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DIREWOLF(1) General Commands Manual DIREWOLF(1) NAME direwolf - Soundcard TNC for packet radio. SYNOPSIS direwolf [ options ] [ - | udp:9999 ] The first audio channel can be streamed thru stdin or a UDP port. This is typically used with an SDR receiver. DESCRIPTION direwolf is a software "soundcard" modem/TNC and APRS encoder/decoder. It can be used stand-alone to receive APRS messages, as a digipeater, APRStt gateway, or Internet Gateway (IGate). It can also be used as a virtual TNC for other applications such as APRSIS32, UI-View32, Xastir, APRS-TW, YAAC, UISS, Linux AX25, SARTrack, RMS Express, and many oth- ers. OPTIONS -c file Read configuration file from specified location rather than the default locations. -l logdir Generate daily log files in specified directory. Use "." for current directory. -L logfile Generate single log file with fixed name. -r n Audio sample rate per second for first channel. Default 44100. -n n Number of audio channels for first device. 1 or 2. Default 1. -b n Audio sample size for first channel. 8 or 16. Default 16. -B n Data rate in bits/sec for first channel. Standard values are 300, 1200, 2400, 4800, 9600. 300 bps defaults to AFSK tones of 1600 & 1800. 1200 bps uses AFSK tones of 1200 & 2200. 2400 bps uses QPSK based on V.26 standard. 4800 bps uses 8PSK based on V.27 standard. 9600 bps and up uses K9NG/G3RUH standard. AIS for ship Automatic Identification System. EAS for Emergency Alert System (EAS) Specific Area Mes- sage Encoding (SAME). -g Force G3RUH modem regardless of data rate. -j 2400 bps QPSK compatible with Dire Wolf <= 1.5. -J 2400 bps QPSK compatible with MFJ-2400. -D n Divide audio sample by n for first channel. -X n 1 to enable FX.25 transmit. 16, 32, 64 for specific number of check bytes. -I n Enable IL2P transmit. n=1 is recommended. 0 uses weaker FEC. -i n Enable IL2P transmit, inverted polarity. n=1 is recommended. 0 uses weaker FEC. -d x Debug options. Specify one or more of the following in place of x. a = AGWPE network protocol client. k = KISS serial port client. n = Network KISS client. u = Display non-ASCII text in hexadecimal. p = Packet dump in hexadecimal. g = GPS interface. W = Waypoints for position or object reports. t = Tracker beacon. o = Output controls such as PTT and DCD. i = IGate h = Hamlib verbose level. Repeat for more. m = Monitor heard station list. f = Packet filtering. x = FX.25 increase verbose level. d = APRStt (DTMF to APRS object conversion). -q x Quiet (suppress output). Specify one or more of the following in place of x. h = Heard line with the audio level. d = Decoding of APRS packets. x = Silence FX.25 information. -t n Text colors. 0=disabled. 1=default. 2,3,4,... alternatives. Use 9 to test compatibility with your terminal. -p Enable pseudo terminal for KISS protocol. -x Send Xmit level calibration tones. a = Alternating mark/space tones. m = steady Mark tone (e.g. 1200 Hz) s = steady Space tone (e.g. 2200 Hz) p = selence (set Ptt only). Optionally add a number to specify radio channel. -u Print UTF-8 test string and exit. -S Print Symbol tables and exit. -a n Report audio device statistics each n seconds. -T fmt Time stamp format for sent and received frames. -e ber Receive Bit Error Rate (BER), e.g. 1e-5 EXAMPLES gqrx (2.3 and later) has the ability to send streaming audio through a UDP socket to another application for further processing. direwolf can listen over a UDP port with options like this: direwolf -n 1 -r 48000 -b 16 udp:7355 Other SDR applications might produce audio on stdout so it is conve- nient to pipe into the next application. In this example, the final "-" means read from stdin. rtl_fm -f 144.39M -o 4 - | direwolf -n 1 -r 24000 -b 16 - SEE ALSO More detailed information is in the pdf files in /usr/lo- cal/share/doc/direwolf, or possibly /usr/share/doc/direwolf, depending on installation location. Applications in this package: aclients, atest, cm108, decode_aprs, di- rewolf, gen_packets, kissutil, ll2utm, log2gpx, text2tt, tt2text, utm2ll DIREWOLF(1)
NAME | SYNOPSIS | DESCRIPTION | OPTIONS | EXAMPLES | SEE ALSO
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