Changeset 723 in ntrip for trunk/BNC/bnchelp.html
- Timestamp:
- Mar 11, 2008, 10:06:25 AM (16 years ago)
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trunk/BNC/bnchelp.html
r721 r723 84 84 3.8.2. <a href=#advfail>Failure Threshold</a><br> 85 85 3.8.3. <a href=#advreco>Recovery Threshold</a><br> 86 3.8.4. <a href=#advscript>Advisory Script</a><br> 87 3.8.5. <a href=#latelog>Latency Logging</a><br> 86 3.8.4. <a href=#pause>Pause</a><br> 87 3.8.5. <a href=#advscript>Advisory Script</a><br> 88 3.8.6. <a href=#latelog>Latency Logging</a><br> 88 89 3.9. <a href=#mountpoints>Mountpoints</a><br> 89 90 3.9.1. <a href=#mountadd>Add Mountpoints</a><br> … … 383 384 </p> 384 385 <p> 385 <u>Stream corruption:</u> Not all bits chunk transfers to BNC's internal decoders return valid observations. Sometimes several chunks might be needed before the next observation can be properly decoded. BNC buffers all the outputs (both valid and invalid) from the decoder for a short time span (size derived from the expected 'Observation rate') and then determines whether a stream is valid or corrupted. In case of a corrupted stream, the decoding process is paused and decodings are then attempted again at decreasing rate. BNC will first attempt to decode again after a 30 second lag and if unsuccessful, make another attempt within 60 seconds after the previous attempt. If it is still unsuccessful, it will make another attempt to decode within 120 seconds after the previous attempt and so on. Each decoding attempt doubles the wait time since the previous attempt. The maximum wait time between attempts is limited to 960 seconds.386 <u>Stream corruption:</u> Not all bits chunk transfers to BNC's internal decoders return valid observations. Sometimes several chunks might be needed before the next observation can be properly decoded. BNC buffers all the outputs (both valid and invalid) from the decoder for a short time span (size derived from the expected 'Observation rate') and then determines whether a stream is valid or corrupted. 386 387 </p> 387 388 <p> … … 410 411 </p> 411 412 412 <p><a name="advscript"><h4>3.8.4 Advisory Script - optional </h4></p> 413 <p><a name="pause"><h4>3.8.4 Pause - optional</h4></p> 414 <p> 415 In case of a corrupted stream, the decoding process can be paused and decodings are then attempted again at decreasing rate. BNC will first attempt to decode again after a 30 second lag and if unsuccessful, make another attempt within 60 seconds after the previous attempt. If it is still unsuccessful, it will make another attempt to decode within 120 seconds after the previous attempt and so on. Each decoding attempt doubles the wait time since the previous attempt. The maximum wait time between attempts is limited to 960 seconds. Tick 'Pause' to activate this function. Note that it is only effective if an 'Observation rate' is specified. 416 </p> 417 <p> 418 Do not tick 'Pause' if you want to prevent BNC from making any decoding pause. Be aware that this may incur an unnecessary workload. 419 </p> 420 421 <p><a name="advscript"><h4>3.8.5 Advisory Script - optional </h4></p> 413 422 <p> 414 423 As mentioned previously, BNC can trigger a shell script or a batch file to be executed when one of the events described are reported. This script can be used to email an advisory note to network operator or stream providers. To enable this feature, specify the full path to the script or batch file in the 'Script' field. The affected mountpoint and type of event reported ('Begin_Outage', 'End_Outage', 'Begin_Corrupted' or 'End_Corrupted') will then be passed on to the script as command line parameters (%1 and %2 on Windows systems or $1 and $2 on Unix/Linux systems) together with date and time information. … … 439 448 </p> 440 449 441 <p><a name="latelog"><h4>3.8. 5Latency Logging - optional </h4></p>450 <p><a name="latelog"><h4>3.8.6 Latency Logging - optional </h4></p> 442 451 <p> 443 452 Latency is defined here by the following equation: … … 811 820 latIntr= 812 821 logFile=/home/user/log.txt 822 makePause=0 813 823 mountPoints=//user:pass@www.euref-ip.net:2101/ACOR0 RTCM_2.3 43.36 351.60 no, //user:pass@www.igs-ip.net:2101/FFMJ3 RTCM_3.0 41.58 1.40 no 814 824 obsRate=
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