Sentence examples for longitude zone from inspiring English sources
For events 3, 6, and 14, the source longitudes (E83, E31, and E64) were not in the traditional GLE longitude zone (>E15), although the CME speeds were very high.
Digital fluxgate data with a 1-min resolution from the World Data Center of Geomagnetism, Kyoto and from a chain of observatories in the Indian longitude zone were also used.
Observations were carried out during the period April December, 2015 at Raja Peary Mohan College Centre (RPMC: 22.66° N, 88.4° E), located near the equatorial ionization anomaly (EIA) crest of the Indian longitude zone.
Doumouya et al. (1998) investigated the seasonal variability in morning and afternoon CEJ events based on a 20-month data set at a West African longitude zone and concluded that EEJ amplitudes are weak during morning and afternoon CEJs observed on the same day.
The strength of the electrojet current in a particular longitude zone is determined by deducting the diurnal range of H or X component at a low-latitude (non-EEJ) station from the diurnal range of H or X component at the equatorial (EEJ) station, in the same longitudinal zone.
Su et al. (2008) concluded that the vertical drift velocities at three different longitude zones of magnetic declination have good correlations with the irregularity occurrences for all seasons and that the averaged postsunset vertical drift velocity is a good indicator for the occurrences of equatorial density irregularities in a longitude region of similar magnetic declination.
However, simultaneous validation of the recent version of IRI model IRI-20122) with ground-based observations at different latitude and longitudes zones during long changing solar activity periods is lacking.
Sunrise and sunset times were generated from mathematical models as a function of latitude, longitude, time zone, and day of year (http://www.sci.fi/∼benefon/sun.php3).sci.fi/∼benefon/sun.php3
So where does this leave Antarctica, where all degrees of longitude converge Times zones sometimes have as much to do with politics as geography.
The solar estimation process allows users to approximate the solar time and azimuth angle using any given (valid) date, time, UTC time zone, longitude and latitude.
Note helps the user to save any additional information and experiment information to help in getting the geographical details (latitude, longitude and time zone) to calculate, save and manage the solar time and azimuth angle.
