4 ms·
cos(54 deg)/cos(49 deg) ~ 0.588/0.656 ~ 0.9, so a longitude degree in the north of the country is about 10% shorter than in the south.
by sobriquet9 4y ago
cos(54 deg)/cos(49 deg) ~ 0.588/0.656 ~ 0.9, so a longitude degree in the north of the country is about 10% shorter than in the south.