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<blockquote data-quote="Greyfox" data-source="post: 573390" data-attributes="member: 10291"><p>Phorwath,</p><p></p><p>I have no argument at all. Two readings are better than one, and will give a higher level of confidence in your data. I guess the difference is that I ihave always used any of my chronographs as a supporting tool as opposed to the sole determinant in developing my ballistics information. That includes velocity, ES, STD deviation information. All loads and supporting information is developed using a combination of actual drop data, recorded velocities, and entry into a ballistics program that is verified for absolute reliability. From that verified ballistics program I can then develop my information for different environmental conditions. I will then keep a supply of the specific load used to develop this data on hand. If I change any variable in my load, i always begin by shooting and recording this load first on my chronograph. I can than get a point of reference should there be a change in conditions. Don"t get me wrong, the confidence level possible with the Oehler two channel system. is the reason why I bought it in the first place. I would have to say though that I have had the same successful results in my long range shooting long before I bought my Oehler. I don't believe absolute knowledge of the actual velocity is necessary or even possible considering variables in BC, rifle,conditions,etc. Consistency is much more critical than absolute accuracy in a chronograph. Thus my original point. My Pro Chrono and my Ohler are very consistent. I have used others that are definitely not.</p></blockquote><p></p>
[QUOTE="Greyfox, post: 573390, member: 10291"] Phorwath, I have no argument at all. Two readings are better than one, and will give a higher level of confidence in your data. I guess the difference is that I ihave always used any of my chronographs as a supporting tool as opposed to the sole determinant in developing my ballistics information. That includes velocity, ES, STD deviation information. All loads and supporting information is developed using a combination of actual drop data, recorded velocities, and entry into a ballistics program that is verified for absolute reliability. From that verified ballistics program I can then develop my information for different environmental conditions. I will then keep a supply of the specific load used to develop this data on hand. If I change any variable in my load, i always begin by shooting and recording this load first on my chronograph. I can than get a point of reference should there be a change in conditions. Don"t get me wrong, the confidence level possible with the Oehler two channel system. is the reason why I bought it in the first place. I would have to say though that I have had the same successful results in my long range shooting long before I bought my Oehler. I don't believe absolute knowledge of the actual velocity is necessary or even possible considering variables in BC, rifle,conditions,etc. Consistency is much more critical than absolute accuracy in a chronograph. Thus my original point. My Pro Chrono and my Ohler are very consistent. I have used others that are definitely not. [/QUOTE]
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