# NOT RUN {
data(georef1min01)
head(georef1min01);tail(georef1min01)
str(georef1min01)
plot(georef1min01$Longitude, georef1min01$Latitude,pch=".")
data(gpsdata01)
points(gpsdata01$Longitude,gpsdata01$Latitude,col="red",pch="*")
# }
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