PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/13-21:12:50
G01     123.2          14.2               16.1 +/-    2.02      40.7 +/-    2.02  0.030 / 0.030
G07     76.2           65.2               12.6 +/-    0.61      13.7 +/-    0.61  0.030 / 0.040
G08     46.8           34.4               10.6 +/-    1.56      16.9 +/-    1.56  0.110 / 0.300
G09     177.9          32.2               13.5 +/-    1.18      22.6 +/-    1.18  0.200 / 0.420
G11     111.3          38.2               15.4 +/-    1.17      23.1 +/-    1.17  0.140 / 0.080
G13     319.5          15.9               11.3 +/-    2.58      27.5 +/-    2.58  0.090 / 0.070
G17     199.6          20.7               14.5 +/-    1.50      31.3 +/-    1.50  0.100 / 0.080
G18     96.3           18.5               13.6 +/-    1.30      31.1 +/-    1.30  0.100 / 0.110
G28     278.6          52.4               12.1 +/-    3.36      14.8 +/-    3.36  0.090 / 0.210
G30     338.9          64.7               12.4 +/-    0.86      13.6 +/-    0.86  0.120 / 0.210