readsb - Mode-S aircraft data processor for various receiver hardware.

       Michael Wolf

                                                12 December 2019                                       readsb(1)

       Report bugs to Michael Wolf <michael@mictronics.de>.

       •  ENABLE_RTLSDR

       •  ENABLE_BLADERF

       Matthias Wirth aka wiedehopf Taner Halicioglu aka tanerH

d      Log frames decoded with errors

       D      Log frames decoded with zero errors

       c      Log frames with bad CRC

       C      Log frames with good CRC

       p      Log frames with bad preamble

       n      Log network debugging info

       j      Log frames to frames.js, loadable by debug.html

readsbMode-SReceiver

       readsb - Mode-S aircraft data processor for various receiver hardware.

--dcfilter
              Apply a 1Hz DC filter to input data (requires more CPU)

       --enable-biastee
              Enable bias tee on supporting interfaces (default: disabled)

       --debug=<flags>
              Debug mode (verbose), see flags below

       --device-type=<type>
              Select SDR type

       --fix  Enable CRC single-bit error correction (default)

       --forward-mlat
              Allow forwarding of received mlat results to output ports

       --freq=<hz>
              Set frequency (default: 1090 MHz)

       --gain=<db>
              Set gain (default: max gain. Use -10 for auto-gain)

       --gnss Show altitudes as GNSS when available

       --interactive
              Interactive mode refreshing data on screen.  Implies --throttle--interactive-ttl=<sec>
              Remove from list if idle for <sec> (default: 60)

       --json-location-accuracy=<n>
              Accuracy of receiver location in json metadata:

              0      no location

              1      approximate

              2      exact

       --lat=<lat>
              Reference/receiver surface latitude

       --lon=<lon>
              Reference/receiver surface longitude

       --max-range=<dist>
              Absolute maximum range for position decoding (in nm, default: 300)

       --metric
              Use metric units

       --mlat Display raw messages in Beast ASCII mode

       --modeac
              Enable decoding of SSR Modes 3/A & 3/C

       --no-crc-check
              Disable messages with invalid CRC (discouraged)

       --no-fix
              Disable CRC single-bit error correction

       --no-interactive
              Disable interactive mode, print to stdout

       --no-modeac-auto
              Don't enable Mode A/C if requested by a Beast connection

       --onlyaddr
              Show only ICAO addresses

       --quiet
              Disable output. Use for daemon applications

       --raw  Show only messages hex values

       --show-only=<addr>
              Show only messages by given ICAO on stdout

       --snip=<level>
              Strip IQ file removing samples < level

       --stats
              With --ifile print stats at exit. No other output

       --stats-every=<sec>
              Show and reset stats every <sec> seconds

       --stats-range
              Collect/show range histogram

       --write-json=<dir>
              Periodically write json output to <dir> (for external webserver)

       --write-json-every=<t>
              Write json output every t seconds (default 1)

   NETWORKOPTIONS--net  Enable networking

       --net-bi-port=<ports>
              TCP Beast input listen ports (default: 30004,30104)

       --net-vrs-port=<ports>
              TCP VRS json output listen ports (default: 0)

       --net-beast-reduce-out-port=<ports>
              TCP BeastReduce output listen ports (default: 0)

       --net-beast-reduce-interval=<seconds>
              BeastReduce position update interval, longer means less data (default: 0.125, valid range: 0.000 -
              14.999)

       --net-bind-address=<ip>
              IP address to bind to (default: Any; Use 127.0.0.1 for private)

       --net-bo-port=<ports>
              TCP Beast output listen ports (default: 30005)

       --net-buffer=<n>
              TCP buffer size 64Kb * (2^n) (default: n=0, 64Kb)

       --net-heartbeat=<rate>
              TCP heartbeat rate in seconds (default: 60 sec, 0 to disable)

       --net-only
              Enable just networking, no RTL device or file used

       --net-connector=<ip,port,protocol>
              Establish  connection,  can  be  specified  multiple  times  (example:  127.0.0.1,23004,beast_out)
              Protocols: beast_out, beast_in, raw_out, raw_in, sbs_out, vrs_out.

       --net-connector-delay=<seconds>
              Outbound re-connection delay (default: 30)

       --net-ri-port=<ports>
              TCP raw input listen ports  (default: 30001)

       --net-ro-interval=<rate>
              TCP output memory flush rate in seconds (default: 0)

       --net-ro-port=<ports>
              TCP raw output listen ports (default: 30002)

       --net-ro-size=<size>
              TCP output minimum size (default: 0)

       --net-sbs-port=<ports>
              TCP BaseStation output listen ports (default: 30003)

       --net-verbatim
              Forward messages unchanged

   RTLSDROPTIONSusewith--device-typertlsdr--device=<index|serial>
              Select device by index or serial number

       --enable-agc
              Enable digital AGC (not tuner AGC!)

       --ppm=<correction>
              Set oscillator frequency correction in PPM

   BLADERFOPTIONSusewith--device-typebladerf--bladerf-bandwidth=<hz>
              Set LPF bandwidth ('bypass' to bypass the LPF)

       --bladerf-decimation=<N>
              Assume FPGA decimates by a factor of N

       --bladerf-fpga=<path>
              Use alternative FPGA bitstream ('' to disable FPGA load)

       --device=<ident>
              Select device by bladeRF 'device identifier'

   MODESBEASTOPTIONSusewith--device-typemodesbeast

       Beast binary protocol and hardware handshake are always enabled.

       --beast-crc-off
              Turn OFF CRC checking

       --beast-df045-on
              Turn ON DF0/4/5 filter

       --beast-df1117-on
              Turn ON DF11/17-only filter

       --beast-fec-off
              Turn OFF forward error correction

       --beast-mlat-off
              Turn OFF MLAT time stamps

       --beast-modeac
              Turn ON mode A/C

       --beast-serial=<path>
              Path to Beast serial device (default /dev/ttyUSB0)

   ADALM-PlutoOPTIONSusewith--device-typeplutosdr

       Default device expected at hostname 'pluto.local'.

       --pluto-uri=<USBURI>
              Create USB context from URI (eg. usb:1.2.5)

       --pluto-network=<hostnameorIP>
              Create network context from hostname or IP (default pluto.local)

   IFILEOPTIONSusewith--ifile--ifile=<path>
              Read samples from given file ('-' for stdin)

       --iformat=<type>
              Set sample format (UC8, SC16, SC16Q11)

       --throttle
              Process samples at the original capture speed

   HELPOPTIONS-?,--help
              Give this help list

       --usage
              Give a short usage message

       -V,--version
              Print program version

readsb[OPTION...]

       v3.8.1