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Raspberry pi software defined radio notes

Hardware

Setup

(Raspian) User: pi / Pass: raspberry

/etc/defaults/keyboard s/gb/us/

sudo cat /etc/wpa_supplicant/wpa_supplicant.conf
network={
ssid="SSID-GOES-HERE"
proto=RSN
key_mgmt=WPA-PSK
pairwise=CCMP TKIP
group=CCMP TKIP
psk="WIFI-PASSWORD-GOES-HERE"
}
sudo ifdown wlan0; sudo ifup wlan0

sudo apt-get update; sudo apt-get upgrade;

RTL SDR

sudo rmmod dvb_usb_rtl28xxu rtl2832 # disable HDTV active kernel mod (ref: https://groups.google.com/forum/#!msg/ultra-cheap-sdr/6_sSON94Azo/sOkhU81YINIJ)

Interesting:

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sudo ./dump1090 --interactive --net # note: http://localhost:8080

(see also: http://www.rtl-sdr.com/rtl-sdr-radio-scanner-tutorial-receiving-airplane-data-with-acars/)

Pocsag

Channels (KCMO):

  • 158.100 MHz
  • 454.350 MHz

sudo rtl_fm -s 22050 -f ###.####M - | multimon-ng -t raw -a POCSAG512 -a POCSAG1200 -a POCSAG2400 -f alpha /dev/stdin

APRS

Channel info:

  • 144.390 MHz

sudo rtl_fm -f 144.390M -s 22050 | multimon-ng -t raw -A -

Weather

RDS (RBDS, RDS-TMC, DARC)

SSTV

Other general wireless devices

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