NAME

       rtl_tcp - an I/Q spectrum server for RTL2832 based DVB-T receivers

DESCRIPTION

       Uses  a  re-purposed  DVB-T  receiver  as  a  software defined radio to receive and send I/Q data via TCP
       network to another demodulation, decoding or logging apllication. Written for and incorporated  into  the
       osmocom rtl-sdr project.

       Much software is available for the RTL2832. Most of the user-level packages rely on the librtlsdr library
       which comes as part of the rtl-sdr codebase. This codebase contains both the library itself  and  also  a
       number of command line tools such as rtl_test, rtl_sdr, rtl_tcp, and rtl_fm. These command line tools use
       the library to test for the existence of RTL2832 devices and to perform basic data transfer functions  to
       and from the device.

       Because  most of the RTL2832 devices are connected using USB, the librtlsdr library depends on the libusb
       library to communicate with the device.

USAGE

       Run this program on a machine with an rtl-sdr supported device connected and it will provide I/Q data  to
       other applications via TCP/IP.

SYNOPSIS

       rtl_tcp [OPTIONS]

OPTIONS

       -a listen address

       -p listen port (default: 1234)

       -f frequency to tune to [Hz]

       -g gain (default: 0 for auto)

       -s samplerate in Hz (default: 2048000 Hz)

       -b number of buffers (default: 32, set by library)

       -n max number of linked list buffers to keep (default: 500)

       -d device_index (default: 0)

       -P ppm_error (default: 0)

Example:

       rtl_tcp -a 10.0.0.2 [-p listen port (default: 1234)]
               Found 1 device(s).
               Found Elonics E4000 tuner
               Using Generic RTL2832U (e.g. hama nano)
               Tuned to 100000000 Hz.
               listening...

       Use  the device argument 'rtl_tcp=10.0.0.2:1234' in OsmoSDR (gr-osmosdr) source to receive samples in GRC
       and control rtl_tcp parameters (frequency, gain, ...).

       use the rtl_tcp=... device argument in gr-osmosdr source to receive the samples in GRC  and  control  the
       rtl settings remotely.

       This application has been successfully crosscompiled for ARM and MIPS devices and is providing IQ data in
       a networked ADS-B setup at a rate of 2.4MSps. The gr-osmosdr  source  is  being  used  together  with  an
       optimized gr-air-modes version (see Known Apps below). It is also available as a package in OpenWRT.

       A use case is described ​https://sites.google.com/site/embrtlsdr/

SEE ALSO

       gnuradio(1)

       RTL-SDR wiki documentation: http://sdr.osmocom.org/trac/wiki/rtl-sdr

       Other rtl-sdr programs:

       rtl_adsb(1), rtl_eeprom(1), rtl_fm(1), rtl_sdr(1), rtl_test(1)

AUTHOR

       This manual page was written by Maitland Bottoms for the Debian project (but may be used by others).

COPYRIGHT

       Copyright (c) 2013 A. Maitland Bottoms <bottoms@debian.org>

       This  program  is  free  software:  you  can  redistribute it and/or modify it under the terms of the GNU
       General Public License as published by the Free Software Foundation, either version 2 of the License,  or
       (at your option) any later version.

       This  program  is  distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even
       the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General  Public
       License for more details.