclient.git
cd kiwiclient
make help
(kiwirecorder.py help will print)
ping kiwi-ip-address (make sure Ubuntu can see your Kiwi)
^C (to stop ping)
export KIWI_HOST=kiwi-ip-address (for Bash, different for other shells)
make real (record a real mode [i.e. non-IQ] file)
^C (to stop recording)
ls -lt (recorded .wav file should be at top of list)

Look at the "Makefile" file to see examples of how kiwirecorder.py is invoked to do different things.