If you are a fan of Applied Ballistics LLC; http://appliedballisticsllc.com . They recommend LabRadar for chronographing your bullet velocity.
I have used the older style chronographs where you place the Chrono. about 10 to 12 feet in front of the muzzle and shoot through a wire like triangle.
The LabRadar is much more expensive e.g., over $500. but if you are testing like me or you are always wanting to know bullet speed and STD DEV. of your shooting string and want to import your data via SD Card, then this may be a winner.
We have contacted LabRadar to see if we can test and write about it for you. It can even give limited down range velocities as the radar tracks the bullet or arrow. We shall see what they say….
They say that a number of them are out being tested and would be several months before i can get a magazine sample.
So we have purchased one based on the many reviews we have seen to date and on the recommendation of Doc Beech of Applied Ballistics!
Coming Soon!