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“CHIAVETTE SDR”
Seconda Parte
Software & Applicazioni & Idee
Andrea Borgnino IW0HK
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• SDR#
• HDSDR
• SDR RADIO 2.0
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Sdr Touch: Android SDR
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Sdr Touch: Android SDR
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Eartoearoak’s rtl-sdr scanner
create a heatmap of signal strengths
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Triangulation of a VHF signal
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Triangulation of a VHF signal
• RTL-SDR TV dongle(http://sdr.osmocom.org/trac/wiki/rtl-sdr)
• GPS receiver (NMEA or GPSdcompatible)
• rtlsdr-scanner(http://eartoearoak.com/software/rtlsdr-scanner)
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Ads-B minimale
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ADS-B Android on USB SDR RTL
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On-off keying
modulation
• mportant signal parameters that one should
write down:
• bit rate – duration of a single ‘bit’ – 380us
• preamble length – 24 bits (1010101….)
• radio ‘silence’ length – 9 bits (funny number, I
know, but there is more funny numbers to
come..)
• bit sequence – sequence of dits and dashes…
• interval between emitted frames – 105 ms
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Tiangong-1
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Un beacon a 2232.15 MHz
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Scanner
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Banda FM
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Short Range Devices (SRD)
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Tv Sharp
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Dab Player
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Dab Player
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Sdr-J DAB
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Wavesink Plus DAB/FM/DRM+
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Meteor N2
Low Resolution Picture Transmission (LRPT)
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Digital Speech Decoder Plus DSD+
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Digital Speech Decoder Plus
(DSD+)
• D-STAR
• NXDN4800
• NXDN9600
• DMR/MotoTRBO
• P25 Phase 1
• X2-TDMA
• ProVoice