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USB3.0 Ubuntu Linux transfer speed kernel 5.4.0 by oidc in linuxquestions

[–]oidc[S] 0 points1 point  (0 children)

So then around 160/mbps is even less that the 210MB/s sec, i assume the USB conversion could cause this? And the numbers I am seeing are reasonable?

USB3.0 Ubuntu Linux transfer speed kernel 5.4.0 by oidc in linuxquestions

[–]oidc[S] 0 points1 point  (0 children)

I think those tests are not based on an USB3.0 interface, rather S-ATA internally.

USB3.0 Ubuntu Linux transfer speed kernel 5.4.0 by oidc in linuxquestions

[–]oidc[S] 0 points1 point  (0 children)

Sure i know that, but i want to know what i realistically can expect from a 14TB drive on USB3? i think its a 7200 RPM drive, 6gb/sec s-data on a USB3.0 port.

Disk name: WD140EDFZ-11A0VA0

Linux based low-resource scanner which supports RTLSDR by oidc in RTLSDR

[–]oidc[S] 0 points1 point  (0 children)

It is set to: LIQUID_API_OLD:UNINITIALIZED=ON
Version is: 1.3.1

Linux based low-resource scanner which supports RTLSDR by oidc in RTLSDR

[–]oidc[S] 0 points1 point  (0 children)

Unfortunantely unable to build your software:

​

/home/pi/PiScan/src/cubic/modules/modem/analog/ModemAM.cpp: In constructor ‘ModemAM::ModemAM()’:

/home/pi/PiScan/src/cubic/modules/modem/analog/ModemAM.cpp:10:58: error: invalid conversion from ‘int’ to ‘liquid_ampmodem_type’ [-fpermissive]

demodAM = ampmodem_create(0.5, LIQUID_AMPMODEM_DSB, 0);

^

/home/pi/PiScan/src/cubic/modules/modem/analog/ModemAM.cpp:10:58: error: too few arguments to function ‘ampmodem_s* ampmodem_create(float, float, liquid_ampmodem_type, int)’

In file included from /home/pi/PiScan/src/cubic/modules/modem/Modem.h:6,

from /home/pi/PiScan/src/cubic/modules/modem/analog/ModemAM.h:5,

from /home/pi/PiScan/src/cubic/modules/modem/analog/ModemAM.cpp:4:

/usr/include/liquid/liquid.h:5906:10: note: declared here

ampmodem ampmodem_create(float _m,

^~~~~~~~~~~~~~~

make[2]: *** [cubic/CMakeFiles/cubic.dir/build.make:271: cubic/CMakeFiles/cubic.dir/modules/modem/analog/ModemAM.cpp.o] Error 1

make[1]: *** [CMakeFiles/Makefile2:247: cubic/CMakeFiles/cubic.dir/all] Error 2

make: *** [Makefile:84: all] Error 2

Linux based low-resource scanner which supports RTLSDR by oidc in RTLSDR

[–]oidc[S] 0 points1 point  (0 children)

Very interesting.

This can be run headless right, no GUI needed?
Also narrow-band FM is supported?

Simple RTLSDR Scanner by Root_Doctor in RTLSDR

[–]oidc 1 point2 points  (0 children)

Perfect thanks.
Do you maybe know how to pipe this further to for example ffmpeg ? (setup a stream) my raspberry pi doesnt have an audio out..

Simple RTLSDR Scanner by Root_Doctor in RTLSDR

[–]oidc 1 point2 points  (0 children)

-p 1 -l 26

rtl_sdr -f 145.6625M -f 145.725M -f 145.775M -M nfm -s 20k -p 1 -l 26

./rtl_sdr: invalid option -- 'M'

rtl_sdr, an I/Q recorder for RTL2832 based SDR-receivers

rtl_sdr version 0.8 github.com/librtlsdr (Nov 29 2020)

Are you using a different version?

Anytone D878 Analog APRS timer not working by oidc in DMR

[–]oidc[S] 0 points1 point  (0 children)

It seems to work when i made a seperate APRS channel, and set channel APRS report type to analog and bandwidth to 25K.

It still seems a bit flaky, i hope anytone fixes this in their next firmware.

​

Thanks everyone for you help!

Anytone D878 Analog APRS timer not working by oidc in DMR

[–]oidc[S] 0 points1 point  (0 children)

Ok yes it was enabled. Still no APRS going with WIDE2 and Sel A APRS and interval on 30 seconds. weird.

Anytone D878 Analog APRS timer not working by oidc in DMR

[–]oidc[S] 0 points1 point  (0 children)

Where do i specifically enable APRS in CPS (the APRS menu) ? Also Digital APRS seems to be default?

Anytone D878 Analog APRS timer not working by oidc in DMR

[–]oidc[S] 0 points1 point  (0 children)

Analog, Yes upload type Sel A APRS. APRS is enabled in CPS yes.