jks
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- jks
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Does your Kiwi have constant GPS reception? If not, it's possible the ADC XO has drifted due to temperature variation or something (uncompensated by the GPS) and is now producing an output sample rate that is triggering the bug in the python-sampler…
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Some VLF/LF measurements. -90 dBm signal from an hp 8657D. Stepped from 40 to 10 kHz. Click images for larger. KiwiSDR 1, unbalanced input, for reference. KiwiSDR 2, balanced input, MCL T1-1 transformer (current design). KiwiSDR 2, balanced input, M…
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RF attenuator in action. Signal generator set to -60 dBm. Attenuator set left to right: 0, -10, -20, -30 dBm as generator frequency stepped +1 kHz. Slight glitch in left waterfall trace is where attn was changed from -20 to -30 dBm before gen freque…
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Okay, I missed that about the PE4302. Well there no reason the serial and/or parallel interface can't be supported on Kiwi-1 via GPIO. It's just a software change. I only did it on Kiwi-2 via FPGA signals so as not to consume any additional GPIOs. T…
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Via the FPGA. But I use the 3-wire serial interface to the PE4312, not the 6-wire parallel interface. The PE4302 and HMC472 are older parts that only have the parallel interface. That's not to say that we couldn't have a parallel interface option fo…
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It's okay. A couple times a year I'll see a strange problem. Then start ripping the code apart looking for the bug. Only to remember sometime later that the browsers are not infallible. And sure enough, a browser restart will clear the issue.
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I used the Linux "grep" command on the dx.json file looking for "T15" which is how entries with a type of masked are encoded. That showed the two masked entries centered on 16 MHz. This made me realize it would be useful on the a…
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Well, please hold off on making backups on AI-64 using v1.628 The Beagle guys completely changed how the backup scripts work starting with Debian 11. I thought I had it working, but there are still some problems. BBG/BBB/BBAI should be fine. I espec…
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The new admin backup interface log will show the sd card write speed. On an AI-64 a 10.7 GB backup finished in 8 min using a 32 GB class 10 card (roughly 30 MB/s). On a BBG a 2.7 GB backup finished in 12.5 min using a 16 GB class 4 card (roughly 4 M…
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If you know how to open the ssh port 22 on your router, do that and email your public IP address or domain, Kiwi serial number (or Debian root password if you've set one) and Kiwi admin password to support@kiwisdr.com
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BBG, BBAI or BBAI-64?
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So I did find a bug (fixed in v1.627 release), but it involved the audio not the waterfall, which worked fine for me on the KPH Kiwi. I don't know if it's related, but you had two masked labels on the same 16 MHz frequency (different mask widths). S…
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I don't know Rob. It works fine for me. After the update you could email me the admin password (so I can add/delete the masked label) and I can give it a try. Screenshot below is a second connection showing how the masked segment is automatically ad…
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Hi. I just responded to your email a few minutes ago (it's 6:30 AM here in New Zealand, lol). I sent you an API key to enter in the proxy configuration panel. Follow the setup instructions linked on that page and let us know if it doesn't work for y…
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Try now. That IP was in the ban list for too many 404s over too short a time.
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Well, I don't know. I tried your dx.json file on multiple Kiwis. I tried saving and restoring in JSON and CSV formats. Everything always worked fine. The first entry with a day/time entry (3955 kHz) always showed that entry in the admin DX tab. We p…
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When you say "do not have any day/time info attached" how are you determining this? The day/time info doesn't appear in the admin DX tab user interface? (or user DX labels panel?) Or they don't exhibit the expected day/time behavior on the…
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And of course kiwirecorder has an option to disable audio compression. Same effect as the comp button on the audio tab of the web interface.
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No, ADPCM. Computationally inexpensive but lossy. I have no idea what the computational or latency issues of LZ77 would be. server side: github.com/jks-prv/Beagle_SDR_GPS/blob/master/rx/csdr/ima_adpcm.cpp client side: github.com/jks-prv/Beagle_SDR_G…
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Press y key multiple times to toggle visibility of top bar, band/label scale. x key to toggle control panel visibility. h or ? to see all keyboard shortcuts.
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Sure, I hear you. And this can be more properly addressed in the future when we can have a larger PCB to support changes like this. I have a long list of such changes and I'll make sure this is included.
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Well, it depends on what you mean. There aren't going to be any new physical connectors added. It's much too late for that and it violates the prime directive of getting back into production as quickly as possibly with the least amount of risk. But …
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I know it's been quiet recently. But you can't believe the amount of work going on behind the scenes. It's incredible. I had forgotten just how hard this process is. Even for a board that is mostly unchanged. The first 5 prototypes are due back from…
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When the additional noise blankers (and new noise filters) were added to the server kiwirecorder was never changed to use them. So --nb only ever used the standard noise blanker. But it turns out there is a bug with how kiwirecorder interacts with t…
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Is this BBG from an "old" Kiwi? One purchased in the 2016-2018 timeframe? There was a run of BBG's that had bad Ethernet PHY chips around that time. They had this ref clock problem but also sometimes shorted internally and self-destructed.…
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That's a question for the guy that runs the rx.linkfanel.net site (i.e. not us). His site traverses the public Kiwis and does the "external" SNR scores he reports on that page.
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Might be a realtime response issue with the DX label list. I assume you have a heavily customized list, possibly with many entries. Could you email the dx.json and dx.config.json files to support@kiwisdr.com so I can try to replicate the problem her…
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Power quality is the #2 source of problems with Kiwi installations. Go buy a 4A+ 5V SMPS and feed it to the Kiwi and Bodnar together. If the combination works then you know your assumption about your two supplies not having a ground loop (or some ot…
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What do you mean by "dynamic preset"?
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Okay, so a re-flash occurred and you've lost all the prior configuration data. Hopefully it was not too extensive. Or perhaps you have a backup on another SD card. There are a couple of ways to go from here. You can simply let the Kiwi update to the…