PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/07-17:12:50
G01     101.1          28.4               10.9 +/-    0.88      19.8 +/-    0.88  0.310 / 0.340
G07     115.0          54.0               12.2 +/-    0.49      14.7 +/-    0.49  0.250 / 0.240
G08     41.8           16.6                9.3 +/-    2.98      22.2 +/-    2.98  0.030 / 0.040
G11     81.4           42.7               11.7 +/-    1.07      16.4 +/-    1.07  0.030 / 0.040
G13     304.6          32.0               10.7 +/-    1.30      18.0 +/-    1.30  0.030 / 0.030
G17     209.1          41.8               13.4 +/-    1.05      19.0 +/-    1.05  0.030 / 0.030
G18     74.2           24.8               11.7 +/-    1.61      22.9 +/-    1.61  0.090 / 0.140
G19     211.1          16.5                8.4 +/-   11.80      20.2 +/-   11.80  0.060 / 0.120
G28     329.9          61.7               10.8 +/-    0.44      12.1 +/-    0.44  0.090 / 0.080
G30     56.7           79.7               12.0 +/-    0.48      12.2 +/-    0.48  0.080 / 0.110