Meters per minute of longitude

Week seven began with a review of what proved to be a challenging quiz 054 064. I then introduced the class to the operating features of the GPS units. 

Tuesday I selected a hide out behind maintenance. Intermittent rain had returned on trade wind disturbances, so I opted for an accessible hide.

Mounds of dirt blocked direct lat/long access to my hide, or forced one to go over or around. There is a hole, a swale, behind the dirt hills, and I was able to hunker down under an umbrella in the long grass sufficiently that I could not be seen from the hill top.



Coordinates of the hide.

The students found me in eleven to twelve minutes, really rather quickly. I am wondering if I ought to lay in a two stage process with a relay coordinate out in the bush. That said, maintenance provided shelter from a passing rain shower and provided a place for me to run a question and answer on latitude and longitude.


Gloria Dadius on the surveyor's wheel in the 8:00 section

Laboratory seven was run straight up as per current editions of the text. I did use a conversion table to improve the accuracy of the numbers generated by the surveyor's wheel.

Meters Feet
0 0
30 98
60 197
90 295
120 394
150 492
180 591


Kerley, Gibson, Marcyliza, DeBrum, Simon, Jade, Myreesha, Rennie

This term I had a student run the surveyor's wheel, at 11:00 Liana also had the conversion sheet.

Nancy Washington, Trinia Eliou, Marcyliza Semens

Gloria at a 30 meter mark point

DeBrum Melander

Up around 60 meters, Nancy reads the longitude

Moving on towards 90 meters.

Myreesha Daniel intent on staying on latitude

The morning class naturally fanned out with Nancy on the southern right flank and Simon "Jun" Augustine on the northern left flank. 

Tae Shawn Mae Jeanette Ioanis and Simon Augustine Junior

Not a best data practice, but creative

Morning boards


Comments

Post a Comment

Popular posts from this blog

Plotting polar coordinates in Desmos and a vector addition demonstrator

Image
In an earlier post I noted that Desmos did not directly plot polar coordinates. Not only was I incorrect, but Desmos responded to my blog to correct me! Although I had at some point seen that one could define a function f(x)=3x+5 and then have Desmos calculate f(6), I had not absorbed how this might be used to plot polar coordinates. The above works beautifully . Realizing that I could effectively program Desmos, I applied this thinking to demonstrating how to add two vectors when given the magnitudes m and the direction angles theta. The graph calculates the i and j components for the two vectors and then adds the vectors, graphically displaying the result while also providing information on the magnitude and direction of the vector sum. m1 and theta1 are the magnitude and direction angle for one of the two vectors, m2 and theta2 are the magnitude and direction for the other vector. All four are dynamically interactive and can be changed. The diagram purports to illustra...
Read more

Traditional food dishes of Micronesia

Image
Clara, Jennette, and Joanie presented ground hard taro cooked in an umw, effectively a hot rock oven. Pohnpeian: rotama. Pingelapese: sero. Mwoakillese: rodma. Mortlockese: Amahd. Kosrae: rodoma. After cooking in an umw the rotama is pounded with the petiole of a palm frond. Rotama is made from hard or swamp taro, known as mwahng on Pohnpei, mweian on Pingalap, pula in Mortlockese, and pahsruhk on Kosrae. In traditional times on the outer islands the women had primary responsibility for tending the taro while the men handled fishing and climbing tasks. Joesen and Noeleen presented fermented breadfruit from the outer islands of Yap such as Woleai and Eauripik. The raw ingredients were actually brought in from Yap, Noeleen prepared the maare.  The leaf wrap is ti leaf - Cordyline fruticosa. Pauleen, Barnson, Trisha, Verginia, Con-ray, and Maylanda from Kitti, Pohnpei brought in mahi umw, koahpnoair koakihr, and uht sukusuk. Above is breadfruit umw, mahi umw, o...
Read more

Setting up a boxplot chart in Google Sheets with multiple boxplots on a single chart

Image
The  Google Statistics  add-on for Google Sheets can display multiple boxplots in a single chart. The key is the layout of the data. One column should be the variable by which the data is to be grouped, the other column should be the data to be box plotted. Set up the Statistics add-on with the data to be plotted as the variable, and the grouping column as the "by" variable. In this image I had deselected all but the boxplot option, the result was the appearance of the Moment, Standard errors, and Confidence intervals options. The default is apparently a 95% confidence interval for the mean. The result is multiple boxplots on a single chart with a common scale. The new tab that is created also quotes 95% confidence intervals for the mean. Note that as of 2018 the Google Statistics add-on cannot be found by search in the add-ons. In addition, as of May 2018 the add-on no longer verifies, possibly due to the add-on not having been updated since August 2017. One may ha...
Read more