studentkra
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I was glad to help!
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Maybe the FireFox console has some additional security settings that don't allow functions to run or something like that? Try to type just: export_waterfall(); And it seems to me that you have some other console)) Press F12 and chose "Console&q…
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I check in Firefox. It works ))) https://forum.kiwisdr.com/uploads/606/USABQ5RAG5AK.jpg
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Martin, I tested it on the original KiwiSDR and on the non-original. Everything works and I don't get any errors. I realized your mistake. Use the browser console (F12 or ctrl+shif+j) and not the ssh console.
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There is a function export_waterfall(). It records the waterfall in a jpg file. This function can be called periodically after a certain time. This way the waterfall will be saved automatically. For example setInterval(export_waterfall, 60000); will…
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Thanks, John. We always ready to give you new ideas. And I really hope that you will be able to implement them.
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As I understand it, sig-gen is an FPGA software tool. What if we try to use a free GPIO and generate a hardware PWM signal to test the ADC?
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Just add grim reaper to the black list and stop thinking about this!!!
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I will add a little to the theme of camping. Let's assume that KiwiSDR has masked frequencies with password access in the address bar. And there is an authorized user who is currently listening to this frequency. Then by connecting via the camping, …
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In addition to KiwiSDR, I have several other receivers with remote access. And these receivers work on VHF. The installation of this end plate with a physical SMA contact on the shield completely freed the VHF receivers from interference. And by the…
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Martin, thanks! Very interesting article!
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Hi. I found that KiwiSDR in such metal case emits interference at frequencies above 65 MHz. The culprit of the interference is the LMR10530Y pulse converter. But the main problem is that the SMA connector thread does not have physical contact with t…
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I also couldn't understand the properties of this "object" for a long time until I placed it inside <div></div>. After that, it is subject to any transformation.
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Its very easy! https://forum.kiwisdr.com/uploads/640/N2112QQPBE0P.jpg
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Try to change sizes of div, not object: <div style="width:800px; height:20px;position:relative;top:-15px"><object data="http://jimlill.com/sun.txt"></object></div>
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Martin, this is exactly what I was looking for. Thank you for experimenting with the power supply! In most of the ready-made modules, a 100kOhm resistor is installed on the MP1584, which sets the frequency of PWM operation. You can reduce its resist…
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After starting a new receiver on short waves, I received interference from a switching power supply. Partially they were reduced by a power filter in front of the 220 volt outlet. I'm thinking of using a 12 volt transformer power supply and a 5 volt…
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https://forum.kiwisdr.com/uploads/107/9LA8HY6EHOC6.jpg https://forum.kiwisdr.com/uploads/393/Q1BV99W3V5CR.jpg I have been using a small python script for one year. It analyzes log and writes all connections to a special file. A small adaptation is …
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Now I have tried the latest version of Mozilla Firefox on an Android phone. Everything works well. The sound does not stop even when the screen is turned off. Unfortunately, I don't have an iOS device to test this. UPD: No. I was wrong. After a whil…
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I don't like it very much either. But that's what mobile browser developers want. Well, I think a solution will be found.
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There is no solution. This is a problem with all mobile browsers. And not just kiwisdr. There is only one solution, output the audio stream to a separate application. But it's a lot of work!
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Geolocation is primarily determined on the client side. If this is not possible, then the ip address of the client is sent to the server and the geolocation is determined on the server side.
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Thanks, John. Great job! 👍️
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The entire kiwisdr program code is written so that the frequency scale starts at 0 kHz. This is especially true for the server side. The client part processes the sound and waterfall flow considering only the frequency offset that is specified in th…
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The thing is that kiwirecorder does not know about your frequency offset. It is for this purpose that the offset frequency was added to the address mykiwi.sdr:8073\status so that none-kiwi applications could determine this frequency. Set the frequen…
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If these are really bots and not real people, then this will not stop them. They will listen to masked frequencies and occupy free channels.
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That's right. DX labels are tied not to the frequency but to the beginning of the scale. I agree with you, it's very inconvenient!
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Oh sure. Javascript is completely executed on the client side and user can do whatever he wants with it. Fixing the software part of the server is very difficult for me! I only offered simple options for KiwiSDR owners. Perhaps @jks will use it to…
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I changed the javascript a little. Now the https://vpnapi.io/ service is used. This is a free service for determining VPN, proxy, etc. However, registration on https://vpnapi.io/ is required. After registration, you will receive a personal API key, …
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There are paid services that can very accurately determine whether an IP address belongs to TOR, Opera VPN and etc. There are free services for determining the privacy of IP addresses, however, as I have noticed, they are often wrong. You can use a …