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Frequency correction error limits too small
Hi, yes this is the standard RTL-SDR dongle without TCXO and indeed their LO variation can be pretty large and maybe I was lucky when estimating the necessary range. It is no issue to enlarge range in
Hi, yes this is the standard RTL-SDR dongle without TCXO and indeed their LO variation can be pretty large and maybe I was lucky when estimating the necessary range. It is no issue to enlarge range in
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By
Edouard Griffiths
· #1650
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Bad Decode of DMR
#sdrplay
Hello Ronen, I have no issues decoding DMR with appropriate settings and with an AMBE key the sound quality is on par with a hardware handheld transceiver. If you don't want to spend time reading the
Hello Ronen, I have no issues decoding DMR with appropriate settings and with an AMBE key the sound quality is on par with a hardware handheld transceiver. If you don't want to spend time reading the
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By
Edouard Griffiths
· #1649
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Bad Decode of DMR
#sdrplay
Hi, sound quality is pretty much subjective. Firstly you should get yourself one of these AMBE dongles. The DVSI hardware decoder has much better sound quality than the default mbelib software decoder
Hi, sound quality is pretty much subjective. Firstly you should get yourself one of these AMBE dongles. The DVSI hardware decoder has much better sound quality than the default mbelib software decoder
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By
Edouard Griffiths
· #1646
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Frequency correction error limits too small
Hi, the needed PPM range highly depends on the hardware. Which SDR are you using? Brgds, Edouard.
Hi, the needed PPM range highly depends on the hardware. Which SDR are you using? Brgds, Edouard.
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By
Edouard Griffiths
· #1645
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Puzzled with Adalm Pluto Frequnecy offset.
Hello, this is typical of a stock Pluto on which the configuration change to let it think it has an AD9364 instead of an AD9363 has not been done yet. See this: https://wiki.analog.com/university/tool
Hello, this is typical of a stock Pluto on which the configuration change to let it think it has an AD9364 instead of an AD9363 has not been done yet. See this: https://wiki.analog.com/university/tool
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By
Edouard Griffiths
· #1636
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Docker-Compose Question
Hi Andrew, firstly, a little bit of knowledge about networks is necessary. 127.0.0.1 is the address of the loopback device and is not accessible outside the host. You should use the RPi IP address on
Hi Andrew, firstly, a little bit of knowledge about networks is necessary. 127.0.0.1 is the address of the loopback device and is not accessible outside the host. You should use the RPi IP address on
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By
Edouard Griffiths
· #1634
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Latest libbladerf/bladerf from git and gain contril
Hello, yes there is now a new official release: https://github.com/Nuand/bladeRF/releases/tag/2021.02 I can look into upgrading to it. Brgds, Edouard.
Hello, yes there is now a new official release: https://github.com/Nuand/bladeRF/releases/tag/2021.02 I can look into upgrading to it. Brgds, Edouard.
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By
Edouard Griffiths
· #1630
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Docker-Compose Question
Hello Andrew, yes your architecture is right. I routinely use it with remote receivers on RPi4 and RPi3B+ that way. I find the avahi error strange. Normally ou would not need avahi that is used for di
Hello Andrew, yes your architecture is right. I routinely use it with remote receivers on RPi4 and RPi3B+ that way. I find the avahi error strange. Normally ou would not need avahi that is used for di
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By
Edouard Griffiths
· #1625
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Edited
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General app / SDR / radio questions
Hello, I think from your question and the one on the other post that you first need introduction to DSP and also basic radio elements like LNA, VGA, mixers, filters... Brgds, Edouard.
Hello, I think from your question and the one on the other post that you first need introduction to DSP and also basic radio elements like LNA, VGA, mixers, filters... Brgds, Edouard.
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By
Edouard Griffiths
· #1616
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Latest libbladerf/bladerf from git and gain contril
I looked at BladeRF library releases and 2019.07 is still the latest official release.
I looked at BladeRF library releases and 2019.07 is still the latest official release.
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By
Edouard Griffiths
· #1609
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Latest libbladerf/bladerf from git and gain contril
Hi, a first thing to notice is that the issue mentioned is unrelated because this was fixed a long time ago already. The old code appears commented: https://github.com/f4exb/sdrangel/blob/master/devic
Hi, a first thing to notice is that the issue mentioned is unrelated because this was fixed a long time ago already. The old code appears commented: https://github.com/f4exb/sdrangel/blob/master/devic
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By
Edouard Griffiths
· #1608
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SDRangelcli can't connect to SDRangel instance outside the OS
Hello, this is a very basic network question. Apparently you leave the address where SDRangel listens to default which is localhost a.k.a. 127.0.0.1. As the name implies "localhost" is "local" it mean
Hello, this is a very basic network question. Apparently you leave the address where SDRangel listens to default which is localhost a.k.a. 127.0.0.1. As the name implies "localhost" is "local" it mean
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By
Edouard Griffiths
· #1598
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Edited
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HF+ Discovery sampling rates in SDRAngel
#github
Hello, this is because SDR# does software decimation without telling you... 228 = 456 / 2 128 = 256 / 2 114 = 456 / 4 48 = 192 / 4 32 = 128 / 4 28.5 = 456 / 16 24 = 192 / 8 16 = 128 /8 14.25 = 456 / 3
Hello, this is because SDR# does software decimation without telling you... 228 = 456 / 2 128 = 256 / 2 114 = 456 / 4 48 = 192 / 4 32 = 128 / 4 28.5 = 456 / 16 24 = 192 / 8 16 = 128 /8 14.25 = 456 / 3
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By
Edouard Griffiths
· #1595
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SDRAngel HACKRF ONE DSTAR ??? Possible
Hello, there are no Tx plugins for FM digital voice transmission but there are these two issues opened in that sense: - https://github.com/f4exb/sdrangel/issues/730 - https://github.com/f4exb/dsdcc/is
Hello, there are no Tx plugins for FM digital voice transmission but there are these two issues opened in that sense: - https://github.com/f4exb/sdrangel/issues/730 - https://github.com/f4exb/dsdcc/is
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By
Edouard Griffiths
· #1585
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File Sink Plugin: Cannot Record
#LimeSDR
#ubuntu
#windows
You have to provide a file name Brgds, Edouard.
You have to provide a file name Brgds, Edouard.
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By
Edouard Griffiths
· #1581
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SDRAngel on Windows 10 with Ettus USRP B210 not detected.
Hi Victor, Sounds great but you do not tell us what are the settings on SDRangel and the corresponding observed values vs expected. Brgds, Edouard. PS: you should also mention how you generate the car
Hi Victor, Sounds great but you do not tell us what are the settings on SDRangel and the corresponding observed values vs expected. Brgds, Edouard. PS: you should also mention how you generate the car
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By
Edouard Griffiths
· #1566
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Edited
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Guide for remote operation running sdrangel on both sides with plutosdr
Hello, firstly there is a server variant for SDRangel that would work better than the version with GUI on a small device like the Raspberry Pi. Note that you need an arm64 version i.e. 3B+ or 4. There
Hello, firstly there is a server variant for SDRangel that would work better than the version with GUI on a small device like the Raspberry Pi. Note that you need an arm64 version i.e. 3B+ or 4. There
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By
Edouard Griffiths
· #1561
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Edited
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#install
#install
Hello, do not address the question to me because I do not have a Mac and do not provide any kind of Mac OS support. However Mac users are welcome to help you if they can. Brgds, Edouard.
Hello, do not address the question to me because I do not have a Mac and do not provide any kind of Mac OS support. However Mac users are welcome to help you if they can. Brgds, Edouard.
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By
Edouard Griffiths
· #1556
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Pluto sounds line a stuttering Mickey Mouse
#osx
#plutosdr
Hello, I don't think Pluto has anything to do with this. It looks like an audio configuration issue. Brgds, Edouard.
Hello, I don't think Pluto has anything to do with this. It looks like an audio configuration issue. Brgds, Edouard.
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By
Edouard Griffiths
· #1550
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No waterfall on Windows
Hello, the just released v4.21.0 has Qt ANGLE libraries support and are probably worth trying. Brgds, Edouard.
Hello, the just released v4.21.0 has Qt ANGLE libraries support and are probably worth trying. Brgds, Edouard.
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By
Edouard Griffiths
· #1538
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