which version of strelok? altitude is really irrelevent its air pres and temp that make the difference. in strlok plus you can change altitude, air pres and temp but the altiude makes no differnce unless you changes the other.
Strelok pro has no altitude adjustment.
ALWAYS have more than one app on your phone. they all including AB have done updates that have caused issues with drop data. You dont want to find your main app crashed when ready to shoot and have no backup.
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