Архив за 25.10.2019

LimeSDR and raw i/q data.

What's the best way or software to record the entire bandwidth for analysis in a program like Matlab. Does anyone know what Gqxr can export it as?

submitted by /u/sgtdumbass
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Need raw IQ data for 0-2MHz

Hi everyone,

I'm working on an AM radio project using a LimeSDR. Unfortunately I don't have AM reception in my area and was wondering if anyone can take a recording of 0-2MHz in raw IQ format? That way I can load that into GNU radio and process the data. Thanks!

P.s. It would be great if the recording contains English-speaking stations as it will make it easier for me identify individual stations.

submitted by /u/amrbekhit
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Can’t Compile JMBE for SDRTrunk

SDRTrunk works fine with my sdr but everytime i try to compile jmbe (local ems uses p25 p1) i get an error saying it cant determine java version from 13.0.1 so i tried 11.0.1 and same error anyone else run into this?

submitted by /u/3manycars
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Добрый день.У меня есть RTL-SDR v3, и мне нужно включить питание на LNA- программно. Я пытался сделать, как описано на r…

Antonin1953 пишет:
Добрый день.У меня есть RTL-SDR v3, и мне нужно включить питание на LNA- программно. Я пытался сделать, как описано на rtl-sdr.com- без успеха Заранее благодарю за информацию. С уважением, Антон
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Широкополосный приёмник из DVB донгла - Страница #578

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ivanovgoga Наверно разраб решил использовать OpenGL. У SDRAngel такой же прикол с OpenGL: в винде очень тяжело идет, хот…

Ruiz_Av пишет:
ivanovgoga Наверно разраб решил использовать OpenGL. У SDRAngel такой же прикол с OpenGL: в винде очень тяжело идет, хотя проц не нагружен абсолютно. Ребята видно полностью отказались от возможности и...
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Широкополосный приёмник из DVB донгла - Страница #578

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Comment on Tutorial: Setting up a Low Cost QRP (FT8, JT9, WSPR etc) Monitoring Station with an RTL-SDR V3 and Raspberry Pi 3 by Ira Fuchs

OK, I had to upgrade to Raspbian Buster which has set me back a bit. Now when I issue the rtl_sdr command, I get:

Using device 0: Generic RTL2832U OEM
Detached kernel driver
Found Rafael Micro R820T tuner
Enabled direct sampling mode, input 2
Enabled direct sampling mode, input 2/Q.
Sampling at 1200000 S/s.
Tuned to 14100000 Hz.
Tuner gain set to automatic.
Reading samples in async mode…
Allocating 15 zero-copy buffers
Signal caught, exiting!
Signal caught, exiting!
Short write, samples lost, exiting!

User cancel, exiting…
Reattached kernel driver

Any help would be appreciated.

Hey what’s this for? Belar SCM-2 SCA Modulation Monitor

submitted by /u/_QUAKE_
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I’m wanting to know, can I get a Snapshot of ALL frequencies within a range to show interference?

I'd like to do a Frequency scan, but with it taking a picture showing the Waterfall of a range of Frequencies. is that possible to do?

submitted by /u/deanec64
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Comment on Buy RTL-SDR Dongles (RTL2832U) by auadis

Excuse me, one information please…
If my package is lost, can I request a refund?
I’m from Italy.
Thank you.

Comment on Using our new Dipole Antenna Kit by Adam Cumberlege

I m trying to interface a late model SDR to a 9db hi-gain external aerial. The down feed is RG6.
My problem is: I cannot find a suitable connector.
It appears to me a miniature SMA connection but searches for SMA-RG6 always bring up the large SMA connector. I can’t even make suitable mix- and match designs so I am stuck. Please advise. Thanks

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