Архив за 18.08.2017

Comment on ADALM-PLUTO SDR Hack: Tune 70 MHz to 6 GHz and GQRX Install by medevacs

See https://github.com/gnuradio/pybombs/issues/453

Eismeer к «Модифицированный плагин записи из комплекта SDRSharp.»

Василий, подскажите пожалуйста Ваш стандарт записи I/Q потока (в какой бит, что писать и что в заголовке). Пытаюсь реализовать в GRC многоканальную запись I/Q каналов, но столкнулся с тем что четкого стандарта записи I/Q нет, а подходит мне тот, что реализован в Recoder.

Comment on ADALM-PLUTO SDR Hack: Tune 70 MHz to 6 GHz and GQRX Install by Beer It

When it says “streams up to 4MSPS with no dropped samples”, by omission of detail would imply that it is 4 MSPS combined TX and RX.

Comment on ADALM-PLUTO SDR Hack: Tune 70 MHz to 6 GHz and GQRX Install by Manawyrm

One (relativly hard) limit is the maximum speed of the USB gadget mode of the linux kernel. It doesn’t want to do more than 20 MByte/s, whatever I try to do with it.

Digital modes while using rtl-sdr?

Can I decode ham digital modes while using rtl-sdr? Would it be a plugin for SDR#?

submitted by /u/AmericanInRome
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Comment on ADALM-PLUTO SDR Hack: Tune 70 MHz to 6 GHz and GQRX Install by Tiersten

They’re using a single core version of the Zynq chip for cost reasons. It has slightly more LEs than the dual core version though.

Program similar to VAB on linux.

I have asked this on some many different sub reddit's and forums. Im looking for a program to pipe audio from GQRX into WXtoIMG to decode NOAA satellites but for Linux. Tried using JACK but could figure out a way and there is no user manual.

submitted by /u/Tech2025_
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Comment on ADALM-PLUTO SDR: Unboxing and Initial Testing by Gérald

I’ve just received mine, and surprisingly the sticker at the back (where should be S/N, PCB rev., MAC…) is missing! So i don’t know if it’s a rev. A, B or even C.

Curious about a type of radio signal

I was screwing around with a web SDR and was browsing around for any unusual broadcasts. I found several morse code stations, a few unusual data transmissions and even a couple numbers stations, but I was particularly curious about this kind of signal, of which I found numerous:

https://soundcloud.com/richard-goldsworthy/6812-61khz-usb

Can anyone explain to me what type of signal this is, where they come from, what they're for, what they mean, etc.?

submitted by /u/LOLZpersonok
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Comment on ARM Radio: A Cheap SDR built out of an ARM Processor and not much more by Walter

Hello Raul,

late answer, but anyway. Yes, I made the same experience. It is exactly this mixture making problems. It only works with the old 2015 versions STM32F4xx_DFP 2.4.0, Middleware and CMSIS 4.3.0. Unfortunately file stm32_hal_legacy.h is missing in 2.4.0. The legacy file must be version 1.3.0.

Walter

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