-- OK --
-----------------> BLESK ver.2021-02-27 run on Wed Jan 19 09:10:06 2022 UTC
-- File 20210923_012121_1227.dat, 216  packets found.
APID:
      1227 (SL) in 216 packets (all packets)
Mode:
      1 (EBEW-SRSL) in 216 packets (all packets)
Total number of packets: 
      18 in 216 packets (all packets)
Packet No from 1 to 18
   Sequence of packet numbers -- OK -- 
Hz and MHz counters from 2.313454 to 171.476190
-each separately from 2s to 171s and from 197499us to 969473us.
   Differences in neigboring packets: 
      0.000017 in 204 packets: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 19, ...
      23.937439 in 1 packets: 18
      14.058285 in 1 packets: 36
      14.618302 in 1 packets: 54
      5.639202 in 1 packets: 72
      17.877803 in 1 packets: 90
      21.316724 in 1 packets: 108
      18.098219 in 1 packets: 126
      6.588934 in 1 packets: 144
      14.518221 in 1 packets: 162
      17.228026 in 1 packets: 180
      15.278113 in 1 packets: 198
MIU packet time from 2021-09-23T01:21:26.313.454.000 to 2021-09-23T01:24:15.476.190.000
   Differences in neigboring packets: 
      0.000017 in 204 packets: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 19, ...
      23.937439 in 1 packets: 18
      14.058285 in 1 packets: 36
      14.618302 in 1 packets: 54
      5.639202 in 1 packets: 72
      17.877803 in 1 packets: 90
      21.316724 in 1 packets: 108
      18.098219 in 1 packets: 126
      6.588934 in 1 packets: 144
      14.518221 in 1 packets: 162
      17.228026 in 1 packets: 180
      15.278113 in 1 packets: 198
MIU orbit number: 
      60000 in 216 packets (all packets)
MIU orbit information / directon: 
      0 (DOWN) in 216 packets (all packets)
MIU orbit information / number of events: 
      0 in 216 packets (all packets)
Waveform overflows in 306us: 
      0 (none) in 216 packets (all packets)
Instrument anomalies: 
      0 (OK) in 216 packets (all packets)
FPGA configuration version: 
      211 in 216 packets (all packets)
10 MHz counter at the last 1Hz pulse from 4.2849874 to 173.2844284
   Differences in neigboring packets: 
      0.0000000 in 204 packets: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 19, ...
      23.9999204 in 1 packets: 18
      13.9999536 in 1 packets: 36
      13.9999537 in 2 packets: 54, 162
      5.9999802 in 1 packets: 72
      17.9999405 in 1 packets: 90
      20.9999307 in 1 packets: 108
      17.9999406 in 2 packets: 126, 180
      6.9999768 in 1 packets: 144
      14.9999502 in 1 packets: 198
Temperature FPGA: 
      02 -> 52.4 degC in 18 packets: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18
      03 -> 51.1 degC in 36 packets: 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, ...
      04 -> 49.8 degC in 144 packets: 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, ...
      05 -> 48.5 degC in 18 packets: 127, 128, 129, 130, 131, 132, 133, 134, 135, 136, 137, 138, 139, 140, 141, 142, 143, 144
Temperature XO: 
      C1 -> 37.2 degC in 216 packets (all packets)
Temperature ant 3: 
      01 -> 108.0 degC in 216 packets (all packets)
Temperature ant 4: 
      01 -> 108.0 degC in 216 packets (all packets)
Number of external events: 
      0 in 37 packets: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, ...
      1 in 144 packets: 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, ...
      2 in 35 packets: 182, 183, 184, 185, 186, 187, 188, 189, 190, 191, 192, 193, 194, 195, 196, 197, 198, 199, ...
Number of generated alerts: 
      0 in 37 packets: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, ...
      1 in 144 packets: 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, ...
      2 in 35 packets: 182, 183, 184, 185, 186, 187, 188, 189, 190, 191, 192, 193, 194, 195, 196, 197, 198, 199, ...
Survey memory error: 
      0 in 216 packets (all packets)
Event memory error: 
      0 in 216 packets (all packets)
Configuration error: 
      0 in 216 packets (all packets)
SDRAM CRC error: 
      0 in 216 packets (all packets)
Radio gain: 
      0 in 216 packets (all packets)
Radio bandwidth: 
      0 in 216 packets (all packets)
Digital gain: 
      0 in 216 packets (all packets)
Analog gain: 
      0 in 216 packets (all packets)
 
SURVEY DATA READER
-- File 20210923_012121_1227.dat, 12 SL data blocks found. Extra packets: 0.
--
Data structure of blocks of survey data packets:

 - Block number: 1 from the sequence of 18 packets.
   Block numbers in the data:
      1 in 18 packets (all packets)  -- OK --
   Ranks for SL, 0 for SR and SA:
      79 in 18 packets (all packets)  -- OK --
   10 MHz counter from 4.5984424 to 4.5987314
      Difference between neigboring packets: 
      0.0000170 in 17 packets (all packets)  -- OK --
      Difference to the following block: 23.9373590  -- OK for SL --
   MIU time from 2021-09-23T01:21:26.313.454.000 to 2021-09-23T01:21:26.313.743.000
      Difference between neigboring packets: 
      0.000017 in 17 packets (all packets)
      Difference to the following block: 23.937439

 - Block number: 2 from the sequence of 18 packets.
   Block numbers in the data:
      2 in 18 packets (all packets)  -- OK --
   Ranks for SL, 0 for SR and SA:
      76 in 18 packets (all packets)  -- OK --
   10 MHz counter from 28.5360904 to 28.5363794
      Difference between neigboring packets: 
      0.0000170 in 17 packets (all packets)  -- OK --
      Difference to the following block: 14.0582390  -- OK for SL --
   MIU time from 2021-09-23T01:21:50.251.182.000 to 2021-09-23T01:21:50.251.471.000
      Difference between neigboring packets: 
      0.000017 in 17 packets (all packets)
      Difference to the following block: 14.058285

 - Block number: 3 from the sequence of 18 packets.
   Block numbers in the data:
      3 in 18 packets (all packets)  -- OK --
   Ranks for SL, 0 for SR and SA:
      82 in 18 packets (all packets)  -- OK --
   10 MHz counter from 42.5946184 to 42.5949074
      Difference between neigboring packets: 
      0.0000170 in 17 packets (all packets)  -- OK --
      Difference to the following block: 14.6182550  -- OK for SL --
   MIU time from 2021-09-23T01:22:04.309.756.000 to 2021-09-23T01:22:04.310.045.000
      Difference between neigboring packets: 
      0.000017 in 17 packets (all packets)
      Difference to the following block: 14.618302

 - Block number: 4 from the sequence of 18 packets.
   Block numbers in the data:
      4 in 18 packets (all packets)  -- OK --
   Ranks for SL, 0 for SR and SA:
      79 in 18 packets (all packets)  -- OK --
   10 MHz counter from 57.2131624 to 57.2134514
      Difference between neigboring packets: 
      0.0000170 in 17 packets (all packets)  -- OK --
      Difference to the following block: 5.6391830  -- OK for SL --
   MIU time from 2021-09-23T01:22:18.928.347.000 to 2021-09-23T01:22:18.928.636.000
      Difference between neigboring packets: 
      0.000017 in 17 packets (all packets)
      Difference to the following block: 5.639202

 - Block number: 5 from the sequence of 18 packets.
   Block numbers in the data:
      5 in 18 packets (all packets)  -- OK --
   Ranks for SL, 0 for SR and SA:
      77 in 18 packets (all packets)  -- OK --
   10 MHz counter from 62.8526344 to 62.8529234
      Difference between neigboring packets: 
      0.0000170 in 17 packets (all packets)  -- OK --
      Difference to the following block: 17.8777430  -- OK for SL --
   MIU time from 2021-09-23T01:22:24.567.838.000 to 2021-09-23T01:22:24.568.127.000
      Difference between neigboring packets: 
      0.000017 in 17 packets (all packets)
      Difference to the following block: 17.877803

 - Block number: 6 from the sequence of 18 packets.
   Block numbers in the data:
      6 in 18 packets (all packets)  -- OK --
   Ranks for SL, 0 for SR and SA:
      75 in 18 packets (all packets)  -- OK --
   10 MHz counter from 80.7306664 to 80.7309554
      Difference between neigboring packets: 
      0.0000170 in 17 packets (all packets)  -- OK --
      Difference to the following block: 21.3166550  -- OK for SL --
   MIU time from 2021-09-23T01:22:42.445.930.000 to 2021-09-23T01:22:42.446.219.000
      Difference between neigboring packets: 
      0.000017 in 17 packets (all packets)
      Difference to the following block: 21.316724

 - Block number: 7 from the sequence of 18 packets.
   Block numbers in the data:
      7 in 18 packets (all packets)  -- OK --
   Ranks for SL, 0 for SR and SA:
      77 in 18 packets (all packets)  -- OK --
   10 MHz counter from 102.0476104 to 102.0478994
      Difference between neigboring packets: 
      0.0000170 in 17 packets (all packets)  -- OK --
      Difference to the following block: 18.0981590  -- OK for SL --
   MIU time from 2021-09-23T01:23:03.762.943.000 to 2021-09-23T01:23:03.763.232.000
      Difference between neigboring packets: 
      0.000017 in 17 packets (all packets)
      Difference to the following block: 18.098219

 - Block number: 8 from the sequence of 18 packets.
   Block numbers in the data:
      8 in 18 packets (all packets)  -- OK --
   Ranks for SL, 0 for SR and SA:
      80 in 18 packets (all packets)  -- OK --
   10 MHz counter from 120.1460584 to 120.1463474
      Difference between neigboring packets: 
      0.0000170 in 17 packets (all packets)  -- OK --
      Difference to the following block: 6.5889110  -- OK for SL --
   MIU time from 2021-09-23T01:23:21.861.451.000 to 2021-09-23T01:23:21.861.740.000
      Difference between neigboring packets: 
      0.000017 in 17 packets (all packets)
      Difference to the following block: 6.588934

 - Block number: 9 from the sequence of 18 packets.
   Block numbers in the data:
      9 in 18 packets (all packets)  -- OK --
   Ranks for SL, 0 for SR and SA:
      75 in 18 packets (all packets)  -- OK --
   10 MHz counter from 126.7352584 to 126.7355474
      Difference between neigboring packets: 
      0.0000170 in 17 packets (all packets)  -- OK --
      Difference to the following block: 14.5181750  -- OK for SL --
   MIU time from 2021-09-23T01:23:28.450.674.000 to 2021-09-23T01:23:28.450.963.000
      Difference between neigboring packets: 
      0.000017 in 17 packets (all packets)
      Difference to the following block: 14.518221

 - Block number: 10 from the sequence of 18 packets.
   Block numbers in the data:
      10 in 18 packets (all packets)  -- OK --
   Ranks for SL, 0 for SR and SA:
      79 in 18 packets (all packets)  -- OK --
   10 MHz counter from 141.2537224 to 141.2540114
      Difference between neigboring packets: 
      0.0000170 in 17 packets (all packets)  -- OK --
      Difference to the following block: 17.2279670  -- OK for SL --
   MIU time from 2021-09-23T01:23:42.969.184.000 to 2021-09-23T01:23:42.969.473.000
      Difference between neigboring packets: 
      0.000017 in 17 packets (all packets)
      Difference to the following block: 17.228026

 - Block number: 11 from the sequence of 18 packets.
   Block numbers in the data:
      11 in 18 packets (all packets)  -- OK --
   Ranks for SL, 0 for SR and SA:
      81 in 18 packets (all packets)  -- OK --
   10 MHz counter from 158.4819784 to 158.4822674
      Difference between neigboring packets: 
      0.0000170 in 17 packets (all packets)  -- OK --
      Difference to the following block: 15.2780630  -- OK for SL --
   MIU time from 2021-09-23T01:24:00.197.499.000 to 2021-09-23T01:24:00.197.788.000
      Difference between neigboring packets: 
      0.000017 in 17 packets (all packets)
      Difference to the following block: 15.278113

 - Block number: 12 from the sequence of 18 packets.
   Block numbers in the data:
      12 in 18 packets (all packets)  -- OK --
   Ranks for SL, 0 for SR and SA:
      73 in 18 packets (all packets)  -- OK --
   10 MHz counter from 173.7603304 to 173.7606194
      Difference between neigboring packets: 
      0.0000170 in 17 packets (all packets)  -- OK --
   MIU time from 2021-09-23T01:24:15.475.901.000 to 2021-09-23T01:24:15.476.190.000
      Difference between neigboring packets: 
      0.000017 in 17 packets (all packets)
   --- Rel. time correction for 216 points based on 179 XO calibration points at 1Hz counter from 0 to 178
   --- First point: 1Hz counter = 2, 32bit 10MHz counter = 4.598442400 corrected by 40bit 10MHz counter of 4.284987400 obtained at 1Hz counter of 2. Result: 2.313456066
--
   MIU or XO time of the 1st SL sample = header (MIU or corrected XO) time +offset(if negative) - 275 ns delay
   Samplig frequency correction factor in all SL packets: 0.999996600 - 0.999996700
   Min 1st sample MIU time among all SL packets: 2021-09-23T01:21:26.313.313.725
   Max 1st sample MIU time among all SL packets: 2021-09-23T01:24:15.476.049.725
   Min 1st sample XO time among all SL packets: 2.313315790
   Max 1st sample XO time among all SL packets: 171.476052296
   TM values from -242 to 195 median:-5.00000
--
Extremes and waveform characteristics in blocks of SL data packets:

 - Block number: 1 starting at 2021-09-23T01:21:26.313.313.725 (XO: 2.313315790 - 2.313621791, t=37.2 degC)  Rank: 00079
   TM values: Max =   172  Min =  -210  Ave =    -4.49  Std =    17.99
   Min TM value:-210 at an offset of 111.300 usec -> 2021-09-23T01:21:26.313.425.025 (XO: 2.313427091)
   Max TM value:172 at an offset of 126.788 usec -> 2021-09-23T01:21:26.313.440.512 (XO: 2.313442578)
   Max dTM/dt [1/us]:1.48e+03 at an offset of 126.613 usec -> 2021-09-23T01:21:26.313.440.337 (XO: 2.313442403)
   Min dTM/dt [1/us]:-1.60e+03 at an offset of 111.113 usec -> 2021-09-23T01:21:26.313.424.837 (XO: 2.313426903)

 - Block number: 2 starting at 2021-09-23T01:21:50.251.041.725 (XO: 26.251043153 - 26.251349154, t=37.2 degC)  Rank: 00076
   TM values: Max =   167  Min =  -230  Ave =    -4.48  Std =    18.84
   Min TM value:-230 at an offset of 126.338 usec -> 2021-09-23T01:21:50.251.168.062 (XO: 26.251169491)
   Max TM value:167 at an offset of 128.950 usec -> 2021-09-23T01:21:50.251.170.675 (XO: 26.251172104)
   Max dTM/dt [1/us]:1.41e+03 at an offset of 128.788 usec -> 2021-09-23T01:21:50.251.170.512 (XO: 26.251171941)
   Min dTM/dt [1/us]:-1.75e+03 at an offset of 126.138 usec -> 2021-09-23T01:21:50.251.167.862 (XO: 26.251169291)

 - Block number: 3 starting at 2021-09-23T01:22:04.309.615.725 (XO: 40.309617747 - 40.309923748, t=37.2 degC)  Rank: 00082
   TM values: Max =   177  Min =  -233  Ave =    -4.46  Std =    25.22
   Min TM value:-233 at an offset of 124.575 usec -> 2021-09-23T01:22:04.309.740.300 (XO: 40.309742322)
   Max TM value:177 at an offset of 127.225 usec -> 2021-09-23T01:22:04.309.742.950 (XO: 40.309744972)
   Max dTM/dt [1/us]:1.52e+03 at an offset of 127.063 usec -> 2021-09-23T01:22:04.309.742.787 (XO: 40.309744810)
   Min dTM/dt [1/us]:-1.69e+03 at an offset of 124.375 usec -> 2021-09-23T01:22:04.309.740.100 (XO: 40.309742122)

 - Block number: 4 starting at 2021-09-23T01:22:18.928.206.725 (XO: 54.928210088 - 54.928516089, t=37.2 degC)  Rank: 00079
   TM values: Max =   172  Min =  -224  Ave =    -4.57  Std =    22.94
   Min TM value:-224 at an offset of 126.150 usec -> 2021-09-23T01:22:18.928.332.875 (XO: 54.928336239)
   Max TM value:172 at an offset of 128.775 usec -> 2021-09-23T01:22:18.928.335.500 (XO: 54.928338864)
   Max dTM/dt [1/us]:1.63e+03 at an offset of 128.575 usec -> 2021-09-23T01:22:18.928.335.300 (XO: 54.928338664)
   Min dTM/dt [1/us]:-1.97e+03 at an offset of 125.988 usec -> 2021-09-23T01:22:18.928.332.712 (XO: 54.928336076)

 - Block number: 5 starting at 2021-09-23T01:22:24.567.697.725 (XO: 60.567700698 - 60.568006699, t=37.2 degC)  Rank: 00077
   TM values: Max =   184  Min =  -215  Ave =    -4.47  Std =    16.79
   Min TM value:-215 at an offset of 112.688 usec -> 2021-09-23T01:22:24.567.810.412 (XO: 60.567813386)
   Max TM value:184 at an offset of 115.363 usec -> 2021-09-23T01:22:24.567.813.087 (XO: 60.567816061)
   Max dTM/dt [1/us]:1.49e+03 at an offset of 115.175 usec -> 2021-09-23T01:22:24.567.812.900 (XO: 60.567815874)
   Min dTM/dt [1/us]:-1.64e+03 at an offset of 112.513 usec -> 2021-09-23T01:22:24.567.810.237 (XO: 60.567813211)

 - Block number: 6 starting at 2021-09-23T01:22:42.445.789.725 (XO: 78.445791841 - 78.446097842, t=37.2 degC)  Rank: 00075
   TM values: Max =   195  Min =  -235  Ave =    -4.53  Std =    19.27
   Min TM value:-235 at an offset of 123.663 usec -> 2021-09-23T01:22:42.445.913.387 (XO: 78.445915504)
   Max TM value:195 at an offset of 123.388 usec -> 2021-09-23T01:22:42.445.913.112 (XO: 78.445915229)
   Max dTM/dt [1/us]:1.90e+03 at an offset of 126.050 usec -> 2021-09-23T01:22:42.445.915.775 (XO: 78.445917891)
   Min dTM/dt [1/us]:-2.03e+03 at an offset of 123.475 usec -> 2021-09-23T01:22:42.445.913.200 (XO: 78.445915316)

 - Block number: 7 starting at 2021-09-23T01:23:03.762.802.725 (XO: 99.762806142 - 99.763112143, t=37.2 degC)  Rank: 00077
   TM values: Max =   180  Min =  -227  Ave =    -4.58  Std =    17.39
   Min TM value:-227 at an offset of 124.463 usec -> 2021-09-23T01:23:03.762.927.187 (XO: 99.762930605)
   Max TM value:180 at an offset of 124.163 usec -> 2021-09-23T01:23:03.762.926.887 (XO: 99.762930305)
   Max dTM/dt [1/us]:1.82e+03 at an offset of 126.850 usec -> 2021-09-23T01:23:03.762.929.575 (XO: 99.762932993)
   Min dTM/dt [1/us]:-1.99e+03 at an offset of 124.263 usec -> 2021-09-23T01:23:03.762.926.987 (XO: 99.762930405)

 - Block number: 8 starting at 2021-09-23T01:23:21.861.310.725 (XO: 117.861313953 - 117.861619955, t=37.2 degC)  Rank: 00080
   TM values: Max =   187  Min =  -242  Ave =    -4.51  Std =    18.99
   Min TM value:-242 at an offset of 113.988 usec -> 2021-09-23T01:23:21.861.424.712 (XO: 117.861427941)
   Max TM value:187 at an offset of 116.513 usec -> 2021-09-23T01:23:21.861.427.237 (XO: 117.861430466)
   Max dTM/dt [1/us]:1.78e+03 at an offset of 116.363 usec -> 2021-09-23T01:23:21.861.427.087 (XO: 117.861430316)
   Min dTM/dt [1/us]:-2.13e+03 at an offset of 113.800 usec -> 2021-09-23T01:23:21.861.424.525 (XO: 117.861427754)

 - Block number: 9 starting at 2021-09-23T01:23:28.450.533.725 (XO: 124.450535712 - 124.450841713, t=37.2 degC)  Rank: 00075
   TM values: Max =   181  Min =  -214  Ave =    -4.55  Std =    19.60
   Min TM value:-214 at an offset of 114.350 usec -> 2021-09-23T01:23:28.450.648.075 (XO: 124.450650062)
   Max TM value:181 at an offset of 117.050 usec -> 2021-09-23T01:23:28.450.650.775 (XO: 124.450652762)
   Max dTM/dt [1/us]:1.49e+03 at an offset of 116.913 usec -> 2021-09-23T01:23:28.450.650.637 (XO: 124.450652625)
   Min dTM/dt [1/us]:-1.53e+03 at an offset of 114.150 usec -> 2021-09-23T01:23:28.450.647.875 (XO: 124.450649862)

 - Block number: 10 starting at 2021-09-23T01:23:42.969.043.725 (XO: 138.969047723 - 138.969353724, t=37.2 degC)  Rank: 00079
   TM values: Max =   182  Min =  -224  Ave =    -4.58  Std =    18.53
   Min TM value:-224 at an offset of 127.788 usec -> 2021-09-23T01:23:42.969.171.512 (XO: 138.969175511)
   Max TM value:182 at an offset of 127.500 usec -> 2021-09-23T01:23:42.969.171.225 (XO: 138.969175223)
   Max dTM/dt [1/us]:1.52e+03 at an offset of 130.188 usec -> 2021-09-23T01:23:42.969.173.912 (XO: 138.969177911)
   Min dTM/dt [1/us]:-1.72e+03 at an offset of 127.625 usec -> 2021-09-23T01:23:42.969.171.350 (XO: 138.969175348)

 - Block number: 11 starting at 2021-09-23T01:24:00.197.358.725 (XO: 156.197360596 - 156.197666597, t=37.2 degC)  Rank: 00081
   TM values: Max =   184  Min =  -224  Ave =    -4.59  Std =    18.88
   Min TM value:-224 at an offset of 125.013 usec -> 2021-09-23T01:24:00.197.483.737 (XO: 156.197485609)
   Max TM value:184 at an offset of 127.613 usec -> 2021-09-23T01:24:00.197.486.337 (XO: 156.197488209)
   Max dTM/dt [1/us]:1.54e+03 at an offset of 127.438 usec -> 2021-09-23T01:24:00.197.486.162 (XO: 156.197488034)
   Min dTM/dt [1/us]:-1.77e+03 at an offset of 124.813 usec -> 2021-09-23T01:24:00.197.483.537 (XO: 156.197485409)

 - Block number: 12 starting at 2021-09-23T01:24:15.475.760.725 (XO: 171.475763295 - 171.476069296, t=37.2 degC)  Rank: 00073
   TM values: Max =   185  Min =  -208  Ave =    -4.63  Std =    19.73
   Min TM value:-208 at an offset of 125.688 usec -> 2021-09-23T01:24:15.475.886.412 (XO: 171.475888983)
   Max TM value:185 at an offset of 128.375 usec -> 2021-09-23T01:24:15.475.889.100 (XO: 171.475891670)
   Max dTM/dt [1/us]:1.48e+03 at an offset of 128.213 usec -> 2021-09-23T01:24:15.475.888.937 (XO: 171.475891508)
   Min dTM/dt [1/us]:-1.74e+03 at an offset of 125.513 usec -> 2021-09-23T01:24:15.475.886.237 (XO: 171.475888808)
