Validation CAMS Radiation BSRN

Validation CAMS Radiation Service - BSRN stations

Statistics of current version 4.0

Validation of CAMS Radiation
(2004 - 2020) against the measurements of 19 BSRN stations

 

 

Date of the validation: June 2021
CAMS Radiation version: 4.0 (current)
Network: Baseline Surface Radiation Network (BSRN). See whole list of BSRN stations.
Number of stations: 19 (see Table 1), located in the Meteosat Second Generation Prime satellite.
Original time step and radiation components: 1 min GHI and DNI
Author: Laurent Saboret, TRANSVALOR
Publication: -

 

Illustration: list of the BSRN stations used for the validation =>

         

BSRN stations used in this validation

(Table 1: in decreasing latitudes)

Station Code Country Latitude Longitude Altitude (m) Period Type of Climate
Lerwick LER Scotland 60.139 -1.185 80 2004-02-01 to 2017-12-31 Oceanic
Toravere TOR Estonia 58.254 26.462 70 2004-02-01 to 2020-12-31 Continental
Lindenberg LIN Germany 52.210 14.122 125 2004-02-01 to 2017-12-31 Continental
Cabauw CAB The Netherlands 51.971 4.927 0 2005-01-01 to 2020-12-31 Oceanic
Camborne CAM United Kingdom 50.217 -5.317 88 2004-02-01 to 2017-12-31 Oceanic
Palaiseau PAL France 48.713 2.208 156 2004-02-01 to 2019-12-31 Continental
Sonnblick SON Austria 47.054 12.958 3109 2013-01-01 to 2020-12-31 Montaneous
Payerne PAY Switzerland 46.815 6.944 491 2004-02-01 to 2020-12-31 Continental
Carpentras CAR France 44.083 5.059 100 2004-02-01 to 2018-12-31 Mediterranean
Cener CEN Spain 42.816 -1.601 471 2009-01-01 to 2020-12-31 Oceanic
Eastern North Atlantic, Azores ENA Spain 39.091 -28.029 15 2013-01-01 to 2015-12-31 Oceanic
Sede Boqer SBO Israel 30.860 34.779 500 2004-02-01 to 2012-12-31 Desertic
Tamanrasset TAM Algeria 22.790 5.529 1385 2004-02-01 to 2020-12-31 Desertic
Petrolina PTR Brazil -9.068 -40.319 387 2007-01-01 to 2019-12-31 Subtropical
Brasilia BRB Brazil -15.601 -47.713 1023 2006-01-01 to 2019-12-31 Subtropical
Gobabeb GOB Namibia -23.561 15.042 407 2012-01-01 to 2020-12-31 Desertic
Florianopolis FLO Brasilia -27.605 -48.523 11 2004-02-01 to 2020-12-31 Subtropical
Sao Martinho da Serra SMS Brasilia -29.443 -53.823 489 2006-01-01 to 2019-12-31 Subtropical
De Aar DAA South Africa -30.667 23.993 1287 2004-02-01 to 2020-12-31 Desertic

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GHI and DNI CAMS Radiation validation results - monthly, daily, hourly and 15 min sampling rates

(Click on the following link to show the corresponding statistics)

Monthly GHI

CAMS-Radiation -- GHI Quality assessment results vs. the stations
MONTHLY IRRADIATION
Station Number of values Mean
station
(kWh/m2)		 Bias
(kWh/m2)
(relative in %)		 STDEV
(kWh/m2)
(relative in %)		 RMSE
(kWh/m2)
(relative in %)		 Correl. coeff.
Lerwick 119 68.14 -2.80 (-4.11%) 3.91 (5.74%) 4.81 (7.06%) 0.998
Toravere 194 71.48 -3.09 (-4.32%) 3.65 (5.11%) 4.78 (6.69%) 0.999
Lindenberg 167 89.22 0.79 (0.89%) 3.25 (3.64%) 3.34 (3.74%) 0.999
Cabauw 183 87.50 1.20 (1.37%) 2.63 (3.00%) 2.89 (3.30%) 0.999
Camborne 117 90.34 1.89 (2.10%) 3.13 (3.46%) 3.66 (4.05%) 0.999
Palaiseau 164 97.59 1.72 (1.77%) 3.11 (3.19%) 3.56 (3.65%) 0.999
Sonnblick 86 97.31 -9.25 (-9.50%) 17.17 (17.64%) 19.50 (20.04%) 0.941
Payerne 191 101.37 3.43 (3.38%) 2.97 (2.93%) 4.53 (4.47%) 0.999
Carpentras 175 128.09 2.92 (2.28%) 2.75 (2.15%) 4.01 (3.13%) 0.999
Cener 130 117.02 2.60 (2.22%) 3.88 (3.31%) 4.67 (3.99%) 0.998
ENA, Azores 12 119.49 -3.99 (-3.34%) 2.39 (2.00%) 4.66 (3.90%) 0.999
Sede Boqer 100 168.15 -8.12 (-4.83%) 4.71 (2.80%) 9.38 (5.58%) 0.997
Tamanrasset 195 169.86 -5.77 (-3.40%) 4.52 (2.66%) 7.33 (4.31%) 0.993
Petrolina 112 148.83 11.51 (7.73%) 5.05 (3.39%) 12.57 (8.45%) 0.987
Brasilia 100 144.24 8.14 (5.64%) 7.63 (5.29%) 11.15 (7.73%) 0.964
Gobabeb 96 197.92 -6.97 (-3.52%) 3.31 (1.67%) 7.71 (3.90%) 0.998
Florianopolis 76 128.27 4.15 (3.23%) 4.48 (3.49%) 6.11 (4.76%) 0.995
Sao Martinho da Serra 126 136.59 -0.34 (-0.25%) 3.59 (2.62%) 3.60 (2.64%) 0.998
De Aar 75 175.13 -1.66 (-0.95%) 3.90 (2.23%) 4.24 (2.42%) 0.998

Daily GHI

CAMS-Radiation -- GHI Quality assessment results vs. the stations
DAILY IRRADIATION
Station Number of values Mean
station
(Wh/m2)		 Bias
(Wh/m2)
(relative in %)		 STDEV
(Wh/m2)
(relative in %)		 RMSE
(Wh/m2)
(relative in %)		 Correl. coeff.
Lerwick 3245 2505.71 -101.33 (-4.04%) 474.78 (18.95%) 485.47 (19.37%) 0.972
Toravere 5027 2674.08 -107.92 (-4.04%) 352.27 (13.17%) 368.44 (13.78%) 0.989
Lindenberg 5060 2942.74 26.20 (0.89%) 296.19 (10.07%) 297.35 (10.10%) 0.991
Cabauw 5490 2907.51 39.84 (1.37%) 264.67 (9.10%) 267.65 (9.21%) 0.993
Camborne 3499 3026.66 63.69 (2.10%) 355.42 (11.74%) 361.08 (11.93%) 0.987
Palaiseau 4941 3234.17 59.69 (1.85%) 300.40 (9.29%) 306.27 (9.47%) 0.991
Sonnblick 2202 3660.26 -336.19 (-9.18%) 985.12 (26.91%) 1040.91 (28.44%) 0.884
Payerne 5673 3381.15 115.06 (3.40%) 328.77 (9.72%) 348.32 (10.30%) 0.991
Carpentras 5228 4293.05 97.75 (2.28%) 261.75 (6.10%) 279.41 (6.51%) 0.994
Cener 3814 3953.04 89.59 (2.27%) 326.43 (8.26%) 338.50 (8.56%) 0.991
ENA, Azores 383 3880.43 -140.88 (-3.63%) 357.19 (9.20%) 383.97 (9.90%) 0.986
Sede Boqer 2927 5698.56 -271.94 (-4.77%) 406.25 (7.13%) 488.86 (8.58%) 0.981
Tamanrasset 5296 5930.07 -189.59 (-3.20%) 396.68 (6.69%) 439.66 (7.41%) 0.962
Petrolina 3136 5408.62 421.48 (7.79%) 371.11 (6.86%) 561.57 (10.38%) 0.960
Brasilia 2863 5195.37 272.11 (5.24%) 551.71 (10.62%) 615.17 (11.84%) 0.915
Gobabeb 2877 6599.24 -232.25 (-3.52%) 228.38 (3.46%) 325.73 (4.94%) 0.991
Florianopolis 2305 4294.39 142.47 (3.32%) 449.82 (10.47%) 471.84 (10.99%) 0.976
Sao Martinho da Serra 3792 4671.31 -12.81 (-0.27%) 390.59 (8.36%) 390.80 (8.37%) 0.986
De Aar 2252 5823.48 -51.71 (-0.89%) 351.19 (6.03%) 354.98 (6.10%) 0.987

Hourly GHI

CAMS-Radiation -- GHI Quality assessment results vs. the stations
HOURLY IRRADIATION
Station Number of values Mean
station
(Wh/m2)		 Bias
(Wh/m2)
(relative in %)		 STDEV
(Wh/m2)
(relative in %)		 RMSE
(Wh/m2)
(relative in %)		 Correl. coeff.
Lerwick 35437 229.46 -9.32 (-4.06%) 73.49 (32.03%) 74.08 (32.28%) 0.924
Toravere 50104 262.63 -10.14 (-3.86%) 64.93 (24.72%) 65.72 (25.02%) 0.954
Lindenberg 51596 288.40 2.54 (0.88%) 58.51 (20.29%) 58.57 (20.31%) 0.966
Cabauw 56428 283.05 3.87 (1.37%) 55.25 (19.52%) 55.39 (19.57%) 0.969
Camborne 36920 286.98 6.01 (2.10%) 62.83 (21.89%) 63.11 (21.99%) 0.963
Palaiseau 51966 307.53 5.62 (1.83%) 58.47 (19.01%) 58.74 (19.10%) 0.969
Sonnblick 22911 355.58 -33.41 (-9.40%) 140.05 (39.39%) 143.98 (40.49%) 0.827
Payerne 59482 321.06 11.18 (3.48%) 61.76 (19.24%) 62.77 (19.55%) 0.971
Carpentras 56196 399.32 9.10 (2.28%) 48.96 (12.26%) 49.79 (12.47%) 0.984
Cener 41417 365.60 8.27 (2.26%) 61.48 (16.82%) 62.03 (16.97%) 0.974
ENA, Azores 4191 359.69 -13.63 (-3.79%) 64.09 (17.82%) 65.53 (18.22%) 0.969
Sede Boqer 30013 557.40 -26.57 (-4.77%) 73.55 (13.20%) 78.20 (14.03%) 0.968
Tamanrasset 59993 540.52 -17.83 (-3.30%) 65.04 (12.03%) 67.44 (12.48%) 0.979
Petrolina 34248 499.64 38.69 (7.74%) 79.17 (15.84%) 88.11 (17.64%) 0.966
Brasilia 32098 471.50 28.12 (5.96%) 123.67 (26.23%) 126.82 (26.90%) 0.912
Gobabeb 31849 596.16 -20.98 (-3.52%) 38.74 (6.50%) 44.06 (7.39%) 0.992
Florianopolis 25488 388.30 13.33 (3.43%) 88.13 (22.70%) 89.13 (22.95%) 0.954
Sao Martinho da Serra 41804 424.79 -1.21 (-0.29%) 75.85 (17.86%) 75.86 (17.86%) 0.969
De Aar 23857 550.15 -4.78 (-0.87%) 56.47 (10.26%) 56.67 (10.30%) 0.983

15 min GHI

CAMS-Radiation -- GHI Quality assessment results vs. the stations
15 MIN IRRADIATION
Station Number of values Mean
station
(Wh/m2)		 Bias
(Wh/m2)
(relative in %)		 STDEV
(Wh/m2)
(relative in %)		 RMSE
(Wh/m2)
(relative in %)		 Correl. coeff.
Lerwick 131306 62.16 -2.53 (-4.07%) 23.33 (37.54%) 23.47 (37.76%) 0.881
Toravere 187324 74.03 -3.20 (-4.32%) 22.93 (30.97%) 23.15 (31.27%) 0.916
Lindenberg 192695 77.32 0.69 (0.89%) 21.06 (27.24%) 21.08 (27.26%) 0.931
Cabauw 209055 76.59 1.05 (1.37%) 20.22 (26.39%) 20.24 (26.43%) 0.935
Camborne 136859 77.53 1.62 (2.09%) 21.19 (27.33%) 21.25 (27.41%) 0.933
Palaiseau 193587 82.68 1.52 (1.84%) 21.42 (25.91%) 21.48 (25.98%) 0.935
Sonnblick 86432 98.02 -9.39 (-9.58%) 40.79 (41.61%) 41.86 (42.70%) 0.769
Payerne 220523 88.14 2.97 (3.37%) 21.30 (24.17%) 21.51 (24.40%) 0.946
Carpentras 209740 107.06 2.44 (2.28%) 16.74 (15.63%) 16.91 (15.80%) 0.968
Cener 153625 99.02 2.20 (2.22%) 21.60 (21.82%) 21.72 (21.93%) 0.947
ENA, Azores 15776 97.72 -3.97 (-4.06%) 22.17 (22.69%) 22.53 (23.05%) 0.938
Sede Boqer 116611 145.94 -7.05 (-4.83%) 22.02 (15.09%) 23.12 (15.84%) 0.948
Tamanrasset 224732 147.39 -5.01 (-3.40%) 21.85 (14.83%) 22.42 (15.21%) 0.957
Petrolina 130123 133.68 10.27 (7.68%) 27.80 (20.80%) 29.63 (22.17%) 0.923
Brasilia 121842 126.50 7.65 (6.05%) 40.62 (32.11%) 41.33 (32.67%) 0.846
Gobabeb 120192 158.08 -5.56 (-3.52%) 12.87 (8.14%) 14.02 (8.87%) 0.985
Florianopolis 95588 103.81 3.60 (3.46%) 28.54 (27.50%) 28.77 (27.71%) 0.923
Sao Martinho da Serra 156411 114.24 -0.32 (-0.28%) 26.02 (22.78%) 26.03 (22.78%) 0.940
De Aar 90232 146.38 -1.25 (-0.86%) 20.32 (13.88%) 20.36 (13.91%) 0.961

Monthly DNI

CAMS-Radiation -- DNI Quality assessment results vs. the stations
MONTHLY IRRADIATION
Station Number of values Mean
station
(kWh/m2)		 Bias
(kWh/m2)
(relative in %)		 STDEV
(kWh/m2)
(relative in %)		 RMSE
(kWh/m2)
(relative in %)		 Correl. coeff.
Lerwick 95 43.64 -1.83 (-4.19%) 6.09 (13.95%) 6.36 (14.56%) 0.979
Toravere 194 75.17 -7.73 (-10.28%) 9.37 (12.47%) 12.15 (16.16%) 0.993
Lindenberg 167 79.31 1.11 (1.40%) 5.30 (6.68%) 5.42 (6.83%) 0.995
Cabauw 183 73.19 5.74 (7.84%) 5.00 (6.84%) 7.61 (10.40%) 0.995
Camborne 106 69.68 7.60 (10.90%) 7.79 (11.18%) 10.88 (15.62%) 0.992
Palaiseau 157 84.10 5.88 (7.00%) 5.76 (6.85%) 8.24 (9.79%) 0.993
Sonnblick 86 81.29 10.66 (13.11%) 24.65 (30.33%) 26.86 (33.04%) 0.832
Payerne 184 94.10 10.53 (11.19%) 6.88 (7.32%) 12.58 (13.37%) 0.993
Carpentras 175 149.24 5.23 (3.51%) 5.56 (3.73%) 7.64 (5.12%) 0.996
Cener 130 117.02 5.26 (4.49%) 6.06 (5.18%) 8.02 (6.86%) 0.994
ENA, Azores 13 90.86 -12.64 (-13.91%) 3.67 (4.04%) 13.16 (14.48%) 0.997
Sede Boqer 98 180.76 -32.21 (-17.82%) 12.81 (7.09%) 34.66 (19.17%) 0.976
Tamanrasset 165 164.89 2.37 (1.43%) 18.29 (11.09%) 18.44 (11.18%) 0.932
Petrolina 96 123.25 24.87 (20.18%) 28.29 (22.96%) 37.67 (30.56%) 0.693
Brasilia 77 128.34 15.85 (12.35%) 8.31 (6.47%) 17.89 (13.94%) 0.986
Gobabeb 96 234.60 -20.06 (-8.55%) 10.42 (4.44%) 22.60 (9.64%) 0.954
Florianopolis 71 104.12 9.30 (8.93%) 7.52 (7.22%) 11.96 (11.49%) 0.973
Sao Martinho da Serra 82 119.70 8.30 (6.93%) 22.93 (19.15%) 24.38 (20.37%) 0.882
De Aar 69 221.24 -3.44 (-1.55%) 7.87 (3.56%) 8.58 (3.88%) 0.985

Daily DNI

CAMS-Radiation -- DNI Quality assessment results vs. the stations
DAILY IRRADIATION
Station Number of values Mean
station
(Wh/m2)		 Bias
(Wh/m2)
(relative in %)		 STDEV
(Wh/m2)
(relative in %)		 RMSE
(Wh/m2)
(relative in %)		 Correl. coeff.
Lerwick 2595 1604.09 -65.41 (-4.08%) 786.36 (49.02%) 789.08 (49.19%) 0.927
Toravere 5043 2800.95 -276.28 (-9.86%) 657.11 (23.46%) 712.83 (25.45%) 0.981
Lindenberg 5022 2633.98 36.14 (1.37%) 543.48 (20.63%) 544.68 (20.68%) 0.982
Cabauw 5454 2445.53 191.82 (7.84%) 544.41 (22.26%) 577.21 (23.60%) 0.979
Camborne 3157 2362.63 254.52 (10.77%) 664.01 (28.10%) 711.12 (30.10%) 0.970
Palaiseau 4713 2807.22 196.11 (6.99%) 561.66 (20.01%) 594.91 (21.19%) 0.980
Sonnblick 2268 3022.94 366.87 (12.14%) 2018.92 (66.79%) 2051.98 (67.88%) 0.802
Payerne 4897 3470.04 382.09 (11.01%) 721.12 (20.78%) 816.09 (23.52%) 0.975
Carpentras 5218 5014.25 175.15 (3.49%) 629.90 (12.56%) 653.80 (13.04%) 0.982
Cener 3832 3950.74 175.88 (4.45%) 642.08 (16.25%) 665.73 (16.85%) 0.981
ENA, Azores 385 3154.01 -447.59 (-14.19%) 720.14 (22.83%) 847.90 (26.88%) 0.972
Sede Boqer 2808 6255.83 -1105.27 (-17.67%) 998.94 (15.97%) 1489.80 (23.81%) 0.919
Tamanrasset 4297 5892.99 111.97 (1.90%) 1172.60 (19.90%) 1177.93 (19.99%) 0.900
Petrolina 2663 4915.51 997.45 (20.29%) 1427.86 (29.05%) 1741.75 (35.43%) 0.817
Brasilia 2198 4558.69 561.04 (12.31%) 1012.14 (22.20%) 1157.24 (25.39%) 0.925
Gobabeb 2870 7834.28 -669.56 (-8.55%) 666.42 (8.51%) 944.68 (12.06%) 0.944
Florianopolis 2154 3499.81 312.94 (8.94%) 863.01 (24.66%) 918.00 (26.23%) 0.959
Sao Martinho da Serra 2491 4655.31 293.93 (6.31%) 1159.84 (24.91%) 1196.50 (25.70%) 0.940
De Aar 2062 7391.24 -112.06 (-1.52%) 827.71 (11.20%) 835.26 (11.30%) 0.962

Hourly DNI

CAMS-Radiation -- DNI Quality assessment results vs. the stations
HOURLY IRRADIATION
Station Number of values Mean
station
(Wh/m2)		 Bias
(Wh/m2)
(relative in %)		 STDEV
(Wh/m2)
(relative in %)		 RMSE
(Wh/m2)
(relative in %)		 Correl. coeff.
Lerwick 28101 148.86 -6.01 (-4.04%) 122.57 (82.34%) 122.72 (82.44%) 0.855
Toravere 50303 277.28 -26.90 (-9.70%) 115.47 (41.64%) 118.56 (42.76%) 0.933
Lindenberg 50610 260.17 3.83 (1.47%) 103.01 (39.59%) 103.08 (39.62%) 0.937
Cabauw 55736 239.14 18.75 (7.84%) 99.33 (41.54%) 101.09 (42.27%) 0.937
Camborne 33101 225.74 24.34 (10.78%) 109.03 (48.30%) 111.71 (49.49%) 0.925
Palaiseau 49540 266.59 18.68 (7.01%) 103.24 (38.73%) 104.92 (39.36%) 0.939
Sonnblick 23540 293.38 35.99 (12.27%) 286.95 (97.81%) 289.19 (98.57%) 0.706
Payerne 52407 327.68 36.20 (11.05%) 125.91 (38.42%) 131.01 (39.98%) 0.928
Carpentras 56075 466.53 16.27 (3.49%) 104.20 (22.34%) 105.47 (22.61%) 0.952
Cener 41249 366.76 16.62 (4.53%) 114.09 (31.11%) 115.29 (31.44%) 0.943
ENA, Azores 4113 300.87 -43.71 (-14.53%) 124.65 (41.43%) 132.09 (43.90%) 0.926
Sede Boqer 28391 614.32 -106.12 (-17.27%) 169.17 (27.54%) 199.70 (32.51%) 0.842
Tamanrasset 48092 556.34 7.82 (1.41%) 150.82 (27.11%) 151.02 (27.15%) 0.899
Petrolina 29327 447.56 89.80 (20.06%) 187.18 (41.82%) 207.60 (46.39%) 0.823
Brasilia 23905 427.23 56.69 (13.27%) 177.97 (41.66%) 186.78 (43.72%) 0.856
Gobabeb 31731 708.82 -60.43 (-8.53%) 101.49 (14.32%) 118.12 (16.66%) 0.946
Florianopolis 23750 317.47 28.96 (9.12%) 148.12 (46.66%) 150.92 (47.54%) 0.910
Sao Martinho da Serra 26883 432.21 29.99 (6.94%) 170.47 (39.44%) 173.08 (40.05%) 0.889
De Aar 21987 690.93 -9.92 (-1.44%) 119.03 (17.23%) 119.44 (17.29%) 0.940

15 min DNI

CAMS-Radiation -- DNI Quality assessment results vs. the stations
15 MIN IRRADIATION
Station Number of values Mean
station
(Wh/m2)		 Bias
(Wh/m2)
(relative in %)		 STDEV
(Wh/m2)
(relative in %)		 RMSE
(Wh/m2)
(relative in %)		 Correl. coeff.
Lerwick 104125 40.35 -1.61 (-3.98%) 39.28 (97.35%) 39.32 (97.44%) 0.800
Toravere 187995 77.57 -7.97 (-10.28%) 39.50 (50.92%) 40.30 (51.95%) 0.889
Lindenberg 188877 70.12 0.98 (1.40%) 34.68 (49.46%) 34.70 (49.48%) 0.898
Cabauw 206336 64.91 5.09 (7.84%) 33.72 (51.95%) 34.11 (52.54%) 0.896
Camborne 122649 61.02 6.59 (10.80%) 35.77 (58.62%) 36.38 (59.61%) 0.885
Palaiseau 184523 71.79 5.05 (7.03%) 35.00 (48.76%) 35.36 (49.26%) 0.899
Sonnblick 88444 80.11 10.16 (12.69%) 82.06 (102.44%) 82.69 (103.22%) 0.664
Payerne 196990 89.25 9.95 (11.15%) 40.60 (45.49%) 41.80 (46.83%) 0.891
Carpentras 209294 125.07 4.37 (3.50%) 33.31 (26.63%) 33.60 (26.86%) 0.923
Cener 152817 99.55 4.47 (4.49%) 37.91 (38.08%) 38.17 (38.34%) 0.907
ENA, Azores 15463 83.16 -12.54 (-15.08%) 41.54 (49.96%) 43.40 (52.18%) 0.877
Sede Boqer 110646 162.34 -28.90 (-17.80%) 48.83 (30.08%) 56.74 (34.95%) 0.775
Tamanrasset 181904 150.83 2.10 (1.39%) 44.31 (29.37%) 44.36 (29.41%) 0.852
Petrolina 110727 119.63 24.23 (20.25%) 56.22 (47.00%) 61.22 (51.18%) 0.752
Brasilia 91289 115.23 15.92 (13.81%) 56.54 (49.07%) 58.74 (50.98%) 0.782
Gobabeb 119817 187.96 -16.07 (-8.55%) 31.05 (16.52%) 34.96 (18.60%) 0.905
Florianopolis 88886 84.96 7.84 (9.22%) 45.62 (53.70%) 46.29 (54.49%) 0.874
Sao Martinho da Serra 101461 115.99 8.74 (7.53%) 52.04 (44.87%) 52.77 (45.49%) 0.843
De Aar 83236 184.14 -2.63 (-1.43%) 38.51 (20.91%) 38.60 (20.96%) 0.892

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Validation of previous versions of CAMS Radiation Service:
Validation of CAMS Radiation Service 3.2 against 21 BSRN stations (May 2019)