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Software defined radio (SDR)
0001 Jun 1
One minute read

Software defined radio (SDR)

Software

Mac OS X

brew cask install cubicsdr
brew install librtlsdr
brew cask install gqrx

rtl-power

rtl_power -f 50M:2.2G:250k -e 4h log2.csv

https://github.com/dhogborg/rtl-gopow
gopow -i ~/Downloads/log.csv

kalibrate-rtl

http://tools.kali.org/wireless-attacks/kalibrate-rtl
kal -s GSM900
kal -c 25
average absolute error: 21.412 ppm

Tutorials

GNU Radio Tutorial Series

https://www.youtube.com/playlist?list=PL618122BD66C8B3C4
https://github.com/balint256/gr-baz/tree/master/samples/tutorial
http://files.ettus.com/tutorials/

Iridium

https://media.ccc.de/v/31c3_-_6236_-_en_-_saal_1_-_201412281645_-_iridium_pager_hacking_-_sec_-_schneider

Community

http://www.reddit.com/r/RTLSDR/
http://www.hamradioscience.com/
http://sdr.osmocom.org/trac/wiki/rtl-sdr

Hardware

RTL2832

Elonics e4000

Terratec Cinergy T Stick+   USB VID:PID: 0CCD:00D7
e4000 covers approximately 52-2200 MHz(2.2 GHz) with a gap around 1100 MHz.  60MHz to 1700MHz
ID 0bda:2838 Realtek Semiconductor Corp. RTL2838UHIDIR  Serial: 00000001

Using device 0: Generic RTL2832U OEM
Found Rafael Micro R820T tuner
Supported gain values (29): 0.0 0.9 1.4 2.7 3.7 7.7 8.7 12.5 14.4 15.7 16.6 19.7 20.7 22.9 25.4 28.0 29.7 32.8 33.8 36.4 37.2 38.6 40.2 42.1 43.4 43.9 44.5 48.0 49.6


ID 0ccd:00d7 0ccd RTL2838UHIDIR  Serial: 00000001

Terratec T Stick PLUS
Found Elonics E4000 tuner
Supported gain values (14): -1.0 1.5 4.0 6.5 9.0 11.5 14.0 16.5 19.0 21.5 24.0 29.0 34.0 42.0
Sampling at 2048000 S/s.

Antenna

http://tinkersoc.org/2013/01/software-defined-radio/

Noise reduction

http://sdrformariners.blogspot.ru/2013/09/reducing-electrical-noise.html

Frequencies

L-Band

http://www.uhf-satcom.com/lband/
https://en.wikipedia.org/wiki/L_band

117 947 197 hz - avia


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