iWISA (version 1.0-2)

datasq: Magnetometer Observations of Station ABG, PHU, TUC and FRD from March to April 2001

Description

The H-component of the Ground-based magnetometer records from four stations, Alibag (ABG), Phuthuy (PHU), Tucson (TUC) and Fredericksburg (FRD), used to estimate Sq variation. This data frame has 87840 rows, corresponding to a two months interval (March-April 2001), and 4 columns corresponding to each station.

Usage

data(datasq)

Format

A data frame containing 87840 observations for each four stations.

Source

INTERMAGNET

Examples

data(datasq)
head(datasq)
# plot of observations in station ABG
plot(datasq[,1])