PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/29-22:42:50
G01     77.3           33.3               11.0 +/-    1.46      18.1 +/-    1.46  0.070 / 0.250
G07     134.0          36.4               11.7 +/-    1.26      18.0 +/-    1.26  0.070 / 0.250
G11     59.6           36.0                9.3 +/-    1.07      14.5 +/-    1.07  0.060 / 0.100
G13     282.0          37.5               10.5 +/-    1.11      16.0 +/-    1.11  0.090 / 0.080
G15     306.8          14.3                9.4 +/-    3.66      23.8 +/-    3.66  0.030 / 0.030
G17     225.0          60.2               11.4 +/-    1.80      12.9 +/-    1.80  0.040 / 0.040
G18     54.1           21.0                9.7 +/-    4.85      20.9 +/-    4.85  0.080 / 0.070
G19     220.5          36.6               12.3 +/-    2.44      18.9 +/-    2.44  0.120 / 0.080
G28     10.8           60.3                9.8 +/-    1.15      11.1 +/-    1.15  0.040 / 0.070
G30     129.0          64.2               11.4 +/-    0.57      12.5 +/-    0.57  0.030 / 0.070