-The BKG Ntrip Client (BNC) is a program for simultaneously retrieving, decoding and converting real-time GNSS data streams from NTRIP broadcasters like http://www.euref-ip.net/home or http://www.igs-ip.net/home. +The BKG Ntrip Client (BNC) is a program for simultaneously retrieving, decoding and converting real-time GNSS data streams from NTRIP broadcasters like http://www.euref-ip.net/home or http://www.igs-ip.net/home or http://products.igs-ip.net/home.
@@ -24,5 +24,5 @@ 2. Modes & Resources
Figure: Flowchart, BNC connected to a GNSS receiver for Precise Point Positioning.
-
Figure: Flowchart, BNC converting RTCM streams to RINEX batches.
-
Figure: Flowchart, BNC feeding a real-time GNSS engine.
@@ -95,5 +95,5 @@ The main window of BNC shows a top menu bar section, a sections for tabs to set processing options, a 'Streams' section and a section for 'Log' tabs, and a bottom menu bar section, see figure below. -
Figure: Sections on BNC's main window.
@@ -177,5 +177,5 @@ 3.11.3.1 Sigma Code
Figure: BNC translating incoming streams to 15 min RINEX Version 3 files.
@@ -768,5 +768,5 @@ The following figure shows the screenshot of a BNC configuration where a number if streams is pulled from different NTRIP broadcasters to feed a GNSS engine via IP port output. -
Figure: Synchronized BNC output via IP port to feed a GNSS real-time engine.
@@ -807,5 +807,5 @@ -
Figure: BNC pulling a VRS stream to feed a serial connected rover.
@@ -955,5 +955,5 @@ The following figure shows RTCM message numbers contained in stream 'CONZ0' and the message latencies recorded every 10 seconds. -
Figure: RTCM message numbers and latencies.
@@ -1022,6 +1022,6 @@ BNC can derive coordinates for a rover position following the Precise Point Positioning (PPP) approach. It uses either code or code plus phase data in ionosphere free linear combinations P3 or L3. Besides pulling a stream of observations from a dual frequency receiver, this also requires pulling in addition
Figure: Precise Point Positioning (PPP) with BNC.
@@ -1162,7 +1162,7 @@ -3.11.3.2 Averaging - optional if 'Plot Origin' is set
-Enter the length of a sliding time window in minutes. BNC will continuously output moving average positions and their RMS as computed from those individual positions obtained most recently throughout this period. RMS values presented for XYZ coordinates are bias reduced while RMS values for Nort/East/Up (NEU) displacements are not. Averaged values for XYZ coordinates and their RMS are marked with string "AVE-XYZ" in BNC's log file and 'Log' section while averaged values for NEU displacements and their RMS are marked with string "AVE-NEU". Example: +
3.11.3.2 Averaging - optional if appropriate 'Origin' option is set
+Enter the length of a sliding time window in minutes. BNC will continuously output moving average positions and their RMS as computed from those individual positions obtained most recently throughout this period. RMS values presented for XYZ coordinates are bias reduced while RMS values for Nort/East/Up (NEU) displacements are not. Averaged values for XYZ coordinates and their RMS are marked with string "AVE-XYZ" in BNC's log file and 'Log' section while averaged values for NEU displacements and their RMS are marked with string "AVE-NEU". Example:
@@ -1174,16 +1174,21 @@ - --Select an origin for North/East/Up time series plots of derived coordinates in the 'PPP Plot' tab. Note that this makes only sense for a stationary receiver. Available options are -
-If option 'X Y Z' is selected, the 'PPP' line in BNC's logfile is extended to (example): +
++Select an origin for a North/East/Up displacements time series plot in the 'PPP Plot' section or for operating BNC in QuickStart mode starting at a known XYZ position. +
++QuickStart means that BNC operates for the period of 2 minuts in a mode where introduced reference coordinates are constrained. The PPP solution is expected to converge within this time span. +
+If option 'Plot - X Y Z' or 'QuickStart - Static' is selected, the 'PPP' line in BNC's logfile is extended to (example):
@@ -1283,5 +1288,5 @@-
+
Figure: Bandwidth consumption of incoming streams.
@@ -1293,15 +1298,15 @@-
+
Figure: Latency of incoming streams.
-Precise Point Positioning time series of North (red), East (green) and Up (blue) coordinate components are shown in the 'PPP Plot' tab when a 'Plot origin' option is defined. Values are either referred to reference coordinates (if specified) or referred to the first estimated set of coordinate components. The time as given in format [hh:mm] refers to GPS Time. The sliding PPP time series window covers a period of 5 minutes. Note that it may take up to 30 seconds or more till the first PPP solutions becomes available. The following figure shows the screenshot of a PPP time series plot of North, East and Up coordiate components. -
- --
-+Precise Point Positioning time series of North (red), East (green) and Up (blue) coordinate components are shown in the 'PPP Plot' tab when a 'Origin' option is defined. Values are either referred to reference coordinates (if specified) or referred to the first estimated set of coordinate components. The time as given in format [hh:mm] refers to GPS Time. The sliding PPP time series window covers a period of 5 minutes. Note that it may take up to 30 seconds or more till the first PPP solutions becomes available. The following figure shows the screenshot of a PPP time series plot of North, East and Up coordiate components. + + +
+
+
Figure: Time series plot of PPP session.
@@ -1311,5 +1316,5 @@ -+
Figure: Steam input communication links.
@@ -1322,5 +1327,5 @@
3.14.1.1 Caster Host and Port - mandatory
-Enter the NTRIP broadcaster host IP and port number. Note that EUREF and IGS operate NTRIP broadcasters at http://www.euref-ip.net/home and http://www.igs-ip.net/home. +Enter the NTRIP broadcaster host IP and port number. Note that EUREF and IGS operate NTRIP broadcasters at http://www.euref-ip.net/home and http://www.igs-ip.net/home and http://www.products.igs-ip.net/home.
@@ -1330,5 +1335,5 @@ -+
Figure: Casters table.
@@ -1336,5 +1341,5 @@
3.14.1.3 User and Password - mandatory for protected streams
-Some streams on NTRIP broadcasters may be restricted. Enter a valid 'User' ID and 'Password' for access to protected streams. Accounts are usually provided per NTRIP broadcaster through a registration procedure. Register through http://igs.bkg.bund.de/ntrip/registeruser for access to protected streams on www.euref-ip.net and www.igs-ip.net. +Some streams on NTRIP broadcasters may be restricted. Enter a valid 'User' ID and 'Password' for access to protected streams. Accounts are usually provided per NTRIP broadcaster through a registration procedure. Register through http://igs.bkg.bund.de/ntrip/registeruser for access to protected streams on www.euref-ip.net or www.igs-ip.net or products.igs-ip.net.
@@ -1351,5 +1356,5 @@ -+
Figure: Broadcaster source-table.
@@ -1446,5 +1451,5 @@ The following figure shows a BNC example setup for pulling a stream via serial port on a Linux operating system. -+
Figure: BNC setup for pulling a stream via serial port.
@@ -1508,5 +1513,5 @@ - +
