source: ntrip/trunk/ntripclient/README@ 484

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1----------------------------------------------------------------------
2 NTRIP Client for POSIX systems
3----------------------------------------------------------------------
4
5Easy example NTRIP client for POSIX systems.
6Copyright (C) 2003-2007 by Dirk Stoecker <soft@dstoecker.de>
7
8This program is free software; you can redistribute it and/or modify
9it under the terms of the GNU General Public License as published by
10the Free Software Foundation; either version 2 of the License, or
11(at your option) any later version.
12
13This program is distributed in the hope that it will be useful,
14but WITHOUT ANY WARRANTY; without even the implied warranty of
15MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16GNU General Public License for more details.
17
18You should have received a copy of the GNU General Public License
19along with this program; if not, write to the Free Software
20Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21or read http://www.gnu.org/licenses/gpl.txt
22
23Files in ntripclient.tgz
24-----------------------------
25ntripclient.c: Ntrip POSIX client source code
26README: Dokumentation
27startntripclient: Shell script to start client
28makefile: Easy makefile to build source
29
30Ntrip
31-----
32The ntripclient is an HTTP client based on 'Networked Transport
33of RTCM via Internet Protocol' (Ntrip). This is an application-level
34protocol streaming Global Navigation Satellite System (GNSS) data over
35the Internet. Ntrip is a generic, stateless protocol based on the
36Hypertext Transfer Protocol HTTP/1.1. The HTTP objects are enhanced
37to GNSS data streams.
38
39Ntrip is designed for disseminating differential correction data
40(e.g in the RTCM-104 format) or other kinds of GNSS streaming data to
41stationary or mobile users over the Internet, allowing simultaneous PC,
42Laptop, PDA, or receiver connections to a broadcasting host. Ntrip
43supports Wireless Internet access through Mobile IP Networks like GSM,
44GPRS, EDGE, or UMTS.
45
46Ntrip is implemented in three system software components: NtripClients,
47NtripServers and NtripCasters. The NtripCaster is the actual HTTP
48server program whereas NtripClient and NtripServer are acting as HTTP
49clients.
50
51ntripclient
52-----------
53This POSIX Ntrip client program is written under GNU General Public
54License in C programming language. The program reads data from an Ntrip
55Broadcaster and writes on standard output for further redirection
56of data to a file or COM-port. PLEASE NOTE THAT THIS PROGRAM VERSION
57DOES NOT HANDLE POTENTIALLY OCCURRING INTERRUPTIONS OF COMMUNICATION
58OR NETWORK CONGESTION SITUATIONS. Its distribution may stimulate
59those intending to write their own client program.
60
61Call the program with following arguments:
62
63ntripclient -d mountpoint
64 -s Ntrip Broadcaster IP adress
65 -p password
66 -r Ntrip Broadcaster Port number
67 -u username
68 -n NMEA string for sending to server
69 -b output bitrate
70
71or using an URL:
72./ntripclient ntrip:mountpoint[/username[:password]][@server[:port]][;nmea]
73
74
75The argument '-h' will cause a HELP on the screen.
76Without any argument ntripclient will provide the a table of
77available resources (source table).
78
79Compilation/Installation
80------------------------
81Please extract the archive and copy its contents into an appropriate
82directory. Compile the source code under POSIX systems by calling 'make'.
83
84Registration
85------------
86Some of the data streams (mountpoints) from an NtripCaster may be
87available for test, demonstration, and evaluation purposes and
88accessible without authentication/authorization. For accessing other
89data streams (mountpoints) the user needs a user-ID and a
90user password. Authorization can be provided for a single stream,
91for a group of streams (network) or for all available streams.
92Currently, registration can be requested via the registration form
93on http://igs.ifag.de/ntrip/ntrip_register.htm.
94
95Ntrip Broadaster Address and Port
96---------------------------------
97The current Internet address of the Ntrip Broadcaster is
98www.euref-ip.net. The port number is 80.
99
100Disclaimer
101----------
102Note that this ntripclient program is for experimental use
103only. The BKG disclaims any liability nor responsibility to any
104person or entity with respect to any loss or damage caused, or alleged
105to be caused, directly or indirectly by the use and application of the
106Ntrip technology.
107
108Further Information
109-------------------
110http://igs.ifag.de/index_ntrip.htm
111euref-ip@bkg.bund.de
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