Base Height of F-region during 2006 - 2007 Metadata
| Virtual base height of F-region (h′F) from 17.5 h to 21 hrs on during the year 2006-2007 | |||||||||||||||
| %Day | 17.5 | 17.75 | 18 | 18.25 | 18.5 | 18.75 | 19 | 19.25 | 19.5 | 19.75 | 20 | 20.25 | 20.5 | 20.75 | 21 |
| 1 | 241.1 | 251.8 | 248.2 | 248.2 | 244.6 | 244.6 | 244.6 | 246.4 | 242.9 | 244.6 | 242.9 | 241.1 | 237.5 | 233.9 | 232.1 |
| 2 | 253.6 | 255.4 | 255.4 | 258.9 | 266.1 | 273.2 | 273.2 | 273.2 | 280.4 | 280.4 | 278.6 | 275 | 266.1 | 258.9 | 250 |
| 3 | 248.2 | 257.1 | 269.6 | 275 | 287.5 | 298.2 | 303.6 | 303.6 | 300 | 298.2 | 289.3 | 285.7 | 275 | 266.1 | 258.9 |
| 4 | 242.9 | 253.6 | 255.4 | 262.5 | 273.2 | 287.5 | 292.9 | 298.2 | 301.8 | 300 | 296.4 | 285.7 | 280.4 | 273.2 | 260.7 |
| 5 | 241.1 | 250 | 255.4 | 264.3 | 282.1 | 307.1 | 325 | 335.7 | 328.6 | 317.9 | 314.3 | 310.7 | 308.9 | 294.6 | 282.1 |
| 6 | 239.3 | 244.6 | 248.2 | 244.6 | 242.9 | 241.1 | 235.7 | 233.9 | 241.1 | 246.4 | 248.2 | 253.6 | 251.8 | 248.2 | 250 |
| 7 | 242.9 | 248.2 | 258.9 | 264.3 | 273.2 | 283.9 | 300 | 310.7 | 319.6 | 323.2 | 325 | 321.4 | 308.9 | 301.8 | 294.6 |
| 8 | 244.6 | 250 | 262.5 | 273.2 | 289.3 | 312.5 | 316.1 | 339.3 | 369.6 | 400 | 419.6 | 433.9 | 435.7 | 426.8 | 417.9 |
| 9 | 244.6 | 251.8 | 255.4 | 264.3 | 275 | 283.9 | 283.9 | 280.4 | 273.2 | 271.4 | 273.2 | 262.5 | 257.1 | 250 | 239.3 |
| 10 | 248.2 | 250 | 258.9 | 258.9 | 258.9 | 251.8 | 248.2 | 244.6 | 239.3 | 237.5 | 241.1 | 241.1 | 241.1 | 241.1 | 241.1 |
| 11 | 253.6 | 258.9 | 262.5 | 260.7 | 267.9 | 271.4 | 273.2 | 280.4 | 278.6 | 280.4 | 282.1 | 271.4 | 269.6 | 264.3 | 251.8 |
| 12 | 241.1 | 246.4 | 255.4 | 258.9 | 260.7 | 260.7 | 264.3 | 271.4 | 271.4 | 273.2 | 271.4 | 266.1 | 262.5 | 258.9 | 246.4 |
| 13 | 237.5 | 248.2 | 248.2 | 250 | 253.6 | 260.7 | 267.9 | 269.6 | 273.2 | 266.1 | 260.7 | 257.1 | 250 | 246.4 | 248.2 |
| 14 | 260.7 | 255.4 | 253.6 | 246.4 | 260.7 | 264.3 | 273.2 | 278.6 | 283.9 | 296.4 | 296.4 | 275 | 273.2 | 264.3 | 260.7 |
| 15 | 235.7 | 246.4 | 248.2 | 250 | 248.2 | 253.6 | 258.9 | 260.7 | 266.1 | 262.5 | 260.7 | 260.7 | 260.7 | 260.7 | 260.7 |
| 16 | 235.7 | 248.2 | 250 | 257.1 | 258.9 | 264.3 | 264.3 | 273.2 | 285.7 | 294.6 | 292.9 | 287.5 | 282.1 | 276.8 | 267.9 |
| 17 | 235.7 | 237.5 | 241.1 | 239.3 | 237.5 | 235.7 | 235.7 | 233.9 | 235.7 | 226.8 | 226.8 | 216.1 | 216.1 | 212.5 | 214.3 |
| 18 | 235.7 | 244.6 | 244.6 | 244.6 | 242.9 | 246.4 | 246.4 | 248.2 | 248.2 | 242.9 | 244.6 | 239.3 | 241.1 | 241.1 | 233.9 |
| 19 | 230.4 | 237.5 | 248.2 | 239.3 | 237.5 | 235.7 | 237.5 | 242.9 | 248.2 | 253.6 | 255.4 | 248.2 | 241.1 | 233.9 | 232.1 |
| 20 | 233.9 | 235.7 | 250 | 253.6 | 253.6 | 253.6 | 251.8 | 255.4 | 258.9 | 260.7 | 260.7 | 257.1 | 250 | 235.7 | 235.7 |
| 21 | 233.9 | 235.7 | 250 | 253.6 | 253.6 | 253.6 | 251.8 | 255.4 | 258.9 | 260.7 | 260.7 | 257.1 | 250 | 235.7 | 235.7 |
| 21 | NaN | NaN | NaN | NaN | NaN | NaN | NaN | NaN | NaN | NaN | NaN | NaN | NaN | NaN | NaN |
| 22 | 237.5 | 241.1 | 248.2 | 248.2 | 248.2 | 248.2 | 273.2 | 273.2 | 283.9 | 294.6 | 296.4 | 287.5 | 282.1 | 275 | 262.5 |
| 23 | 237.5 | 241.1 | 248.2 | 257.1 | 258.9 | 266.1 | 273.2 | 275 | 275 | 275 | 269.6 | 264.3 | 257.1 | 250 | 244.6 |
| 24 | 237.5 | 241.1 | 248.2 | 248.2 | 246.4 | 246.4 | 250 | 248.2 | 248.2 | 246.4 | 246.4 | 248.2 | 260.7 | 262.5 | 273.2 |
| 25 | 244.6 | 251.8 | 260.7 | 264.3 | 269.6 | 273.2 | 280.4 | 273.2 | 273.2 | 262.5 | 266.1 | 264.3 | 264.3 | 260.7 | 257.1 |
| 26 | 244.6 | 251.8 | 260.7 | 264.3 | 269.6 | 273.2 | 280.4 | 273.2 | 273.2 | 262.5 | 266.1 | 264.3 | 264.3 | 260.7 | 257.1 |
| 26 | NaN | NaN | NaN | NaN | NaN | NaN | NaN | NaN | NaN | NaN | NaN | NaN | NaN | NaN | NaN |
| 27 | 237.5 | 250 | 258.9 | 273.2 | 287.5 | 303.6 | 337.5 | 342.9 | 348.2 | 364.3 | 355.4 | 355.4 | 358.9 | 351.8 | 344.6 |
| 28 | 237.5 | 250 | 258.9 | 273.2 | 287.5 | 303.6 | 337.5 | 342.9 | 348.2 | 364.3 | 355.4 | 355.4 | 358.9 | 351.8 | 344.6 |
| 28 | NaN | NaN | NaN | NaN | NaN | NaN | NaN | NaN | NaN | NaN | NaN | NaN | NaN | NaN | NaN |
| 29 | 226.8 | 233.9 | 239.3 | 262.5 | 271.4 | 278.6 | 285.7 | 296.4 | 305.4 | 310.7 | 310.7 | 307.1 | 310.7 | 310.7 | 310.7 |
| 30 | 228.6 | 244.6 | 248.2 | 260.7 | 269.6 | 278.6 | 285.7 | 291.1 | 296.4 | 303.6 | 300 | 300 | 289.3 | 280.4 | 278.6 |
| 31 | 233.9 | 242.9 | 248.2 | 248.2 | 250 | 255.4 | 257.1 | 258.9 | 260.7 | 260.7 | 262.5 | 264.3 | 266.1 | 273.2 | 271.4 |
| 32 | 237.5 | 244.6 | 251.8 | 253.6 | 253.6 | 258.9 | 264.3 | 269.6 | 269.6 | 273.2 | 271.4 | 269.6 | 271.4 | 273.2 | 275 |
| 33 | 226.8 | 241.1 | 242.9 | 244.6 | 248.2 | 251.8 | 258.9 | 271.4 | 276.8 | 280.4 | 283.9 | 283.9 | 283.9 | 283.9 | 283.9 |
| 34 | 233.9 | 242.9 | 248.2 | 253.6 | 258.9 | 260.7 | 271.4 | 280.4 | 289.3 | 301.8 | 310.7 | 321.4 | 319.6 | 319.6 | 312.5 |
| 35 | 226.8 | 239.3 | 250 | 246.4 | 241.1 | 237.5 | 244.6 | 248.2 | 255.4 | 258.9 | 260.7 | 258.9 | 255.4 | 251.8 | 241.1 |
| 36 | 232.1 | 237.5 | 253.6 | 260.7 | 260.7 | 260.7 | 264.3 | 267.9 | 271.4 | 285.7 | 294.6 | 310.7 | 355.4 | 373.2 | 378.6 |
| 37 | 226.8 | 237.5 | 250 | 248.2 | 250 | 248.2 | 246.4 | 244.6 | 244.6 | 248.2 | 248.2 | 246.4 | 253.6 | 246.4 | 239.3 |
| 38 | 237.5 | 242.9 | 251.8 | 257.1 | 269.6 | 283.9 | 301.8 | 312.5 | 308.9 | 305.4 | 301.8 | 287.5 | 276.8 | 257.1 | 241.1 |
| 39 | 237.5 | 235.7 | 253.6 | 257.1 | 255.4 | 260.7 | 271.4 | 269.6 | 271.4 | 271.4 | 269.6 | 269.6 | 266.1 | 269.6 | 262.5 |
| 40 | 221.4 | 233.9 | 239.3 | 242.9 | 244.6 | 246.4 | 257.1 | 258.9 | 258.9 | 253.6 | 251.8 | 251.8 | 250 | 248.2 | 242.9 |
| 41 | 225 | 235.7 | 241.1 | 248.2 | 255.4 | 271.4 | 283.9 | 280.4 | 275 | 269.6 | 266.1 | 262.5 | 258.9 | 251.8 | 246.4 |
| 42 | 230.4 | 228.6 | 239.3 | 244.6 | 246.4 | 257.1 | 260.7 | 269.6 | 276.8 | 278.6 | 278.6 | 264.3 | 253.6 | 239.3 | 225 |
| 43 | 217.9 | 232.1 | 244.6 | 257.1 | 262.5 | 271.4 | 287.5 | 308.9 | 323.2 | 332.1 | 342.9 | 337.5 | 314.3 | 300 | 291.1 |
| 44 | 226.8 | 230.4 | 235.7 | 241.1 | 244.6 | 244.6 | 246.4 | 246.4 | 255.4 | 258.9 | 267.9 | 266.1 | 266.1 | 262.5 | 260.7 |
| 45 | 217.9 | 230.4 | 244.6 | 244.6 | 250 | 248.2 | 246.4 | 244.6 | 242.9 | 239.3 | 235.7 | 232.1 | 235.7 | 233.9 | 230.4 |
| 46 | 203.6 | 219.6 | 241.1 | 246.4 | 255.4 | 260.7 | 262.5 | 260.7 | 264.3 | 262.5 | 260.7 | 257.1 | 250 | 246.4 | 242.9 |
| 47 | 219.6 | 223.2 | 242.9 | 257.1 | 273.2 | 257.1 | 262.5 | 260.7 | 262.5 | 260.7 | 276.8 | 264.3 | 262.5 | 273.2 | 271.4 |
| 48 | 208.9 | 237.5 | 246.4 | 266.1 | 273.2 | 291.1 | 316.1 | 342.9 | 344.6 | 344.6 | 344.6 | 344.6 | 344.6 | 344.6 | 344.6 |
| 49 | 221.4 | 223.2 | 241.1 | 244.6 | 248.2 | 244.6 | 241.1 | 237.5 | 233.9 | 258.9 | 260.7 | 267.9 | 269.6 | 269.6 | 269.6 |
| 50 | 233.9 | 233.9 | 246.4 | 257.1 | 258.9 | 262.5 | 273.2 | 289.3 | 307.1 | 317.9 | 321.4 | 325 | 333.9 | 323.2 | 323.2 |
| 51 | 228.6 | 246.4 | 248.2 | 250 | 253.6 | 257.1 | 264.3 | 262.5 | 266.1 | 262.5 | 260.7 | 267.9 | 266.1 | 258.9 | 257.1 |
| 52 | 214.3 | 230.4 | 248.2 | 253.6 | 257.1 | 267.9 | 285.7 | 289.3 | 291.1 | 291.1 | 291.1 | 292.9 | 292.9 | 289.3 | 287.5 |
| 53 | 214.3 | 230.4 | 248.2 | 253.6 | 257.1 | 267.9 | 285.7 | 289.3 | 291.1 | 291.1 | 291.1 | 292.9 | 292.9 | 289.3 | 287.5 |
| 53 | 223.2 | 237.5 | NaN | NaN | NaN | NaN | NaN | NaN | NaN | NaN | NaN | NaN | NaN | NaN | NaN |
| 54 | 208.9 | 212.5 | 233.9 | 248.2 | 246.4 | 248.2 | 257.1 | 264.3 | 269.6 | 276.8 | 276.8 | 260.7 | 257.1 | 250 | 237.5 |
| 55 | 223.2 | 235.7 | 246.4 | 258.9 | 267.9 | 276.8 | 289.3 | 292.9 | 294.6 | 289.3 | 282.1 | 278.6 | 276.8 | 283.9 | 280.4 |
| 56 | 214.3 | 223.2 | 230.4 | 233.9 | 242.9 | 258.9 | 282.1 | 317.9 | 316.1 | 319.6 | 332.1 | 333.9 | 339.3 | 342.9 | 346.4 |
| 57 | 228.6 | 233.9 | 244.6 | 255.4 | 257.1 | 258.9 | 264.3 | 269.6 | 283.9 | 287.5 | 289.3 | 289.3 | 289.3 | 289.3 | 289.3 |
| 58 | 226.8 | 233.9 | 242.9 | 251.8 | 253.6 | 251.8 | 258.9 | 269.6 | 271.4 | 280.4 | 292.9 | 307.1 | 321.4 | 321.4 | 321.4 |
| 59 | 219.6 | 228.6 | 237.5 | 244.6 | 244.6 | 242.9 | 237.5 | 230.4 | 223.2 | 219.6 | 216.1 | 214.3 | 212.5 | 216.1 | 217.9 |
| 60 | 198.2 | 189.3 | 241.1 | 257.1 | 269.6 | 267.9 | 269.6 | 269.6 | 269.6 | 267.9 | 262.5 | 258.9 | 264.3 | 266.1 | 273.2 |
| 61 | 217.9 | 225 | 233.9 | 239.3 | 233.9 | 228.6 | 221.4 | 210.7 | 208.9 | 208.9 | 208.9 | 207.1 | 210.7 | 214.3 | 217.9 |
| 62 | 233.9 | 212.5 | 214.3 | 214.3 | 269.6 | 280.4 | 296.4 | 301.8 | 321.4 | 325 | 325 | 325 | 325 | 325 | 325 |
| 63 | 228.6 | 232.1 | 235.7 | 242.9 | 244.6 | 244.6 | 242.9 | 244.6 | 244.6 | 246.4 | 264.3 | 266.1 | 269.6 | 269.6 | 264.3 |
| 64 | 228.6 | 232.1 | 239.3 | 246.4 | 246.4 | 241.1 | 239.3 | 242.9 | 257.1 | 276.8 | 280.4 | 292.9 | 291.1 | 291.1 | 300 |
| 65 | 207.1 | 225 | 241.1 | 246.4 | 246.4 | 244.6 | 239.3 | 237.5 | 233.9 | 232.1 | 226.8 | 223.2 | 226.8 | 233.9 | 239.3 |
| 66 | 189.3 | 230.4 | 230.4 | 239.3 | 241.1 | 241.1 | 232.1 | 233.9 | 233.9 | 235.7 | 235.7 | 233.9 | 237.5 | 235.7 | 230.4 |