PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/04-16:58:00
G01     113.5          21.9               14.0 +/-    1.01      29.5 +/-    1.01  0.050 / 0.100
G07     94.7           63.3               14.0 +/-    0.86      15.5 +/-    0.86  0.070 / 0.100
G08     43.2           27.4               12.6 +/-    1.26      23.4 +/-    1.26  0.040 / 0.040
G09     175.8          19.5               12.8 +/-    1.16      28.5 +/-    1.16  0.040 / 0.040
G11     98.9           42.0               14.3 +/-    0.42      20.2 +/-    0.42  0.080 / 0.120
G13     314.3          24.1               13.8 +/-    1.52      27.6 +/-    1.52  0.050 / 0.140
G17     204.1          29.0               16.2 +/-    1.33      28.9 +/-    1.33  0.030 / 0.030
G18     87.8           23.0               11.6 +/-    1.22      23.9 +/-    1.22  0.030 / 0.030
G28     304.9          59.5               14.4 +/-    0.70      16.4 +/-    0.70  0.070 / 0.070
G30     1.3            73.9               15.2 +/-    0.84      15.7 +/-    0.84  0.070 / 0.060