International Laser Ranging Service

SLR Global Performance Report Card

July 1, 2006 through June 30, 2007

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		1000	400	100	1500
Yarragadee	7090	8854	1914	1328	12096	173336	25655	12662	211653	162822	4.7	8.5	9.3
Zimmerwald_423 Zimmerwald_846	7810	5778 5684	1210 1220	833 755	7821 7659	96256 93122	15734 17286	5531 4904	117521 115312	86334 85534	14.6 25.8	17.7 23.8	20.2 25.8
San_Juan	7406	5242	1145	1209	7596	75506	13178	6805	95489	82957	6.2	9.0	11.8
Graz	7839	5692	944	665	7301	115152	10827	5675	131654	79984	2.3	3.9	7.8
Wettzell	8834	5016	1137	653	6806	59510	9192	3405	72107	55365	5.0	14.7	18.9
Mount_Stromlo_2	7825	5052	1280	445	6777	64085	13287	3052	80424	64017	3.3	6.3	9.0
Riyadh	7832	4249	1051	824	6124	56838	9473	4764	71075	60905	8.1	10.8	14.9
Changchun	7237	4420	643	504	5567	54419	5226	2691	62336	39864	15.9	15.8	19.1
Herstmoncex	7840	3937	988	449	5374	62639	12768	2040	77447	52020	7.2	11.0	14.2
Monument_Peak	7110	3909	839	328	5076	76264	9182	3166	88612	55265	5.0	13.0	14.5
Matera_MLRO	7941	2718	900	239	3857	38874	10170	2120	51164	44154	2.2	4.7	5.4
Concepcion_847 Concepcion_423	7405	1970 114	907 33	179	3056 147	27766 1264	11399 304	1388	40553 1568	40376 1149	8.9	8.7	15.5
Hartebeesthoek	7501	2131	498	92	2721	31660	4884	707	37251	23385	6.0	8.0	9.4
San_Fernando	7824	2313	372	8	2693	35761	3027	61	38849	17578	4.8	11.7	16.2
Potsdam_3	7841	2182	356		2538	41737	4345		46082	20052	12.9	15.6	20.9
Simosato	7838	1844	492	4	2340	35490	7256	35	42781	26279	5.8	6.4	8.6
McDonald	7080	1439	443	308	2190	16240	3924	1265	21429	18924	9.9	12.0	11.9
Greenbelt	7105	1730	303	76	2109	38170	3231	478	41879	19001	4.8	8.9	9.3
Beijing	7249	1536	228	89	1853	20192	2093	622	22907	13975	7.0	11.8	16.5
Katzively	1893	1195	215	42	1452	20454	1801	238	22493	11298	34.3	44.5	42.3
Shanghai_2	7821	1290	112	10	1412	15995	1124	69	17188	7861	12.4	22.1	32.0
Arequipa	7403	964	101		1065	9751	716		10467	4799	5.0	7.3	6.5
Maidanak_1	1864	659	152	193	1004	7269	1220	774	9263	8623		58.8	61.3
Riga	1884	867	107	7	981	16182	1131	41	17354	6667	8.5	9.1	10.2
Haleakala	7119	804	172		976	12498	1909		14407	7979	4.8	10.1	10.7
Borowiec	7811	732	140	8	880	11591	1419	29	13039	6569	14.6	22.2	20.6
Koganei	7308	428	136	136	700	6785	1492	942	9219	10102	9.1	12.9	14.8
Simeiz	1873	428	105		533	4948	927		5875	3640		50.0	58.2
Papeete	7124	386	85		471	5629	752		6381	3287
Tanegashim	7358	222	40	26	288	3091	375	167	3633	2574	3.1	4.2	6.4
Lviv	1831	130	2		132	2270	13		2283	758	14.1	57.6	95.6
Helwan	7831	17			17	169			169	43	6.0
NRL	7865	9			9	131			131	10
Kiev	1824	1			1	12			12	6

 

 

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
McDonald	7080	60	98	6	31.2
Matera_MLRO	7941	1	2	2	54.1

 

 

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 quarter
  • the second AC column is the measure of short term bias stability, in millimeters, during the last quarter. 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 quarter is 10)
  • the third AC column is the measure of long term bias stability, in millimeter, 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				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
Baseline		10.0	20.0	20.0	95	10.0	20.0	20.0	95	10.0	20.0	20.0	95	10.0	20.0	20.0	95
Yarragadee	7090	2.6	25.6	4.4	100.0	1.8	8.0	1.4	100.0	2.1	12.9	7.1	98.9	2.1	14.5	2.2	96.0
Zimmerwald_423 Zimmerwald_846	7810	3.5 4.7	23.2 28.9	2.8 3.7	99.6 99.7	3.0 4.0	7.5 8.5	2.7 2.9	99.6 99.8	3.3 4.0	7.7 8.6	8.7 12.2	96.4 93.1	2.6 3.5	11.5 11.4	2.6 2.7	94.5 95.1
San_Juan	7406	3.2	32.6	6.1	99.9	2.3	21.1	4.7	99.9	3.7	17.6	5.7	99.8	2.8	24.0	6.5	96.3
Graz	7839	1.6	22.8	4.4	100.0	1.1	6.0	1.1	100.0	1.8	7.1	3.7	99.7	1.3	14.4	2.1	96.5
Wettzell	8834	3.6	31.0	3.0	99.9	3.2	14.2	1.7	99.9	2.8	14.2	9.1	98.1	2.6	19.5	2.6	95.8
Mount_Stromlo_2	7825	3.6	28.9	7.3	99.9	3.3	9.5	1.8	99.9	3.9	15.2	3.2	94.5	2.9	16.7	2.5	95.7
Riyadh	7832	3.4	34.1	5.6	100.0	3.3	12.4	3.7	100.0	3.6	16.8	4.7	96.5	3.0	27.4	4.1	96.5
Changchun	7237	7.4	38.1	11.1	99.6	7.2	26.8	7.5	99.9	7.3	22.7	15.9	95.2	6.0	27.9	7.6	95.3
Herstmoncex	7840	2.2	19.8	10.5	100.0	1.6	8.2	5.2	100.0	2.5	7.6	6.3	99.3	1.8	12.6	3.9	97.0
Monument_Peak	7110	2.9	30.2	5.0	100.0	2.2	10.3	1.5	100.0	2.4	15.9	3.7	98.5	2.0	15.8	2.6	94.6
Matera_MLRO	7941	2.3	26.0	10.7	99.9	1.9	10.0	11.6	99.8	2.4	12.3	9.9	97.4	2.3	28.5		97.8
Concepcion_423 Concepcion_847	7405	2.4	28.2	4.9	100.0	1.6	10.8	3.9	100.0	2.9	13.5	5.5	100.0	2.2	24.1		97.4
Hartebeesthoek	7501	2.0	40.3	18.5	99.9	1.7	12.7	3.0	100.0	1.9	16.8	4.0	98.6	1.8	24.7	5.3	97.5
San_Fernando	7824	3.8	28.2	19.5	100.0	4.3	14.9	9.8	99.8	4.7	16.7	13.0	99.2	3.7	25.6	12.6	95.4
Potsdam_3	7841	5.8	24.0	14.4	99.9	4.3	9.8	3.9	99.8	3.9	8.9	12.1	91.4
Simosato	7838	4.5	31.9	11.3	100.0	3.0	14.2	5.9	100.0	4.3	14.4	4.0	99.7	3.8	20.2	6.9	94.8
McDonald	7080	3.2	33.7	4.9	99.9	2.3	13.0	3.6	99.8	2.8	14.8	7.0	96.4	2.3	18.3	4.5	95.3
Greenbelt	7105	2.4	27.6	7.0	99.9	1.6	12.4	5.6	99.9	2.2	17.6	11.6	98.9	1.7	17.7	4.5	93.9
Beijing	7249	7.9	37.1	25.6	98.7	7.3	26.8	7.2	98.6	7.7	26.8	20.3	97.2	6.0	27.2	9.1	96.0
Katzively	1893	11.0	39.7	20.2	99.3	8.7	20.2	6.6	98.5	8.3	20.3	5.1	90.9	8.4	23.0	26.5	92.5
Arequipa	7403	3.1	48.2		100.0	2.3	19.8	9.3	100.0	3.0	17.4	11.5	95.6	2.3	27.7		96.9
Maidanak_1	1864	17.1	47.6	27.9	92.4	20.2	17.5	12.2	95.1	19.7	22.7	11.3	83.6	15.8	26.2		86.2
Riga	1884	4.1	30.7	27.9	99.8	2.8	15.9	15.8	100.0	5.8	17.1	21.5	99.6	4.2	21.7	10.5	94.4
Haleakala	7119	3.1	29.7		99.8	2.0	14.5		99.9					5.9	21.8		91.3
Borowiec	7811	6.4	20.2	16.6	99.9	5.9	6.5	7.7	100.0	5.7	8.1	7.3	98.1	3.8	14.2	7.6	92.4
Koganei	7308	4.5	32.0	19.9	100.0	4.0	17.4	18.5	100.0	4.5	20.4	15.3	98.3	3.6	29.5	18.2	96.2
Simeiz	1873	16.6	62.3	61.2	53.3	74.1	46.2	42.2	97.1					33.5	23.2	29.7	64.8
Tanegashim	7358	2.6	22.8		100.0	1.7	20.8	13.6	100.0