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Was ist Software Defined Radio (SDR)?

...für den Anfang mal die Definition von Wikipedia zu SDR-

Hardware

Software

rtl_sdr

...

Installation (mit udev-Regel):

$ git clone git://git.osmocom.org/rtl-sdr.git
...
$ apt-get update
$ apt-get install cmake libusb-1.0-0-dev
...
$ cd rtl-sdr
$ mkdir build
$ cd build
$ cmake ../ -DINSTALL_UDEV_RULES=ON
...
$ make
$ sudo make install
$ sudo ldconfig

Test mit rtl_test:

$ rtl_test

Found 1 device(s):
  0:  NOXON, DAB Stick, SN: 0

Using device 0: Terratec NOXON DAB/DAB+ USB dongle (rev 1)
Found Fitipower FC0013 tuner
Supported gain values (23): -9.9 -7.3 -6.5 -6.3 -6.0 -5.8 -5.4 5.8 6.1 6.3 6.5 6.7 6.8 7.0 7.1 17.9 18.1 18.2 18.4 18.6 18.8 19.1 19.7 
Sampling at 2048000 S/s.

Info: This tool will continuously read from the device, and report if
samples get lost. If you observe no further output, everything is fine.

Reading samples in async mode...

Test mit rtl_sdr:

$ rtl_sdr /tmp/capture.bin -s 1800000 -f 392000000

Found 1 device(s):
  0:  NOXON, DAB Stick, SN: 0

Using device 0: Terratec NOXON DAB/DAB+ USB dongle (rev 1)
Found Fitipower FC0013 tuner
Sampling at 1800000 S/s.
Tuned to 392000000 Hz.
Tuner gain set to automatic.
Reading samples in async mode...

Informationsquellen

• http://sdr.osmocom.org/trac/wiki/rtl-sdr
• http://superkuh.com/rtlsdr.html
• https://www.ccc-mannheim.de/wiki/DVB-T_Stick_als_SDR-Receiver
• http://floatblog.de/699/gnu-radio-und-rtl-sdr-sticks
• http://wiki.yobi.be/wiki/RTL-SDR
• http://donny.de/index.php/interessen/technik/funk/gnu-radio/59-installation-von-gnu-radio-unter-ubuntu
• http://donny.de/index.php/interessen/technik/funk/gnu-radio/61-ein-einfacher-radioempfaenger-mit-dem-gnu-radio-companion

Kontakt

Uwe