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List of 177 public KiwiSDR servers, 0-30 MHz

List of 177 public KiwiSDR servers, 0-30 MHz submitted by /u/Throwaway23234334793
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Troubleshooting Help • Re: questions regarding dvb-t+dab+fm (fc0012) Dongle

rtlsdrblog wrote:
Sat Dec 09, 2017 10:14 am
The photos still aren't working, apparently your photobucket account doesn't allow for hotlinking. Just upload the images directly to the board, or on imgur.com.
Went with Imgur now, since dropbox and photobucket have failed. ;)
If you look at the second photo. Is there a capacitor/resistor i can solder a wire to?

Like i said, i have seen many modification pictures online, but havent seen my board yet. I now do know that the FC0012 is not a favorite tuner. The dongle came for 8 euros shipped on Deal Extreme. I thought it would be better to have dongle that already starts at 22mhz instead of 54mhz. i am mainly interested in the range of 0Mhz to 500Mhz, so i think a permanent direct sampling mod would be a good solution.

After a few tests, with a simple FM antenna and also a CB antenna i must say that even FM radio is not getting good coverage. Considering that a cheap fm radio with a small flimsy telescopic antenna can perform much better.. Noise level is also pretty high.

Another question:
If one use a ham it up converter, do the tuning frequencies shift as well? lets say i wanted to listen to the 80m band at 3,5mhz, do i have to tune it 100mhz higher on the SDR to get that frequency?

Statistics: Posted by mike-linux-nl — Sat Dec 09, 2017 2:12 pm


Comment on SDRplay Release the RSP1A: A $99 14-bit 1 kHz to 2 GHz Revision of the RSP1 by Tech Guy

That.

– OR –

Burn that pile of MSI*** tuners and jump to the new era of high performance tuners that do not need band-aids.

Комментарий к записи RTL-SDR: первое включение (admin)

install-rtlsdr.bat запускали? свисток в диспетчере устройств видно?

Комментарий к записи RTL-SDR: первое включение (Иван)

Вроди все правильно сделал жму на Play пишет No device selected.

UB3ZEU к «Инструкция по настройке SDR# и DSD+ с помощью плагина DSD Interface.»

Ответ к 250 комментарию.

Не у всех радиостанций есть GPS-передатчик. Но у некоторых станций также не отключена передача таких данных. Плюс есть еще кое-какие параметры, которыми обмениваются станции.

Troubleshooting Help • Re: questions regarding dvb-t+dab+fm (fc0012) Dongle

The photos still aren't working, apparently your photobucket account doesn't allow for hotlinking. Just upload the images directly to the board, or on imgur.com.

Anyway direct sampling is easy to do IF you're good at soldering. Newer versions of the basic R820T dongles which are more common than the less desired FC0012 now all mostly come with break out holes for the direct sampling Q-branch. If there are no holes on your PCB then you're stuck with trying to solder tiny wires to the pins directly. Some notes here https://www.rtl-sdr.com/rtl-sdr-direct-sampling-mode/.

How much did you pay for the FC0012? I can't imagine Japan being cheaper than buying directly from China, unless you are living there? Note that the RTL-SDR V3 dongle already has direct sampling built into it for $20, so that might have been a better deal. Disclaimer: We manufacture and sell the V3.

The frequency range written on the dongle is probably the official range. But in SDR mode it's possible to push the tuner to the limits and extend the range, so that's probably the advertised range. You should be able to get the larger advertised range.

Statistics: Posted by rtlsdrblog — Sat Dec 09, 2017 10:14 am


RTL-SDR Discussion • Re: Before / After comparison?

That's just the rolloff of the bandwidth that you're seeing. Look in the setting for a crop factor setting, and put it up to 20-30%. Should solve those banding issues.
Longo wrote:
Thu Dec 07, 2017 3:10 pm
Thanks both! After much pains to install qspectrumanalyser dependancies on OSX, it does seem to do a pretty good job of plotting a frequency range average. Very nice tool :)

Image

However this repetitive patten i'm seeing across the frequency range is a bit of a worry. Is my device broken? Or perhaps i need a different antenna? Or maybe there's some very strong signals coming in that overpower it? Hm.

The downside to this tool however is that I can not collect the data for the averages plotted, in order to subtract two runs with devices turned on/off. So i'll try out the more manual rtl_power now :)

Statistics: Posted by rtlsdrblog — Sat Dec 09, 2017 10:05 am


Comment on The BIG List of RTL-SDR Supported Software by Tea Leaf

They decompiled SDR#, since it is a JIT compiled language, totally ignored the licensing and then created a new GUI – not really new at all.

Когда надоело слушать…



Когда надоело слушать
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