[Leica] Antenna vs. roof

[Douglas Barry]

If you know a sailor, you might be able to borrow his sextant and work 
the angles that way. I have my Dad's sextant but the west coast of the 
US is a long way to swim with it from Ireland... :-)

Douglas

On 10/03/2021 21:38, Frank Filippone via LUG wrote:
> That Bosch thing is a laser distance and angle reading digital Log 
> Table ( remember those?)  It also has the ability to do Trig 
> computations, and actually remembers how and what equations to use.
>
> ( I still have my Fathers' Log Tables from his time at MIT ( 
> 1938-40)and use it whenever I must.) Yes, I am THAT nerdy.
>
> The Math really is not so complicated, it is all about triangles, but 
> that was like 50 years ago......
>
>
> Frank Filippone
> BMWRed735i at Gmail.com
>
> On 3/10/2021 11:19 AM, Brian Reid wrote:
>> I have one of these. It can measure the height of anything that will 
>> reflect its laser back to it. The instructions for making such 
>> measurements are obscure. The instructions call that "indirect 
>> measurement".
>>
>> https://www.boschtools.com/us/en/boschtools-ocs/laser-measures-glm165-40-187965-p/ 
>>
>
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