Airgun Technologies Uragan 3 trajectory???

I have no idea if I have enough information but I know I don't have the software to help me so I'll ask the question. My U3 (.22 cal) shooting AEA 18.1 pellets at 875 fps is sighted dead on at 15 yds (my indoor range). Outdoor I've been able to stretch it to 30yds and it's 1.5" high. I'd like information on the presumed trajectory to maybe the yardage it's second dead on distance. Maybe info on the curve it's shooting. Maybe a ridiculous question but curious and I don't have space to map it out with targets. Thanks
 
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I have no idea if I have enough information but I know I don't have the software to help me so I'll ask the question. My U3 shooting AEA 18.1 pellets at 875 fps is sighted dead on at 15 yds (my indoor range). Outdoor I've been able to stretch it to 30yds and it's 1.5" high. I'd like information on the presumed trajectory to maybe the yardage it's second dead on distance. Maybe info on the curve it's shooting. Maybe a ridiculous question but curious and I don't have space to map it out with targets. Thanks
Unfortunatly without a balistic app i would set out targets. My way of thinking if you know the exact hold over and undrr your set. But i only trust what my slugs put on paper i think its the only way to for sure know