                               <<<<< Q20110 >>>>>                               
                                <<< IN220-110 >>>                               

Christian Ploetz(1), Matthias Schartner(2), 
(1) Geodatisches Observatorium Wettzell, Germany
(2) Technische Universitaet Wien, Austria

Date of experiment: 2020,Apr,19
Nominal Start Time: 07h30 UT
Nominal End Time:   08h30 UT
Duration:           1.0 hr
Correlator:         GSI

Participating stations: (2)
ISHIOKA     Is 
WETTZELL    Wz 


Contact
=======
 Christian Ploetz   (1)  christian.ploetz@bkg.bund.de         +49 (0) 9941 - 603 - 104
 Matthias Schartner (2)  matthias.schartner@geo.tuwien.ac.at  +43 (1) 58801 - 128 11

Notes: 
===========================================================
INT-2 measured with the baseline Wettzell to Ishioka on Saturday and Sunday. Session duration is 1 hour. Scheduling done with VieSchedpp.
Station down times:
    none
Tagalong mode used:
    none

===========================================================
Session Notes for session: Q20110
===========================================================
 Experiment: Q20110                       Description: IN220-110
 Scheduler:  GOW                          Correlator:  GSI
 Start:      2020-110-07:30:00            End:         2020-110-08:30:00
 Current yyyyddd:    2020110 (2020.30)  ( 58958 MJD, SUN. 19APR.)
===========================================================
 Software:   VieSched++                   Version:     e889ada
 GUI:        VieSched++                   Version:     a63d991
===========================================================
 First observations
 Observation listing from file q20110.skd for experiment Q20110
 Source      Start      DURATIONS           
 name     yyddd-hhmmss   Is  Wz  
 1803+784 20110-073000|  30  30
 Last observations
 0955+476 20110-082734| 146 146
===========================================================
 Schedule was created using multi scheduling tool
    version 41
    weight sky coverage 0.4
===========================================================
 Key:     Is=ISHIOKA    Wz=WETTZELL   

                     Is     Wz    Avg
 % obs. time:     62.11  62.11  62.11 
 % cal. time:      9.72   9.72   9.72 
 % slew time:     17.22  20.89  19.06 
 % idle time:      5.11   1.44   3.28 
 % field system:   5.83   5.83   5.83 
 total # scans:      36     36     36 
 # scans/hour:    36.00  36.00  36.00 
 total # obs:        36     36     36 
 # obs/hour:      36.00  36.00  36.00 
 Avg scan (sec):  62.11  62.11  62.11 
 # Mk5 tracks:       16     16 
 Total TB(M5):     0.07   0.07   0.07 

      # OF OBSERVATIONS BY BASELINE 
  |  Is   Wz  Total
---------------------
Is|       36      36
Wz|               36
 Number of  2-station scans:     36 (100.00 %)
Total number of scans:           36
Total number of obs:             36
Total integrated obs-time:     2236
Average obs-time:              62.1
===========================================================
Recording mode:
Mode: 256-16(R1-R4)
    Freq: GEOSX
        Recording mode for: Is Wz
             Tot.Rate    Tot.BandW      Chan.BW   #BBC  #bits Tracks
           256 Mbit/s      128 MHz     8.00 MHz     14      1     16
        S-band spanned bw =   140.0 MHz     rms spanned bw =    55.8 MHz
        X-band spanned bw =   720.0 MHz     rms spanned bw =   312.1 MHz

================================================================================================================================================
                                                         ADDITONAL NOTES FOR SCHEDULER                                                         
================================================================================================================================================

                 #scans     #obs   
--------------------------------- 
 total               36       36  
--------------------------------- 
 single source       36       36  
 subnetting           0        0  
--------------------------------- 
 standard            36       36  
 fillin mode          0        0  

weight factors: 
 sky coverage:           0.4
 duration:               1

sky coverage score (1 means perfect distribution)
.---------------------------------------------------.
|                   |  ISHIOKA  WETTZELL | average  |
|-------------------|--------------------|----------|
| 13 areas @ 30 min |     0.58      0.54 |     0.56 |
| 25 areas @ 30 min |     0.44      0.41 |     0.43 |
| 37 areas @ 30 min |     0.32      0.34 |     0.33 |
|---------------------------------------------------|
| 13 areas @ 60 min |     0.65      0.58 |     0.62 |
| 25 areas @ 60 min |     0.54      0.48 |     0.51 |
| 37 areas @ 60 min |     0.42      0.46 |     0.44 |
'---------------------------------------------------'

number of scans per 15 minutes:
.-----------------------------------------------------------------------------------------------------------------------------------------.
|          time since session start (1 char equals 15 minutes)                                             | #SCANS #OBS |   OBS Time [s] |
| STATION |0   1   2   3   4   5   6   7   8   9   10  11  12  13  14  15  16  17  18  19  20  21  22  23  |             |   sum  average |
|---------|+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---|-------------|----------------|
|  ISHIOKA|X8X8                                                                                            |     36   36 |  2236     62.1 |
| WETTZELL|X8X8                                                                                            |     36   36 |  2236     62.1 |
'-----------------------------------------------------------------------------------------------------------------------------------------'

number of available sources:   301
number of scheduled sources:   20
number of scans per 15 minutes:
.-----------------------------------------------------------------------------------------------------------------------------------------.
|          time since session start (1 char equals 15 minutes)                                             | #SCANS #OBS |   OBS Time [s] |
|  SOURCE |0   1   2   3   4   5   6   7   8   9   10  11  12  13  14  15  16  17  18  19  20  21  22  23  |             |   sum  average |
|---------|+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---|-------------|----------------|
| 0016+731|1 1                                                                                             |      2    2 |    78     39.0 |
| 0017+200|1                                                                                               |      1    1 |    73     73.0 |
| 0059+581|11 1                                                                                            |      3    3 |    90     30.0 |
| 0133+476| 11                                                                                             |      2    2 |    75     37.5 |
| 0202+319|11 1                                                                                            |      3    3 |   133     44.3 |
| 0322+222|   1                                                                                            |      1    1 |   138    138.0 |
|    CTA26| 1                                                                                              |      1    1 |   185    185.0 |
| 0420+022|   1                                                                                            |      1    1 |    55     55.0 |
| 0529+483|  1                                                                                             |      1    1 |    65     65.0 |
| 0552+398| 11                                                                                             |      2    2 |    60     30.0 |
| 0613+570| 1                                                                                              |      1    1 |    88     88.0 |
| 0642+449|1 11                                                                                            |      3    3 |    90     30.0 |
| 0716+714|1 1                                                                                             |      2    2 |   131     65.5 |
| 0814+425| 11                                                                                             |      2    2 |   104     52.0 |
| 0955+476|1 11                                                                                            |      3    3 |   241     80.3 |
| 1053+704|  1                                                                                             |      1    1 |   121    121.0 |
| 1418+546|1  1                                                                                            |      2    2 |   243    121.5 |
| 1803+784|1 1                                                                                             |      2    2 |    60     30.0 |
|    3C371| 1 1                                                                                            |      2    2 |    76     38.0 |
| 2309+454|1                                                                                               |      1    1 |   130    130.0 |
'-----------------------------------------------------------------------------------------------------------------------------------------'

Summary of observing mode(s):
    band  S mean frequency  2290.990 [MHz]
    band  X mean frequency  8588.990 [MHz]

    observing mode: 256-16(R1-R4):
        band:  S recording rate   96.00 [Mbit/s] with efficiency factor 0.6175: (1)
            Is-Wz 
        band:  X recording rate  160.00 [Mbit/s] with efficiency factor 0.6175: (1)
            Is-Wz 

average theoretical SNR for S-band per baseline:
.------------------------------------------.
| STATIONS |  ISHIOKA  WETTZELL |  AVERAGE |
|----------|--------------------|----------|
|  ISHIOKA |              24.45 |    24.45 |
| WETTZELL |                    |    24.45 |
'------------------------------------------'

average theoretical SNR for X-band per baseline:
.------------------------------------------.
| STATIONS |  ISHIOKA  WETTZELL |  AVERAGE |
|----------|--------------------|----------|
|  ISHIOKA |              50.33 |    50.33 |
| WETTZELL |                    |    50.33 |
'------------------------------------------'

scan observing durations:
scan duration:
  0- 19 | 
 20- 39 | ++++++++++++++++++++++++++++++++++++++++++++
 40- 59 | ++++++++++++++++++++++
 60- 79 | +++++++++++
 80- 99 | +++
100-119 | 
120-139 | ++++++++++++++
140-159 | +++
160-179 | 
180-199 | +++

scheduled scan length:
.-----------------------------------------------------------------------------------.
| S1-S2 |  min    10%    50%    90%    95%  97.5%    99%    max   |    sum  average |
|-------|---------------------------------------------------------|-----------------|
|  ALL  |   30     30     44    122    138    146    146    185   |   2236     62.1 |
|-------|---------------------------------------------------------|-----------------|
| Is-Wz |   30     30     44    122    138    146    146    185   |   2236     62.1 |
'-----------------------------------------------------------------------------------'

First Scans:
.----------------------------------------------------------------------------------------------------------------------------------------------.
| scan:   no0000   (id: 941)                                                                                     duration: 07:30:00 - 07:30:30 |
| Source: 1803+784 (id: 241)                                                                                   type: target single source scan |
|----------------------------------------------------------------------------------------------------------------------------------------------|
|     station  | field |  slew |  idle | preob |  obs  |       duration      |        az [deg]     |       unaz [deg]      |       el [deg]    |
|              |  [s]  |  [s]  |  [s]  |  [s]  |  [s]  |    start - end      |    start - end      |     start - end       |   start - end     |
|--------------|-------|-------|-------|-------|-------|---------------------|---------------------|-----------------------|-------------------|
|     ISHIOKA  |     0 |     0 |     0 |     0 |    30 | 07:30:00 - 07:30:30 |   2.3375 -   2.3647 |    2.3375 -    2.3647 | 24.8481 - 24.8522 | (id: 55255 and 56435) 
|     WETTZELL |     0 |     0 |     0 |     0 |    30 | 07:30:00 - 07:30:30 | 342.6784 - 342.6690 |  702.6784 -  702.6690 | 53.1132 - 53.0888 | (id: 55256 and 56438) 
|----------------------------------------------------------------------------------------------------------------------------------------------|
| scan:   no0001   (id: 1184)                                                                                    duration: 07:31:07 - 07:31:37 |
| Source: 0059+581 (id: 12)                                                                                    type: target single source scan |
|----------------------------------------------------------------------------------------------------------------------------------------------|
|     ISHIOKA  |     6 |    15 |     6 |    10 |    30 | 07:31:07 - 07:31:37 | 321.7693 - 321.7923 |  -38.2307 -  -38.2077 | 32.7780 - 32.7154 | (id: 57614 and 60424) 
|     WETTZELL |     6 |    21 |     0 |    10 |    30 | 07:31:07 - 07:31:37 |  52.9420 -  52.9363 |  772.9420 -  772.9363 | 63.7707 - 63.8361 | (id: 57615 and 60428) 
|----------------------------------------------------------------------------------------------------------------------------------------------|
| scan:   no0002   (id: 1565)                                                                                    duration: 07:32:29 - 07:32:59 |
| Source: 0642+449 (id: 87)                                                                                    type: target single source scan |
|----------------------------------------------------------------------------------------------------------------------------------------------|
|     ISHIOKA  |     6 |    20 |    16 |    10 |    30 | 07:32:29 - 07:32:59 |   3.7396 -   3.1495 |    3.7396 -    3.1495 | 81.3543 - 81.3604 | (id: 61200 and 63232) 
|     WETTZELL |     6 |    36 |     0 |    10 |    30 | 07:32:29 - 07:32:59 |  35.1422 -  35.2199 |  755.1422 -  755.2199 | 14.2899 - 14.3372 | (id: 61203 and 63236) 
|----------------------------------------------------------------------------------------------------------------------------------------------|

Last Scans:
.----------------------------------------------------------------------------------------------------------------------------------------------.
| scan:   no0033   (id: 20049)                                                                                   duration: 08:25:00 - 08:25:30 |
| Source: 0642+449 (id: 87)                                                                                    type: target single source scan |
|----------------------------------------------------------------------------------------------------------------------------------------------|
|     ISHIOKA  |     6 |    19 |     0 |    10 |    30 | 08:25:00 - 08:25:30 | 316.4228 - 316.1743 |  316.4228 -  316.1743 | 77.2654 - 77.1955 | (id: 230222 and 231338) 
|     WETTZELL |     6 |    17 |     2 |    10 |    30 | 08:25:00 - 08:25:30 |  43.0734 -  43.1468 |  403.0734 -  403.1468 | 19.7223 - 19.7784 | (id: 230224 and 231342) 
|----------------------------------------------------------------------------------------------------------------------------------------------|
| scan:   no0034   (id: 20277)                                                                                   duration: 08:26:09 - 08:26:47 |
| Source:    3C371 (id: 243)                                                                                   type: target single source scan |
|----------------------------------------------------------------------------------------------------------------------------------------------|
|     ISHIOKA  |     6 |    22 |     1 |    10 |    38 | 08:26:09 - 08:26:47 |   8.1117 -   8.1658 |  368.1117 -  368.1658 | 17.3535 - 17.3716 | (id: 232233 and 232469) 
|     WETTZELL |     6 |    23 |     0 |    10 |    38 | 08:26:09 - 08:26:47 | 328.6871 - 328.7016 |  328.6871 -  328.7016 | 49.9872 - 49.9332 | (id: 232234 and 232479) 
|----------------------------------------------------------------------------------------------------------------------------------------------|
| scan:   no0035   (id: 20375)                                                                                   duration: 08:27:34 - 08:30:00 |
| Source: 0955+476 (id: 125)                                                                                   type: target single source scan |
|----------------------------------------------------------------------------------------------------------------------------------------------|
|     station  | field |  slew |  idle | preob |  obs  |       duration      |        az [deg]     |       unaz [deg]      |       el [deg]    |
|              |  [s]  |  [s]  |  [s]  |  [s]  |  [s]  |    start - end      |    start - end      |     start - end       |   start - end     |
|--------------|-------|-------|-------|-------|-------|---------------------|---------------------|-----------------------|-------------------|
|     ISHIOKA  |     6 |    19 |    12 |    10 |   146 | 08:27:34 - 08:30:00 |  55.6720 -  55.5047 |  415.6720 -  415.5047 | 61.9972 - 62.4032 | (id: 232950 and 233633) 
|     WETTZELL |     6 |    31 |     0 |    10 |   146 | 08:27:34 - 08:30:00 |  12.0474 -  12.4558 |  372.0474 -  372.4558 |  7.6911 -  7.7758 | (id: 232953 and 233638) 
|----------------------------------------------------------------------------------------------------------------------------------------------|

.------------------------------------------.
| sun position:        | earth velocity:   |
|----------------------|-------------------|
| RA:   01h 50m 36.54s | x:    14145 [m/s] |
| DEC: +11 22' 30.22" | y:   -23918 [m/s] |
|                      | z:   -10368 [m/s] |
'------------------------------------------'

.--------------------------------------------------------------------.
| earth nutation:                                                    |
|         time        |        X              Y              S       |
|---------------------|----------------------------------------------|
| 2020.04.19 07:30:00 |  +1.937297e-03  -4.065431e-06  -7.425697e-09 |
| 2020.04.19 08:30:00 |  +1.937299e-03  -4.063007e-06  -7.428048e-09 |
| 2020.04.19 09:30:00 |  +1.937301e-03  -4.060701e-06  -7.430285e-09 |
'--------------------------------------------------------------------'

================================================================================================================================================
                                                              FULL SCHEDULING SETUP                                                             
================================================================================================================================================
Can be used to recreate schedule:

<?xml version="1.0" encoding="utf-8"?>
<VieSchedpp>
	<software>
		<name>VieSched++ GUI</name>
		<GUI_version>a63d9918d7a38404a9072123d87eb2ac78da72bb</GUI_version>
	</software>
	<created>
		<time>2020.04.14 11:54:51</time>
		<name>unknown</name>
		<email>unknown</email>
	</created>
	<general>
		<experimentName>Q20110</experimentName>
		<startTime>2020.04.19 07:30:00</startTime>
		<endTime>2020.04.19 08:30:00</endTime>
		<subnetting>false</subnetting>
		<fillinmodeDuringScanSelection>true</fillinmodeDuringScanSelection>
		<fillinmodeInfluenceOnSchedule>true</fillinmodeInfluenceOnSchedule>
		<idleToObservingTime>true</idleToObservingTime>
		<stations>
			<station>ISHIOKA</station>
			<station>WETTZELL</station>
		</stations>
		<scanAlignment>start</scanAlignment>
		<logSeverityConsole>info</logSeverityConsole>
		<logSeverityFile>info</logSeverityFile>
	</general>
	<output>
		<experimentDescription>IN220-110</experimentDescription>
		<scheduler>GOW</scheduler>
		<correlator>GSI</correlator>
		<contacts>
			<contact>
				<function/>
				<name>Christian Ploetz</name>
				<email>christian.ploetz@bkg.bund.de</email>
				<phone>+49 (0) 9941 - 603 - 104</phone>
				<affiliation>Geodatisches Observatorium Wettzell, Germany</affiliation>
			</contact>
			<contact>
				<function/>
				<name>Matthias Schartner</name>
				<email>matthias.schartner@geo.tuwien.ac.at</email>
				<phone>+43 (1) 58801 - 128 11</phone>
				<affiliation>Technische Universitaet Wien, Austria</affiliation>
			</contact>
		</contacts>
		<notes>INT-2 measured with the baseline Wettzell to Ishioka on Saturday and Sunday. Session duration is 1 hour. Scheduling done with VieSchedpp.</notes>
		<initializer_log>true</initializer_log>
		<iteration_log>true</iteration_log>
		<createSummary>false</createSummary>
		<createNGS>true</createNGS>
		<createSKD>true</createSKD>
		<createVEX>true</createVEX>
		<createSnrTable>false</createSnrTable>
		<createOperationsNotes>true</createOperationsNotes>
		<createSourceGroupStatistics>false</createSourceGroupStatistics>
		<createSkyCoverage>false</createSkyCoverage>
	</output>
	<catalogs>
		<antenna>../CATALOGS/antenna.cat</antenna>
		<equip>../CATALOGS/equip.cat</equip>
		<flux>../CATALOGS/flux.cat</flux>
		<freq>../CATALOGS/freq.cat</freq>
		<hdpos>../CATALOGS/hdpos.cat</hdpos>
		<loif>../CATALOGS/loif.cat</loif>
		<mask>../CATALOGS/mask.cat</mask>
		<modes>../CATALOGS/modes.cat</modes>
		<position>../CATALOGS/position.cat</position>
		<rec>../CATALOGS/rec.cat</rec>
		<rx>../CATALOGS/rx.cat</rx>
		<source>../CATALOGS/source.cat.geodetic.good</source>
		<tracks>../CATALOGS/tracks.cat</tracks>
	</catalogs>
	<station>
		<setup>
			<member>__all__</member>
			<parameter>default</parameter>
			<transition>hard</transition>
		</setup>
		<parameters>
			<parameter name="default">
				<available>1</available>
				<availableForFillinmode>1</availableForFillinmode>
				<weight>1</weight>
				<minScan>30</minScan>
				<maxScan>600</maxScan>
				<minSlewtime>0</minSlewtime>
				<maxSlewtime>300</maxSlewtime>
				<maxSlewDistance>175</maxSlewDistance>
				<minSlewDistance>0</minSlewDistance>
				<maxWait>600</maxWait>
				<minElevation>5</minElevation>
				<maxNumberOfScans>9999</maxNumberOfScans>
				<minSNR band="X">25</minSNR>
				<minSNR band="S">20</minSNR>
			</parameter>
		</parameters>
		<waitTimes>
			<waitTime member="__all__">
				<fieldSystem>6</fieldSystem>
				<preob>10</preob>
				<midob>3</midob>
				<postob>0</postob>
			</waitTime>
		</waitTimes>
		<cableWrapBuffers>
			<cableWrapBuffer member="__all__">
				<axis1LowOffset>5</axis1LowOffset>
				<axis1UpOffset>5</axis1UpOffset>
				<axis2LowOffset>0</axis2LowOffset>
				<axis2UpOffset>0</axis2UpOffset>
			</cableWrapBuffer>
		</cableWrapBuffers>
	</station>
	<source>
		<setup>
			<member>__all__</member>
			<parameter>default</parameter>
			<transition>hard</transition>
		</setup>
		<parameters>
			<parameter name="default">
				<available>1</available>
				<availableForFillinmode>1</availableForFillinmode>
				<weight>1</weight>
				<minElevation>0</minElevation>
				<minSunDistance>15</minSunDistance>
				<minScan>0</minScan>
				<maxScan>9999</maxScan>
				<minNumberOfStations>2</minNumberOfStations>
				<minRepeat>600</minRepeat>
				<minFlux>0.05</minFlux>
				<maxNumberOfScans>999</maxNumberOfScans>
			</parameter>
		</parameters>
	</source>
	<baseline>
		<setup>
			<member>__all__</member>
			<parameter>default</parameter>
			<transition>hard</transition>
		</setup>
		<parameters>
			<parameter name="default">
				<ignore>0</ignore>
				<minScan>0</minScan>
				<maxScan>9999</maxScan>
				<weight>1</weight>
			</parameter>
		</parameters>
	</baseline>
	<skyCoverage>
		<influenceDistance>30</influenceDistance>
		<influenceInterval>3600</influenceInterval>
		<maxTwinTelecopeDistance>0</maxTwinTelecopeDistance>
		<interpolationDistance>cosine</interpolationDistance>
		<interpolationTime>cosine</interpolationTime>
	</skyCoverage>
	<weightFactor>
		<skyCoverage>0.02</skyCoverage>
		<duration>1</duration>
	</weightFactor>
	<multisched>
		<weight_factor_sky_coverage>
			<value>0</value>
			<value>0.01</value>
			<value>0.02</value>
			<value>0.029999999999999999</value>
			<value>0.040000000000000001</value>
			<value>0.050000000000000003</value>
			<value>0.059999999999999998</value>
			<value>0.070000000000000007</value>
			<value>0.080000000000000002</value>
			<value>0.089999999999999997</value>
			<value>0.10000000000000001</value>
			<value>0.11</value>
			<value>0.12</value>
			<value>0.13</value>
			<value>0.14000000000000001</value>
			<value>0.14999999999999999</value>
			<value>0.16</value>
			<value>0.17000000000000001</value>
			<value>0.17999999999999999</value>
			<value>0.19</value>
			<value>0.20000000000000001</value>
			<value>0.20999999999999999</value>
			<value>0.22</value>
			<value>0.23000000000000001</value>
			<value>0.23999999999999999</value>
			<value>0.25</value>
			<value>0.26000000000000001</value>
			<value>0.27000000000000002</value>
			<value>0.28000000000000003</value>
			<value>0.28999999999999998</value>
			<value>0.29999999999999999</value>
			<value>0.31</value>
			<value>0.32000000000000001</value>
			<value>0.33000000000000002</value>
			<value>0.34000000000000002</value>
			<value>0.34999999999999998</value>
			<value>0.35999999999999999</value>
			<value>0.37</value>
			<value>0.38</value>
			<value>0.39000000000000001</value>
			<value>0.40000000000000002</value>
			<value>0.40999999999999998</value>
			<value>0.41999999999999998</value>
			<value>0.42999999999999999</value>
			<value>0.44</value>
			<value>0.45000000000000001</value>
			<value>0.46000000000000002</value>
			<value>0.46999999999999997</value>
			<value>0.47999999999999998</value>
			<value>0.48999999999999999</value>
			<value>0.5</value>
			<value>0.51000000000000001</value>
			<value>0.52000000000000002</value>
			<value>0.53000000000000003</value>
			<value>0.54000000000000004</value>
			<value>0.55000000000000004</value>
			<value>0.56000000000000005</value>
			<value>0.56999999999999995</value>
			<value>0.57999999999999996</value>
			<value>0.58999999999999997</value>
			<value>0.59999999999999998</value>
		</weight_factor_sky_coverage>
	</multisched>
	<multiCore>
		<threads>auto</threads>
		<jobScheduling>auto</jobScheduling>
	</multiCore>
	<mode>
		<skdMode>256-16(R1-R4)</skdMode>
		<bandPolicies>
			<bandPolicy name="X">
				<minSNR>25</minSNR>
				<station>
					<tag>required</tag>
				</station>
				<source>
					<tag>required</tag>
				</source>
			</bandPolicy>
			<bandPolicy name="S">
				<minSNR>20</minSNR>
				<station>
					<tag>required</tag>
				</station>
				<source>
					<tag>required</tag>
				</source>
			</bandPolicy>
		</bandPolicies>
	</mode>
</VieSchedpp>