HI need just an little help

[fire1000]

HI need just an little help wend I used blind scan on gax17 sometimes I will get speed, fuel, wild, then the next day I use it i get fx, big ten, alt,ect.
how can I get it to pick all the ch on an blind scan.
i use a satwork st-3618 thanks,
fire1000

 

[FaT Air]

Well, speed, fuel, and wild are on one polarity, Vertical, and the others (fx, big ten, alt) are on horizontal. Maybe that's a clue as to what's going on.