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Table 1 Diurnal and semidiurnal vertical wavelengths (km) from classical tidal theory based on a T = 260 km isothermal atmosphere

From: New perspectives on thermosphere tides: 1. Lower thermosphere spectra and seasonal-latitudinal structures

s D1S S1S D1A S1A D2S S2S D2A S2A
-3 56 - 30 91 * 56 * 44
-2 108 - 38 183 * 77 * 52
-1 - - 53 - * 118 * 65
0 27 - 102 - * 87 * 56
1 28 - * 128 * 67 * 48
2 27 - * 82 * 54 * 41
3 25 105 * 62 * 45 * 36
4 * 72 * 50 * 39 * 32
5 * 56 * 43 * 35 * 29
6 * 46 * 37 * 31 * 27
  1. D1S, diurnal 1st symmetric; S1S, semidiurnal 1st symmetric; D1A, diurnal 1st antisymmetric and so on; *, <25 km; -, >200 km.