Yearly Archives: 2014

Canoeing the Park River Under Hartford

The Park River once flowed past the the Connecticut State Capitol’s gilded dome and was the centerpiece of its namesake, Bushnell Park, in downtown Hartford, but it is now mostly forgotten. After the floods of 1936 and 1938, it was … Continue reading

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Volume of West Hill Pond

Since I have a bathymetric map of West Hill Pond, I thought it might be interesting to calculate the volume of the pond. The formula for calculating the volume of the frustum of a pyramid is where is the height … Continue reading

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NavSpark / XBee Adapter

As I wrote last month, I recently got a set of NavSpark NS-RAW receivers. These can be used as a RTK GPS receiver system, but some sort of data link is needed. For shorter distances, XBee modules work well. Since … Continue reading

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NavSpark versus NS-RAW

Today I received the NavSpark and two NS-RAW GPS receivers I preordered from SkyTraq back in January. The NavSpark is a programmable SPARC-based GPS receiver, while the NS-RAW is one of the cheapest GPS receivers available with raw measurement output … Continue reading

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CHDK on the Canon PowerShot ELPH 330 HS

I recently purchased a Canon PowerShot ELPH 330 HS point and shoot camera to replace my aging Canon PowerShot SD770 IS. The new camera has better sensitivity, a considerably wider field of view that will help with aerial photography, and … Continue reading

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