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Author Topic: $20 USB Dongle SDR Receiver  (Read 180746 times)
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leosedf
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« Reply #50 on: January 04, 2013, 01:29:16 13:29 »

Thank's for the reply. It was 2048 and i lowered it to 1024. Still the same.
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Magnox
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« Reply #51 on: January 04, 2013, 03:18:22 15:18 »

Then I don't know, sorry. I'm not very experienced with the software and haven't seen that issue. My only remaining guess, if it's not network-related, would be if the listening PC is powerful enough to decode the stream. I would be very surprised though if it really took much power.
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leosedf
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« Reply #52 on: January 15, 2013, 01:58:12 13:58 »

http://v2.sdr-radio.com/
Check this out guys.
Amazing interface, it has to be the best out there and compatible with RTL dongles, i am using it via LAN and it works perfect.
Still a preview version but fully functional, i have no idea if it will be licenced at later times.
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carpi
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« Reply #53 on: January 15, 2013, 04:46:36 16:46 »

sdr radio free license for rtl dongle, for commercial sdr receivers you have to pay.
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ta3as
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« Reply #54 on: January 16, 2013, 12:44:12 12:44 »

USB Dongles can decode ADS-B signals. (You can track airplane activity)
There are two alternatives now:
1- http://rtl1090.web99.de/
2- http://sdrsharp.com/index.php/a-simple-and-cheap-ads-b-receiver-using-rtl-sdr
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tanveerriaz
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« Reply #55 on: May 08, 2013, 05:54:37 17:54 »

i have a problem  install Zadig winusb driver install ok but when i run sdrsharp it say
"RTL-SDR/USB either not connected or its driver is not working properly"
i use winxpsp2
and Cinergy t-stick+ dongles.
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borberk
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« Reply #56 on: May 08, 2013, 07:37:48 19:37 »

Have you edited file SDRSharp.exe.config and corrected it?

original line
<!-- <add key="RTL-SDR / USB" value="SDRSharp.RTLSDR.RtlSdrIO,SDRSharp.RTLSDR" /> -->
corrected line
       <add key="RTL-SDR / USB" value="SDRSharp.RTLSDR.RtlSdrIO,SDRSharp.RTLSDR" />
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tanveerriaz
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« Reply #57 on: May 10, 2013, 12:23:16 12:23 »

after fewtime restart pc . dongles working with sdrsharp .
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ta3as
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« Reply #58 on: May 17, 2013, 08:43:58 20:43 »

after fewtime restart pc . dongles working with sdrsharp .

Hi,
You can install SDR# via small bat file without problem.
You can downlad at : http://sdrsharp.com/downloads/sdr-install.zip
You don't need the edit config file as @borberk described above if you are installing via this bat file.
Regards,

TA3AS
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dead_chess
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« Reply #59 on: May 19, 2013, 08:16:04 20:16 »

very interesting topic, can someone suggest me a device easy to found in europe ?
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Magnox
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« Reply #60 on: May 19, 2013, 08:46:59 20:46 »

Cosycave still sell them:

https://www.cosycave.co.uk/product.php?id_product=220
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millegps
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« Reply #61 on: June 28, 2013, 08:56:50 20:56 »

I'd like to share with you this blog http://www.rtl-sdr.com/ which is always up to date

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tanveerriaz
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« Reply #62 on: July 20, 2013, 05:01:11 05:01 »

analog tv with dongle
http://sdrts.amoti.ru/download/view.download/4/8
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millegps
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« Reply #63 on: July 23, 2013, 10:23:57 22:23 »

Thank you, here in Italy we switched to DVB-T, so I can't check, but I read bandwidth is not enough to decode audio and video colours, but B/W image is still acceptable, right?
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pickit2
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« Reply #64 on: July 23, 2013, 10:47:40 22:47 »

Thank you, here in Italy we switched to DVB-T, so I can't check, but I read bandwidth is not enough to decode audio and video colours, but B/W image is still acceptable, right?
No not true..
its sold as a DVB-T usb (TV dongle) so with a good signal it is as good as your TV.
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borberk
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« Reply #65 on: July 24, 2013, 06:03:51 06:03 »

In Italy there is no analog TV anymore so analog reception is not possible. This is valid through all Europe. Russia where this software origin is different case.
« Last Edit: July 24, 2013, 06:06:47 06:06 by borberk » Logged
pickit2
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« Reply #66 on: July 24, 2013, 09:00:57 09:00 »

In Italy there is no analog TV anymore so analog reception is not possible. This is valid through all Europe. Russia where this software origin is different case.
DTV-T = digital television terrestrial
not analog

the USB Dongle SDR Receiver is the endall for lots of radio traffic with hacks
the control software changes the range to what your interested in.

for example I want 20-30Mhz for future project.
« Last Edit: July 24, 2013, 09:03:50 09:03 by pickit2 » Logged

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Magnox
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« Reply #67 on: September 04, 2014, 07:47:42 07:47 »

Looks like October 2014's EPE magazine has a project based around these ideas... might take a look at that.
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2N5109
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« Reply #68 on: September 16, 2014, 04:23:10 04:23 »

These dongles are great to play with and they come with a short antenna for UHF.   But to get the most out of them at HF you need an upconverter because they dont tune below 64 MHz.  The DSP is great for Morse and digital HF modes which are used from 2-30 MHz.  Do a search on sdr upconverter and get one on ebay, it will convert DC-100MHz up to 100-200MHz with filtering.  I also have to use an external antenna with mine. 

--2N5109
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bobcat1
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« Reply #69 on: September 21, 2014, 07:29:12 07:29 »

@Magnox

EPE would have done a better job if they isolate the USB interface that way they decrease the noise level produce by the PC and injected via the PSU to the dongle

Bobi
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ta3as
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« Reply #70 on: October 13, 2014, 07:53:11 19:53 »

These dongles are great to play with and they come with a short antenna for UHF.   But to get the most out of them at HF you need an upconverter because they dont tune below 64 MHz.  The DSP is great for Morse and digital HF modes which are used from 2-30 MHz.  Do a search on sdr upconverter and get one on ebay, it will convert DC-100MHz up to 100-200MHz with filtering.  I also have to use an external antenna with mine. 

--2N5109

Now it can tune to 13 Mhz without any hardware mod or an up converter.
There is an experimental driver for the R820T receivers which extends the tunable range down to around 13 and up to 1864 MHz (previously 24 – 1766 MHz).
Please have a look:
https://github.com/mutability/rtl-sdr/
BTW, some people are reporting that they have been able to receive signals down to around 4 MHz.

Regards,

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cncbasher
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« Reply #71 on: October 14, 2014, 04:06:32 16:06 »

Looks like October 2014's EPE magazine has a project based around these ideas... might take a look at that.
any links iam also interested in building one , as opposed to buying one , as i need it as an additional module to
intergrate to an existing project as i'm looking at direction finding and the possibility of using one of these in a programable
frequency range .

 
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