I am not sure if your stations are equivalent to each other or not. If they are then the following should work well.
( 5 1 14) (12 10 7) (26 15 9) (29 16 13) (23 22 8) ( 2 21 25) (20 19 27) ( 4 6 24) (30 18 28) (11 17 3)
( 6 2 15) (13 1 8) (27 16 10) (30 17 14) (24 23 9) ( 3 22 26) (11 20 28) ( 5 7 25) (21 19 29) (12 18 4)
( 7 3 16) (14 2 9) (28 17 1) (21 18 15) (25 24 10) ( 4 23 27) (12 11 29) ( 6 8 26) (22 20 30) (13 19 5)
( 8 4 17) (15 3 10) (29 18 2) (22 19 16) (26 25 1) ( 5 24 28) (13 12 30) ( 7 9 27) (23 11 21) (14 20 6)
( 9 5 18) (16 4 1) (30 19 3) (23 20 17) (27 26 2) ( 6 25 29) (14 13 21) ( 8 10 28) (24 12 22) (15 11 7)
(10 6 19) (17 5 2) (21 20 4) (24 11 18) (28 27 3) ( 7 26 30) (15 14 22) ( 9 1 29) (25 13 23) (16 12 8)
( 1 7 20) (18 6 3) (22 11 5) (25 12 19) (29 28 4) ( 8 27 21) (16 15 23) (10 2 30) (26 14 24) (17 13 9)
( 2 8 11) (19 7 4) (23 12 6) (26 13 20) (30 29 5) ( 9 28 22) (17 16 24) ( 1 3 21) (27 15 25) (18 14 10)
( 3 9 12) (20 8 5) (24 13 7) (27 14 11) (21 30 6) (10 29 23) (18 17 25) ( 2 4 22) (28 16 26) (19 15 1)
( 4 10 13) (11 9 6) (25 14 8) (28 15 12) (22 21 7) ( 1 30 24) (19 18 26) ( 3 5 23) (29 17 27) (20 16 2)