Rtlsdr presentation by alex 1/3/2014

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  • Here are some links to things I didn't talk about:

    QUISK: http://james.ahlstrom.name/quisk/
    Simulink-RTL-SDR: http://www.cel.kit.edu/simulink_rtl_sdr.php and https://github.com/kit-cel/simulink-rtl-sdr
    ShinySDR: https://github.com/kpreid/shinysdr
    Linrad: http://www.sm5bsz.com/linuxdsp/linrad.htm
    Android App “ADS-B on USB SDR RTL”: https://play.google.com/store/apps/details?id=com.wilsonae.android.usbserial

    And some resources for getting started:

    http://rtlsdr.org/start
    http://www.reddit.com/r/RTLSDR/wiki/index
    http://www.rtl-sdr.com/
    http://www.kb9ukd.com/digital/
    http://sdr.osmocom.org/trac/wiki/rtl-sdr

    Also, take a look at the Notes for each slide... that's where I tend to put actual info.

    -Alex
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  • … and SDR in general.
    by Alex Page
  • - Linux driver developers discovered it … freq range (about 20MHz-2GHz), etc.
    - typical cost $10-20
    - maybe brief comparison to HackRF, FUNcube, USRP, etc.
  • GNU Radio (and Companion)
    Good instructions for getting started with GRC can be found at http://gnuradio.org/redmine/projects/gnuradio/wiki/GNURadioCompanion and http://www.csun.edu/~skatz/katzpage/sdr_project/sdrproject.html
    Multimode
  • Made for Windows, but OK in Linux.
    See http://pastebin.com/tgYwRBQt and/or
    http://rtlsdr.org/softwarelinux for build instructions.
  • Not just for WFM radio
    other apps too (e.g. Wavesink)
  • rtl_fm example: rtl_fm -f 98.9e6 -W - | aplay -r 32k -f S16_LE
  • - voice: FM, HAM/ISS, scanner, etc.
    - my key fob, maybe garage doors, possible $3 transmitter project, see http://www.burningimage.net/rke/
    - restaurant/other pagers, RF-controlled signs (e.g. bus/train sked), weather sensors, etc.
    - need for better antennas + adapters... esp. for astronomy
    Image sources:
    http://adamsblog.aperturelabs.com/2013/03/you-can-ring-my-bell-adventures-in-sub.html
    http://www.britastro.org/radio/projects/Low_Cost_H_Line_Telescope.pdf
    http://rishi-patel.blogspot.co.nz/2013/10/summary-of-horn-antenna-project.html
  • - planes (dump1090+gmaps demo?) + ships (AIS)
    - weather satellites/balloons, other voice/data weather sources
    - security: leaked data signals, GSM, TPMS, etc.
    - GPS receiver? Spectrum analyzer?
    Image sources:
    https://www.cgran.org/wiki/gr-air-modes
    http://sdrformariners.blogspot.co.nz/p/weather-satellites-software.html
    http://www.rtl-sdr.com/rtl-sdr-tutorial-analyzing-gsm-with-airprobe-and-wireshark/
    http://www.multilateration.com/images/stories/mlat/ADS-B-and-MLAT.jpg
  • DEF CON 21: Melissa Elliott https://www.youtube.com/watch?v=5N1C3WB8c0o (LCD, microphone, keyboard, signature pad in a checkout aisle, …) and NYC E-ZPass http://www.forbes.com/sites/kashmirhill/2013/09/12/e-zpasses-get-read-all-over-new-york-not-just-at-toll-booths/ (no RTLSDR, but could use one. other RFID/NFC apps?)
    ToorCon 15: TPMS https://www.youtube.com/watch?v=bKqiq2Y43Wg
    Blackhat 2010: GSM cracking https://www.youtube.com/watch?v=0hjn-BP8nro doesn't use RTL-SDR, because it's newer than that
  • Pros/cons: cheap/cheap, everything in software / everything in software, wide range / not 2.4GHz, etc. Con: no xmit…Pro: educational prequel to USRP
    “Cheap”: {use a different one for every project, use several at once for scanning, etc.} vs. {poor default antenna, low sample rate, etc.}
    Image source: http://www.pstracks.com/pauls-posts/double-edged-sword/6517/
  • http://doge.noodlytime.com/create-doge.php
  • Rtlsdr presentation by alex 1/3/2014

    1. 1. The Realtek RTL2832U, a.k.a.: RTLSDR
    2. 2. What is RTLSDR?
    3. 3. Software: GNU Radio Companion
    4. 4. Software: Gqrx
    5. 5. Software: SDR#
    6. 6. Android Software: SDR Touch
    7. 7. CLI Software
    8. 8. Projects
    9. 9. More Projects
    10. 10. Recent-ish Talks
    11. 11. Conclusions
    12. 12. Questions?

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