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Rapid-Service-Mail No.23

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Date:2012-03-20 03:22:42
Sender:&#8221;Erricos C. Pavlis&#8221; <epavlis@umbc.edu>
Subject:[RapidServiceMail] No.23: ILRS/AWG Rapid Service Mail (JCET) 7501 Systematic range bias
Content:Dear Ludwig,

The AWG, based on the QC results from Hitotsubashi Univ. and JCET (at least), have noticed a systematic range error at the level of -6 to -7 cm starting about Mar. 11 for your system (see attached QC files and graph). It seems that your issue is with the calibration process since as you can see from the attached plot of the estimated range bias, system precision and calibration mean, your biases come in two populations (red squares, significantly non-zero and purple diamonds, around zero) of which the significantly non-zero values show a strong dependence on the calibration mean.
When your calibration mean hovers around 16320 mm your range bias is significantly non-zero (except for one case).
Please have a look at what may be causing this systematic errors and please let us know when the problem is resolved and if the data can be recovered through a fixed correction or with the adjustment of a range bias.

Looking forward to hearing from you soon,

ecpFrom nobody Mon Oct 27 01:44:36 2014
Content-Disposition: attachment;
filename=”7501@HITO_QC_Mar.5.2012.rtf”
Content-Type: text/rtf;
name=”7501@HITO_QC_Mar.5.2012.rtf”
Content-Transfer-Encoding: 7bit

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f0fs20 cf0 #
# 7501 = HARTEBEESTHOEK
# sat site date time dur rb mm error tb us error prec bad total rms pres temp hum sdelay shft rms cfg r wlen
STRL 7501 2012/03/11 11:41 2 -69 ( 8 ) -------.- ( ----.- ) 2 0 / 7 10 864.5 303.9 28 16320 -1 6 6 1 0 532
STEL 7501 2012/03/11 12:01 0 -74 ( 28 ) -------.- ( ----.- ) 16 0 / 3 12 864.3 304.4 27 16320 -1 6 6 1 0 532
LAG1 7501 2012/03/11 23:11 18 -52 ( 6 ) -0.8 ( 3.1 ) 1 0 / 11 10 865.6 286.6 87 16318 0 5 6 1 0 532
LAG1 7501 2012/03/12 02:25 30 -80 ( 3 ) 7.2 ( 1.9 ) 1 0 / 17 10 864.4 285.3 92 16318 -6 7 6 1 0 532
AJI1 7501 2012/03/12 08:01 9 -46 ( 4 ) 2.6 ( 1.4 ) 2 0 / 21 17 865.1 297.3 45 16325 -2 6 6 1 0 532
LAG2 7501 2012/03/12 08:17 23 -57 ( 6 ) 18.7 ( 4.9 ) 1 0 / 13 12 864.7 298.6 45 16325 -2 6 6 1 0 532
LAG1 7501 2012/03/12 09:17 9 -84 ( 24 ) 16.6 ( 15.0 ) 1 0 / 6 15 864.2 299.4 42 16321 -5 6 6 1 0 532
STRL 7501 2012/03/12 10:09 8 -78 ( 6 ) -1.5 ( 1.4 ) 2 0 / 15 11 863.7 300.9 40 16321 -5 6 6 1 0 532
STRL 7501 2012/03/12 17:38 4 -33 ( 10 ) 9.2 ( 4.0 ) 2 0 / 11 9 861.2 292.3 64 16318 3 6 6 1 0 532
ETA1 7501 2012/03/12 18:08 17 -49 ( 9 ) -------.- ( ----.- ) 2 0 / 5 17 861.4 291.9 64 16318 3 6 6 1 0 532
AJI1 7501 2012/03/12 20:49 9 -33 ( 4 ) 4.5 ( 1.6 ) 2 0 / 20 15 861.9 290.1 71 16316 -0 6 6 1 0 532
ETA2 7501 2012/03/12 21:03 18 -76 ( 12 ) -------.- ( ----.- ) 3 0 / 5 19 861.9 290.4 69 16316 -0 6 6 1 0 532
LAG2 7501 2012/03/12 21:35 46 -62 ( 2 ) 10.7 ( 1.5 ) 1 0 / 22 9 861.8 289.5 73 16317 1 6 6 1 0 532
GL15 7501 2012/03/12 22:23 19 -41 ( 17 ) -------.- ( ----.- ) 3 0 / 3 12 861.9 289.4 72 16319 3 6 6 1 0 532
LARS 7501 2012/03/12 22:29 12 -56 ( 6 ) 0.3 ( 1.6 ) 3 0 / 26 9 862.0 289.3 72 16319 3 6 6 1 0 532
STEL 7501 2012/03/12 22:45 4 -52 ( 5 ) -3.4 ( 1.6 ) 2 0 / 11 10 861.9 288.9 73 16319 3 6 6 1 0 532
AJI1 7501 2012/03/12 22:50 10 -22 ( 4 ) 6.4 ( 1.4 ) 2 0 / 23 16 862.0 288.6 75 16319 3 6 6 1 0 532
LAG1 7501 2012/03/13 00:55 44 -67 ( 2 ) 7.6 ( 1.0 ) 1 0 / 24 9 861.6 287.7 80 16320 -2 5 6 1 0 532
LAG2 7501 2012/03/13 01:55 7 -71 ( 8 ) -------.- ( ----.- ) 2 0 / 5 10 861.6 287.4 79 16319 0 4 6 1 0 532
AJI1 7501 2012/03/13 05:04 3 -49 ( 44 ) 1.0 ( 15.4 ) 3 0 / 8 14 862.8 290.3 70 16318 5 6 6 1 0 532
LAG2 7501 2012/03/13 06:09 34 -70 ( 3 ) 15.1 ( 2.4 ) 1 0 / 18 13 863.4 297.6 44 16324 1 5 6 1 0 532
STRL 7501 2012/03/13 10:30 6 -57 ( 5 ) 10.8 ( 1.5 ) 2 0 / 14 10 862.1 303.8 32 16319 3 6 6 1 0 532
LAG1 7501 2012/03/13 10:59 18 -76 ( 5 ) 10.6 ( 3.0 ) 1 0 / 10 11 861.7 303.6 29 16319 3 6 6 1 0 532
ETA1 7501 2012/03/13 16:58 7 -50 ( 13 ) -------.- ( ----.- ) 2 0 / 3 17 861.6 294.4 31 16318 -12 8 6 1 0 532
GIOB 7501 2012/03/13 17:12 18 20 ( 4 ) -------.- ( ----.- ) 1 0 / 5 11 861.8 292.6 37 16318 -12 8 6 1 0 532
cf2 ETA2 7501 2012/03/13 17:53 213 -21 ( 6 ) -0.0 ( 10.2 ) 2 0 / 11 21 862.4 291.8 36 16249 -2 6 6 1 0 532
STRL 7501 2012/03/13 18:00 3 13 ( 18 ) 13.8 ( 4.2 ) 1 0 / 8 14 862.2 291.2 43 16251 -1 6 6 1 0 532
GL15 7501 2012/03/13 18:39 122 -29 ( 9 ) 194.9 ( 38.5 ) 1 0 / 9 13 862.6 292.5 36 16249 -1 6 6 1 0 532
LAG2 7501 2012/03/13 19:35 49 10 ( 3 ) 3.6 ( 1.9 ) 1 0 / 18 11 862.8 292.0 35 16249 -0 6 6 1 0 532
STRL 7501 2012/03/13 19:44 6 20 ( 7 ) 5.1 ( 2.9 ) 2 0 / 14 11 862.7 291.6 35 16249 -0 6 6 1 0 532
AJI1 7501 2012/03/13 22:00 7 12 ( 6 ) 7.1 ( 1.6 ) 1 0 / 17 18 863.0 289.9 42 16247 -4 6 6 1 0 532
STEL 7501 2012/03/13 22:20 1 38 ( 16 ) -------.- ( ----.- ) 4 0 / 5 9 863.1 291.0 37 16247 -4 6 6 1 0 532
LAG1 7501 2012/03/13 23:37 41 7 ( 3 ) 1.9 ( 1.2 ) 1 0 / 12 10 863.4 289.7 63 16243 -2 6 6 1 0 532
LAG2 7501 2012/03/13 23:45 46 16 ( 4 ) 4.6 ( 2.8 ) 1 0 / 12 9 863.4 290.2 70 16243 -2 6 6 1 0 532
STEL 7501 2012/03/13 23:59 1 2 ( 6 ) -------.- ( ----.- ) 1 0 / 5 9 863.4 288.8 68 16242 -0 6 6 1 0 532
AJI1 7501 2012/03/14 00:01 4 15 ( 9 ) 3.2 ( 8.2 ) 3 0 / 11 17 863.4 288.7 70 16242 -0 6 6 1 0 532
LAG2 7501 2012/03/14 04:05 24 17 ( 6 ) 18.2 ( 4.6 ) 1 0 / 10 12 864.7 287.1 91 16253 6 6 6 1 0 532
AJI1 7501 2012/03/14 04:11 6 -5 ( 4 ) 27.5 ( 2.7 ) 2 0 / 15 17 864.6 287.2 88 16253 6 6 6 1 0 532
cf0 AJI1 7501 2012/03/14 06:13 11 -59 ( 6 ) 16.9 ( 1.7 ) 3 0 / 24 15 865.8 294.1 63 16319 -1 5 6 1 0 532
LAG2 7501 2012/03/14 08:15 0 -121 ( ----- ) -------.- ( ----.- ) 0 0 / 1 12 865.3 298.2 45 16317 -2 6 6 1 0 532
AJI1 7501 2012/03/14 08:17 3 -49 ( 7 ) 8.7 ( 8.4 ) 2 0 / 8 16 865.2 298.5 46 16317 -2 6 6 1 0 532
STRL 7501 2012/03/14 09:00 6 -87 ( 3 ) -1.1 ( 0.8 ) 1 0 / 15 11 864.9 299.6 42 16317 -2 6 6 1 0 532
LAG1 7501 2012/03/14 09:37 37 -61 ( 3 ) -0.2 ( 2.0 ) 1 0 / 20 12 864.5 301.2 35 16316 2 6 6 1 0 532
STRL 7501 2012/03/14 10:50 4 -46 ( 9 ) 6.7 ( 4.1 ) 3 0 / 11 9 863.9 301.9 32 16319 1 6 6 1 0 532
LAG1 7501 2012/03/14 13:35 6 -61 ( 8 ) -------.- ( ----.- ) 2 0 / 4 9 861.9 305.5 20 16323 1 5 6 1 0 532
ETA2 7501 2012/03/14 17:23 18 -86 ( 11 ) -------.- ( ----.- ) 2 0 / 5 18 862.7 295.0 43 16321 -8 7 6 1 0 532
LAG2 7501 2012/03/14 17:57 15 -64 ( 7 ) 0.8 ( 16.0 ) 2 0 / 9 9 862.8 293.8 49 16316 -3 5 6 1 0 532
STRL 7501 2012/03/14 18:13 5 -68 ( 6 ) 7.1 ( 1.7 ) 1 0 / 12 9 863.0 293.7 47 16316 -3 5 6 1 0 532
AJI1 7501 2012/03/14 21:01 7 -42 ( 6 ) 4.3 ( 2.1 ) 2 0 / 16 18 864.1 293.5 53 16312 -0 6 6 1 0 532
cf2 STEL 7501 2012/03/15 23:04 6 -10 ( 6 ) 5.3 ( 1.4 ) 2 0 / 14 10 863.6 286.0 95 16242 2 6 6 1 0 532
LARS 7501 2012/03/15 23:13 8 1 ( 6 ) 15.3 ( 2.5 ) 2 0 / 17 10 863.6 286.1 96 16242 2 6 6 1 0 532
cf0 STRL 7501 2012/03/17 17:21 9 -71 ( 4 ) 1.4 ( 1.1 ) 2 0 / 21 9 860.6 290.8 59 16314 -6 6 6 1 0 532
GIOB 7501 2012/03/17 17:43 132 -1 ( 28 ) 141.5 ( 93.3 ) 3 0 / 16 11 861.4 291.2 52 16313 3 6 6 1 0 532
LAG2 7501 2012/03/17 19:59 54 -65 ( 2 ) 4.9 ( 1.2 ) 1 0 / 21 10 862.2 287.7 60 16315 4 7 6 1 0 532
AJI1 7501 2012/03/17 20:31 1 -53 ( 9 ) -------.- ( ----.- ) 2 0 / 5 18 862.2 287.7 62 16315 4 7 6 1 0 532
LAG1 7501 2012/03/17 21:47 29 -72 ( 2 ) 2.2 ( 2.1 ) 1 0 / 16 10 862.2 287.0 60 16315 6 6 6 1 0 532
AJI1 7501 2012/03/17 22:24 8 -50 ( 10 ) 1.1 ( 4.6 ) 4 0 / 19 19 862.1 284.9 73 16316 6 6 6 1 0 532
LARS 7501 2012/03/17 23:04 6 -80 ( 5 ) 15.4 ( 3.1 ) 2 0 / 14 11 862.0 284.3 71 16320 3 6 6 1 0 532
ETA1 7501 2012/03/17 23:28 3 -39 ( 13 ) -------.- ( ----.- ) 2 0 / 2 19 861.9 284.0 75 16320 3 6 6 1 0 532
STEL 7501 2012/03/17 23:51 5 -55 ( 3 ) 9.4 ( 1.0 ) 1 0 / 13 10 861.9 284.1 73 16320 3 6 6 1 0 532
LAG2 7501 2012/03/18 00:21 17 -33 ( 6 ) 20.9 ( 7.5 ) 1 0 / 10 11 862.0 285.1 75 16318 -3 6 6 1 0 532
LAG1 7501 2012/03/18 01:13 10 -63 ( 6 ) 3.2 ( 3.2 ) 0 0 / 7 11 862.1 285.1 64 16318 -3 6 6 1 0 532
GL15 7501 2012/03/18 01:26 128 -37 ( 9 ) 32.9 ( 28.4 ) 2 0 / 7 11 862.4 283.7 74 16313 -1 6 6 1 0 532
AJI1 7501 2012/03/18 04:37 6 -49 ( 10 ) -6.2 ( 3.6 ) 3 0 / 14 16 863.4 283.2 76 16322 6 6 6 1 0 532
LAG2 7501 2012/03/18 04:44 27 -64 ( 15 ) -2.3 ( 10.0 ) 3 0 / 5 13 863.5 285.3 68 16322 6 6 6 1 0 532
STRL 7501 2012/03/18 15:52 7 -83 ( 2 ) 18.7 ( 0.8 ) 1 0 / 17 11 863.0 298.3 25 16326 0 4 6 1 0 532
STRL 7501 2012/03/18 17:42 7 -49 ( 6 ) 11.4 ( 2.0 ) 2 0 / 13 10 863.7 289.9 54 16312 -4 6 6 1 0 532
LAG2 7501 2012/03/18 18:13 30 -45 ( 3 ) -6.4 ( 2.5 ) 1 0 / 17 10 864.1 289.0 55 16312 -4 6 6 1 0 532
AJI1 7501 2012/03/18 19:26 12 -37 ( 4 ) 3.0 ( 1.3 ) 2 0 / 26 20 864.6 288.8 53 16312 0 6 6 1 0 532
ETA1 7501 2012/03/18 19:42 133 -51 ( 7 ) -366.3 ( 110.7 ) 1 0 / 19 19 864.7 288.4 60 16313 0 6 6 1 0 532
LARS 7501 2012/03/18 20:03 4 -30 ( 3 ) 5.9 ( 2.9 ) 1 0 / 10 9 864.7 287.9 60 16312 0 6 6 1 0 532
AJI1 7501 2012/03/18 21:30 9 -58 ( 6 ) 6.5 ( 2.1 ) 2 0 / 20 19 864.7 290.4 56 16313 2 6 6 1 0 532
LARS 7501 2012/03/18 21:57 11 -52 ( 3 ) 6.9 ( 0.7 ) 1 0 / 25 10 864.9 288.7 65 16313 -3 6 6 1 0 532
LAG2 7501 2012/03/18 22:13 48 -65 ( 3 ) -0.3 ( 2.4 ) 2 0 / 25 10 865.1 287.1 68 16313 -3 6 6 1 0 532}From nobody Mon Oct 27 01:44:36 2014
Content-Disposition: attachment;
filename=”7501@JCET_QC_Mar.19.2012.rtf”
Content-Type: text/rtf;
name=”7501@JCET_QC_Mar.19.2012.rtf”
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f0fs20 cf0 #7501 Hartebeest 30302M003
# GOOD RAW PREC RANGE RANGE TIME TIME PASS EDIT CALIB+ CALIB CALIB++ STPASS TEMP HUM PRES WLEN S S D ELEVATION
# OBS RMS EST BIAS BIAS BIAS BIAS DUR OBS MEAN SDEV SHIFT RMS [K] % [hPa] [nm] C C R MAX MIN
# STA ID YY/MM/DD HH:MM SAT A [mm] [mm] [mm] SIGMA [us] SIGMA [MIN] [mm] [mm] [mm] [mm] H I F [degrees]
#
75010602 2012/03/12 02:25 L1 17 92.6 4.3 -92.5 4.7 -1.5 1.0 30 0 16318 E 7 -6 P 10 285.3 92.0 864.4 532.0 6 1 0 41.8 20.2
75010602 2012/03/12 09:17 L1 6 89.9 3.4 -89.8 4.2 -0.7 1.3 9 0 16321 E 6 -5 P 15 299.4 42.0 864.2 532.0 6 1 0 43.0 28.8
75010602 2012/03/13 00:55 L1 22 82.5 4.6 -81.6 1.6 -3.6 0.6 44 0 16320 E 5 -2 P 9 287.6 80.0 861.6 532.0 6 1 0 67.6 20.8
75010602 2012/03/13 10:59 L1 10 51.7 2.8 -51.6 2.4 1.6 1.1 18 0 16319 E 6 3 P 11 303.6 28.5 861.7 532.0 6 1 0 82.6 31.2
cf2 75010602 2012/03/13 23:37 L1 5 13.1 3.8 12.5 3.9 -0.4 1.4 7 0 16244 E 6 -4 P 9 289.9 55.0 863.4 532.0 6 1 0 49.6 30.8
75010602 2012/03/14 00:07 L1 7 11.4 1.1 -11.4 3.9 0.1 1.3 11 0 16242 E 6 0 P 10 289.5 68.0 863.4 532.0 6 1 0 50.6 22.6
cf0 75010602 2012/03/14 09:37 L1 9 54.7 5.2 -52.6 1.4 -3.4 0.7 37 0 16316 E 6 2 P 12 301.0 35.0 864.5 532.0 6 1 0 62.5 24.5
75010602 2012/03/14 13:35 L1 4 49.9 1.7 -49.8 3.4 -0.1 1.4 6 0 16323 E 5 1 P 9 305.4 20.0 861.9 532.0 6 1 0 29.1 23.7
75010602 2012/03/17 21:47 L1 10 54.2 1.3 -54.7 3.5 0.6 0.9 29 0 16315 E 6 6 P 10 286.8 60.0 862.1 532.0 6 1 0 36.0 20.7
75010602 2012/03/18 01:13 L1 7 76.3 1.1 -76.3 3.7 0.1 1.3 10 0 16318 E 6 -3 P 11 285.1 64.0 862.1 532.0 6 1 0 51.1 29.2

75010602 2012/03/12 08:17 L2 13 71.4 3.3 -71.3 3.6 2.8 1.1 23 0 16325 E 6 -2 P 12 298.6 45.0 864.7 532.0 6 1 0 53.5 27.5
75010602 2012/03/12 21:35 L2 10 67.2 1.8 -65.5 1.2 -1.5 0.7 46 0 16319 E 6 3 P 8 289.2 72.1 861.9 532.0 6 1 0 50.6 20.0
75010602 2012/03/13 01:55 L2 3 73.4 2.3 -73.1 3.6 0.0 1.3 7 0 16319 E 4 0 P 9 287.4 79.0 861.7 532.0 6 1 0 36.6 29.6
75010602 2012/03/13 06:09 L2 18 65.7 4.0 -65.5 1.2 7.6 0.8 34 0 16324 E 5 1 P 13 297.6 44.4 863.4 532.0 6 1 0 83.7 41.2
cf2 75010602 2012/03/13 19:35 L2 6 24.3 1.2 24.3 3.5 0.1 1.3 8 0 16249 E 6 0 P 11 291.9 35.0 862.7 532.0 6 1 0 39.8 23.6
75010602 2012/03/13 20:03 L2 12 24.4 4.7 24.0 2.6 -2.7 1.2 21 0 16249 E 6 0 P 11 292.0 35.0 862.8 532.0 6 1 0 58.0 21.5
75010602 2012/03/13 23:45 L2 5 5.5 3.0 -4.6 3.2 0.2 1.3 6 0 16244 E 6 -4 P 9 289.3 61.0 863.4 532.0 6 1 0 36.8 27.7
75010602 2012/03/14 00:21 L2 7 10.1 2.0 9.9 3.2 0.1 1.3 11 0 16242 E 6 0 P 9 290.8 76.0 863.3 532.0 6 1 0 35.8 20.7
75010602 2012/03/14 04:05 L2 9 9.9 5.9 -8.0 2.5 3.0 1.2 24 1 16253 E 6 6 P 12 287.1 90.6 864.7 532.0 6 1 0 56.3 24.2
cf0 75010602 2012/03/14 08:15 L2 1 --------- --------- ---------- --------- ------ ------ ---- 0 16317 E 6 -2 P 12 298.2 45.0 865.3 532.0 6 1 0 27.5 27.5
75010602 2012/03/14 17:57 L2 8 53.9 2.0 -54.2 2.8 0.1 1.3 15 0 16316 E 5 -3 P 9 293.8 49.0 862.8 532.0 6 1 0 27.1 23.2
75010602 2012/03/17 19:59 L2 10 66.3 2.7 -66.3 3.1 0.9 1.3 16 0 16315 E 7 4 P 9 288.3 56.0 862.1 532.0 6 1 0 58.9 21.6
75010602 2012/03/17 20:35 L2 19 56.3 2.4 -56.3 3.0 -0.2 1.3 52 0 16315 E 7 4 P 10 287.7 59.7 862.2 532.0 6 1 0 61.1 21.5
75010602 2012/03/18 00:21 L2 10 63.6 8.0 -63.1 2.9 3.1 1.3 17 0 16318 E 6 -3 P 11 285.1 75.0 862.0 532.0 6 1 0 41.4 29.3
75010602 2012/03/18 04:44 L2 3 84.4 4.7 -84.3 3.7 0.1 1.3 3 0 16322 E 6 6 P 13 283.0 80.0 863.4 532.0 6 1 0 52.6 46.0
75010602 2012/03/18 05:11 L2 2 56.1 1.4 -56.1 3.9 0.0 1.3 0 0 16322 E 6 6 P 13 288.7 51.0 863.7 532.0 6 1 0 50.6 48.8
75010602 2012/03/18 18:12 L2 18 19.7 4.3 -19.3 3.6 -2.5 1.1 31 0 16312 E 6 -4 P 9 289.0 55.0 864.1 532.0 6 1 0 42.3 22.0
75010602 2012/03/18 22:13 L2 3 71.2 2.9 -74.3 2.1 -2.8 0.9 48 0 16313 E 6 -3 P 11 287.2 68.0 865.1 532.0 6 1 0 27.6 22.5
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Dr. Erricos C. Pavlis Phone:+1 (410) 455-5832
Research Scientist FAX: +1 (410) 455-5868
US Mobile: +1-240-381-9879
EU Mobile: +30-694-241-5079

Chair, ILRS Analysis Working Group

Goddard Earth Science and Technology Center, (GEST/UMBC)
University of Maryland, Baltimore County & NASA Goddard
TRC #182
1000 Hilltop Circle
Baltimore, Maryland
U S A 21250 epavlis@umbc.edu

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Find more topics on the central web site of the Technical University of Munich: www.tum.de