Sentence examples for at a certain longitude from inspiring English sources
This can be used to forecast the arrival of a bubble at a certain longitude eastward of the detection location, e.g., 750 km eastward after 1.5 hours assuming an average drift speed of 140 m/s.
The average EEJ current density distribution for noontime conditions derived from CHAMP measurements show large diurnal variations occurring at certain longitudes, example, at 90° W and 90° E (Luhr et al. 2008).
Longitudinal variations of hmF2 are so strong and their extrema at certain longitudes are so stable that they are clearly seen even in maps established after averaging a great number of measurements at different times.
But at a certain fundamental level, familiar.
Then, at a certain point, it works.
Leaders were retired at a certain age.
At a certain speed, all things disintegrate.
The similarities end at a certain point.
They punch in at a certain time.
They lacked, at first, a certain connoisseurship.
