PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/08-15:58:00
G01     105.9          25.4                9.5 +/-    1.59      18.5 +/-    1.59  0.040 / 0.050
G07     110.4          52.8                9.7 +/-    0.98      11.9 +/-    0.98  0.060 / 0.070
G08     41.9           21.0                9.1 +/-    3.22      19.6 +/-    3.22  0.070 / 0.080
G09     175.5          14.7                8.3 +/-    1.16      20.8 +/-    1.16  0.050 / 0.080
G11     87.4           43.3               10.4 +/-    0.56      14.3 +/-    0.56  0.020 / 0.040
G13     308.8          29.8                9.4 +/-    0.95      16.6 +/-    0.95  0.030 / 0.040
G17     205.5          36.9                9.6 +/-    1.00      14.7 +/-    1.00  0.100 / 0.130
G18     78.4           24.0                8.2 +/-    1.83      16.3 +/-    1.83  0.090 / 0.190
G28     308.1          58.8                7.8 +/-    1.37       8.9 +/-    1.37  0.040 / 0.090
G30     44.9           78.4               10.0 +/-    1.14      10.2 +/-    1.14  0.060 / 0.080