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Table 2 Daytime and nighttime annual mean of hmF2 (F10.7 = 140) in [km] and hmF2D in [km/100 s.f.u.] for different stations. The station coordinates are shown in parentheses. Dip is the magnetic field dip angle of the station.

From: Local empirical model of ionospheric plasma density derived from Digisonde measurements at Irkutsk

Station

Dip(°)

Daytime

Nighttime

  

hmF2 (F10.7 = 140)

h m F 2D

hmF2 (F10.7 = 140)

h m F 2D

Sodankyla (67N, 27E)

76

270

35

374

46

Moscow (56N, 37E)

71

268

46

374

50

Irkutsk (52N, 104E)

72

263

61

340

73

IRI prediction for Irkutsk

 

272

66

331

36

Slough (52N, 1W)

67

258

48

378

43

Millstone Hill (43N, 288E)

70

265

46

333

33

Wallops Is (38N, 75W)

70

268

44

348

37

Wakkanai (38N, 142E)

51

272

57

366

56

Norfolk Is (29S, 168E)

56

282

45

340

38

Mundaring (32S, 116E)

66

275

38

338

33

Kerguelen (49S, 70E)

67

297

40

340

48

Port Stanley (52S, 58W)

47

261

61

387

55