International Laser Ranging Service

SLR Global Performance Report Card

October 1, 2016 through September 30, 2017

The performance report card is divided into three tables for readability. Table 1 contains performance parameters based on data volume, on-site processing statistics and operational compliance issues. Table 1 L contains information about Lunar Laser Ranging during the past year. Table 2 contains performance parameters based on various Analysis Centers' rapid orbital analysis results.

Below are the detailed descriptions of each column in Table 1 plots of the columns are linked in this description and in Table 1:

• Column 1 is the station location name.
• Column 2 is the monument marker number.
• Column 3 is the LEO pass total during the past 12 months.
• Column 4 is the LAGEOS pass total during the past 12 months.
• Column 5 is the high satellite pass total during the past 12 months.
• Column 6 is the pass total (i.e., all satellites) during the past 12 months.
• Column 7 is the LEO NP total during the past 12 months.
• Column 8 is the LAGEOS NP total during the past 12 months.
• Column 9 is the high satellite NP total during the past 12 months.
• Column 10 is the NP total (i.e., all satellites) during the past 12 months.
• Column 11 is the total tracking minutes (i.e., all satellites) during the past 12 months. This is computed by the summation of the number of normal points multiplied by its bin size in minutes.
• Column 12 is the average single-shot calibration RMS, in millimeters, during the last quarter.
• Column 13 is the average single-shot Starlette RMS, in millimeters, during the last quarter.
• Column 14 is the average single-shot LAGEOS RMS, in millimeters, during the last quarter.

The first entry in each table is for the performance baseline goal. Note: There are no baseline goals for NP data quantities, single shot RMS's.

Additional Notes: Blanks in any columns implies either that there was no data or that there was insufficient data. Only stations that have supplied data within the last year are included in the table. The table is sorted in descending order by total passes.

Table 1

Site Information		Data Volume									Data Quality
Column 1	2	3	4	5	6	7	8	9	10	11	12	13	14
Location	Station Number	LEO pass Tot	LAGEOS pass Tot	High pass Tot	Total passes	LEO NP Total	LAGEOS NP Total	High NP Total	Total NP	Minutes of Data	Cal. RMS	Star RMS	LAG RMS
Baseline		2300	600	3000	3500
Yarragadee	7090	15795	2772	9505	28072	303751	26514	35997	366262	200245	5.2	7.3	7.8
Changchun	7237	8732	977	6148	15857	72855	6096	17344	96295	49120	6.2	7.6	9.8
Mount_Stromlo_2	7825	6776	1255	3361	11392	101382	10278	12041	123701	80931	3.4	4.4	7.5
Herstmonceux	7840	4633	814	3669	9116	64055	8896	11252	84203	53705	3.4	9.2	13.2
Zimmerwald_532	7810	5503	860	2643	9006	95419	12362	9044	116825	80269	6.8	9.2	12.8
Matera_MLRO	7941	3845	1494	2713	8052	44818	13319	12354	70491	64669	.8	2.4	3.6
Graz	7839	3670	587	2845	7102	75543	4122	14000	93665	47719	2.1	3.4	5.1
Wettzell	8834	3894	535	2621	7050	34869	3268	9957	48094	28696	7.2	9.2	13.0
Greenbelt	7105	4692	782	798	6272	89222	7631	3351	100204	59383	1.8	5.4	8.4
Monument_Peak	7110	4649	641	886	6176	83140	4874	2531	90545	49099	4.8	7.6	11.3
Shanghai_2	7821	2217	440	2300	4957	18766	4329	9201	32296	22840	6.9	8.6	7.3
Potsdam_3	7841	3869	406	474	4749	67380	3760	2569	73709	38838	6.9	10.7	12.3
Wettzell_SOSW	7827	1793	416	2409	4618	15057	2244	7061	24362	13258	7.5	10.1	10.0
Hartebeesthoek	7501	2807	731	753	4291	42078	5903	3372	51353	38588	5.9	13.0	14.3
Haleakala	7119	2486	597	1	3084	37938	4978	3	42919	32862	5.1	8.6	11.4
Altay	1879	266	241	2245	2752	2931	1386	8726	13043	6224		29.8	31.2
Komsomolsk	1868	200	185	2163	2548	2303	1045	7603	10951	4741		35.9	35.1
Arequipa	7403	2352	113		2465	28371	620		28991	17481	6.7	8.5	8.2
Badary	1890	2054	137	111	2302	22749	691	388	23828	10912		29.2	27.2
Beijing	7249	1051	141	970	2162	8707	855	3398	12960	7444	11.8	15.4	19.9
Brasilia	7407	553	405	1126	2084	1870	1389	4025	7284	5313	31.2	22.8	28.6
Simeiz	1873	1724	223	109	2056	19338	1521	536	21395	14444	25.0	9.2	11.9
Katzively	1893	1774	182	77	2033	18450	1227	447	20124	12991	25.9	10.5	9.7
Papeete	7124	1210	204	506	1920	20543	1737	2469	24749	15017	6.5	7.9	9.3
Simosato	7838	1436	408	26	1870	23799	6792	142	30733	35744	4.3	10.6	12.8
Baikonur	1887	107	372	1335	1814	635	1474	4903	7012	4966		36.8	31.8
Arkhyz	1886	629	259	836	1724	4811	1046	2793	8650	5953		32.0	34.1
Zelenchukskya	1889	932	225	283	1440	9909	1638	974	12521	10085		21.2	35.4
Irkutsk	1891	573	174	326	1073	5320	1437	751	7508	7472	-0.1	29.4	35.3
Grasse_MEO	7845	565	360	15	940	15083	4041	759	19883	19531	10.4	12.9	16.3
Riga	1884	805	60	38	903	14891	464	185	15540	7159	7.5	6.7	20.2
Sejong	7394	644	75	11	730	7634	646	47	8327	7403	3.8	8.8	11.7
Borowiec	7811	553	82	14	649	9960	838	63	10861	7253	11.4	20.2	15.3
Mendeleevo	1874	191	85	328	604	3533	1272	1091	5896	5182	-0.1	36.9	34.3
Kiev	1824	334	5		339	2314	17		2331	1531	13.3	20.5	37.5
McDonald	7080	302	28	6	336	2003	81	18	2102	1413	9.8	13.1	15.4
Svetloe	1888	251	23	9	283	2818	145	35	2998	1357

 

 

---

Below are the detailed descriptions of each column in Table 1 L:

• the first column, L1, is the station location name.
• the second column, L2, is the monument marker number.
• the third column, L3, is the number of nights during the past 12 months in which there were Lunar ranging measurements
• the fourth column, L4, is the number of Lunar Laser Ranging normal points during the past 12 months
• the fifth column, L5, is the number of Lunar Laser Ranging normal points during the past 3 months
• the sixth column, L6, is the average Lunar Laser Ranging normal points rms 3 months in mm

 

Table 1 L

Site Information		Data Information
Column L1	L2	L3	L4	L5	L6
Location	Station Number	num nights tracking last 12 mon	num npt last 12 mon	num npts last 3 mon	ave npt rms last 3 mon
Grasse_MEO	7845	309	1093	280	29.4
Matera_MLRO	7941	10	22	18	42.4

 

---

 

Below are the detailed descriptions of each column in Table 2:

• the first column is the station location name.
• the second column is the monument marker number.
• following columns are in grouped by analysis center with four columns for each
• the first AC column is the average LAGEOS normal point RMS, in millimeters, during the last 3 months
• the second AC column is the measure of short term bias stability, in millimeters, during the last 3 months. The short term stability is computed as the standard deviation about the mean of the pass-by-pass range biases (minimum number of passes in the last 3 months is 10)
• the third AC column is the measure of long term bias stability, in millimeters, during the past year. The long term stability is the standard deviation of the monthly range bias estimates. A station must have tracked LAGEOS (1,2) in at least 8 of the last 12 months in order to compute this metric.
• the fourth AC column is the percentage of LAGEOS normal points that were accepted in the analysis.

The first entry in each table is for the performance baseline goal.

Additional Notes: Blanks in any columns implies either that there was no data or that there was insufficient data. Only stations that have supplied data within the last year are included in the table. The table is sorted in descending order by total data volume.

 

Table 2

Site Information		DGFI Orbital Analysis				Hitotsubashi Univ. Orbital Analysis				JCET Orbital Analysis				MCC Orbital Analysis				SHAO Orbital Analysis
Station Location	Station Number	LAG NP RMS (mm)	short term (mm)	long term (mm)	% good LAG. NP	LAG NP RMS (mm)	short term (mm)	long term (mm)	% good LAG. NP	LAG NP RMS (mm)	short term (mm)	long term (mm)	% good LAG. NP	LAG NP RMS (mm)	short term (mm)	long term (mm)	% good LAG. NP	LAG NP RMS (mm)	short term (mm)	long term (mm)	% good LAG. NP
Baseline		10.0	20.0	10.0	95	10.0	20.0	10.0	95	10.0	20.0	10.0	95	10.0	20.0	10.0	95	10.0	20.0	10.0	95
Yarragadee	7090	3.3	15.3	1.7	100.0	2.2	6.6	0.9	100.0	2.5	18.2	4.5	99.3	2.7	20.9	2.7	97.9	2.0	10.2	1.4	92.0
Changchun	7237	3.7	17.7	3.5	99.8	2.7	19.0	5.0	100.0	1.6	18.9	11.0	98.9	3.2	16.0	7.7	98.0	1.5	25.8	15.5	90.3
Mount_Stromlo_2	7825	3.0	14.8	4.3	100.0	2.2	6.9	3.8	100.0	2.4	15.1	6.5	100.0	2.7	23.7	4.9	97.7	1.7	12.7	2.3	96.0
Herstmonceux	7840	1.6	10.3	2.2	100.0	1.0	6.3	1.4	100.0	0.9	9.9	3.5	100.0	1.5	10.3	2.4	99.8	0.8	7.1	2.4	97.7
Zimmerwald_532	7810	2.5	12.4	6.2	99.9	1.6	8.1	3.2	100.0	1.5	12.3	6.4	98.8	2.4	18.6	3.1	96.6	1.4	12.4	3.3	93.8
Matera_MLRO	7941	1.8	12.3	4.9	100.0	1.0	6.6	3.6	100.0	1.1	14.5	5.4	99.9	2.0	17.4	3.9	99.7	0.9	14.3	4.7	96.1
Graz	7839	1.6	9.0	4.1	100.0	1.2	5.9	2.4	100.0					1.5	7.2	2.9	98.5	0.6	9.7	3.1	96.3
Wettzell	8834	2.4	8.7	9.7	100.0	2.1	5.8	9.5	100.0	1.6	12.8	9.7	100.0	2.2	7.8	7.8	99.4	1.4	9.7	9.1	92.9
Greenbelt	7105	2.7	13.6	6.8	99.7	1.7	7.1	5.1	100.0	1.7	14.0	4.1	99.2	2.0	16.3	5.2	98.9	2.0	15.4	5.4	91.0
Monument_Peak	7110	3.9	10.1	3.2	99.7	2.6	7.8	4.7	100.0	2.3	13.2	9.3	98.3	2.8	14.9	3.0	97.3	1.7	13.4	5.1	86.9
Shanghai_2	7821	2.2	20.1	4.5	99.8	1.0	15.1	4.0	100.0	1.2	20.8	10.9	100.0	1.9	19.7	7.0	99.8	1.0	16.9	6.0	96.5
Potsdam_3	7841	2.9	10.0	5.6	100.0	2.0	8.9	4.7	100.0	1.5	13.1	4.0	100.0	2.3	12.5	4.2	98.2	1.4	14.9	4.2	94.6
Wettzell_SOSW	7827	1.8	9.0	4.1	99.8	1.3	7.0	5.7	100.0	1.1	10.7	8.1	100.0	1.5	9.9	5.1	97.3
Hartebeesthoek	7501	3.8	15.0	9.3	100.0	2.1	7.8	3.0	100.0	2.1	9.6	5.0	100.0	2.2	21.3	5.3	98.4	2.6	18.1	5.3	92.5
Haleakala	7119	5.6	22.8	10.0	99.3	3.1	9.8	3.7	100.0	3.2	17.3	3.0	95.5	4.3	20.1	4.4	98.2	3.4	20.8	12.7	91.0
Altay	1879	4.5	13.5	14.1	99.8	3.0	17.8	18.9	100.0					3.1	22.7	12.6	99.2	1.3	19.2	16.2	93.8
Komsomolsk	1868	9.2	25.6	24.9	99.5	8.5	24.5	22.4	100.0					7.0	43.5	11.1	93.4	5.8	16.6		92.0
Arequipa	7403	5.4	15.9	19.6	98.8	2.9	11.5	25.4	100.0	2.8	11.4	24.4	96.5	7.7	35.7	27.9	99.0
Badary	1890	5.9	11.9	7.3	100.0	5.1	14.0	13.4	100.0					4.2	26.4	13.0	93.3	4.5	26.0	12.5	95.3
Beijing	7249	8.0	14.8	16.6	97.2	10.8	14.3	13.4	100.0					6.3	15.6	15.2	93.5	5.5	20.4	14.4	91.9
Brasilia	7407	5.1	28.3	11.3	99.9	4.3	22.0	5.8	100.0	2.0	29.5	15.1	99.0	5.8	29.0	9.8	97.7
Simeiz	1873	21.6	37.5	25.2	93.6	21.8	35.9	32.3	100.0	4.7	35.5	17.0	55.1	20.7	36.1	29.5	93.0
Katzively	1893	12.0	16.1	14.1	99.6	8.6	14.5	13.2	100.0	4.6	16.8	13.2	83.0	7.7	20.4	11.3	90.1	8.9	17.4	15.4	95.7
Papeete	7124	3.6	13.4	9.9	100.0	2.3	8.2	6.3	100.0	2.4	13.2	7.7	99.7	3.2	30.2	7.9	99.2	2.2	9.7	5.6	97.1
Simosato	7838	5.5	13.4	14.3	100.0	3.1	9.5	15.4	100.0	3.6	14.4	20.4	97.6	10.4	21.3	3.4	99.8	5.7	19.9	8.6	95.5
Baikonur	1887	7.5	17.3	26.3	99.8	6.1	19.0	14.5	100.0	3.6	21.2	12.5	95.8	5.9	25.6	7.0	95.7	2.8	25.0	14.1	96.7
Arkhyz	1886	7.1	25.9	19.8	100.0	5.0	23.9	21.9	100.0	3.1	28.1	22.3	100.0	4.9	31.3	14.3	97.2	3.3	21.7	18.1	96.8
Zelenchukskya	1889	6.2	14.4	11.6	99.8	5.9	13.7	10.3	100.0	3.7	16.0	24.0	97.4	5.7	19.6	8.8	98.0	3.7	15.7	5.8	93.9
Irkutsk	1891	6.6	12.6	7.6	99.3	5.2	14.1	8.6	100.0	3.4	20.4		92.8	4.8	15.2		96.9
Grasse_MEO	7845	3.6	9.5	8.9	100.0	2.7	11.7	11.5	100.0	2.7	26.3	10.4	99.5	2.7	18.7	5.2	98.0	2.3	22.4	5.9	92.9
Riga	1884	11.1	27.9	30.1	100.0	7.1	36.1	30.6	100.0
Sejong	7394													2.4	14.2	27.1	100.0
Borowiec	7811	3.8	9.1	11.5	100.0	2.7	12.1	13.9	100.0					3.1	10.2	6.8	100.0	3.6	14.2		94.9
Mendeleevo	1874	6.8	14.0	7.4	100.0	3.9	13.7	10.9	100.0					4.8	21.1	6.9	99.2