Appendix D — A new ionospheric index MF2

Appendix D — A new ionospheric index MF2

Vol.15,No.2pp.~)197-(2)199,1995 *Yw@?~b~~ Printed in&cat BntkAll 0273-117719 "$$7.00+0.00 Adv.SpaceRcs. Pergaam APPENDIX D - A NEW IONOSPHERIC INDE...

179KB Sizes 0 Downloads 41 Views

Vol.15,No.2pp.~)197-(2)199,1995 *Yw@?~b~~ Printed in&cat BntkAll 0273-117719 "$$7.00+0.00

Adv.SpaceRcs.

Pergaam

APPENDIX D - A NEW IONOSPHERIC INDEX MF2 A. V. Mikhailov and V. V. Mikhailov

TABLE 1 Monthly Indices MF2 from 1957 to 1991 Year 1957

1958 1959 1960

1961 1962 1963 1964 1965 1966 1967 1968 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991

I

II

11.79 11.20 10.75 9.65 6.85 5.07 4.86 4.59 4.48 4.77 6.80 8.51 7.28 7.79 7.11 6.20 5.56 4.64 4.94 4.43 4.56 5.78 8.93 9.21 8.64 9.05 7.43 5.80 4.90 4.70 4.43 5.61 9.22 9.70 10.60

12.12 11.68 11.37 10.38 7.10 5.67 5.14 5.17 5.16 5.25 8.09 9.22 8.84 9.57 8.04 7.48 6.30 4.94 4.52 4.59 5.38 7.67 11.38 10.53 10.82 10.40 7.80 6.81 5.17 4.88 4.93 5.78 11.37 10.09 11.33

III

IV

12.75 12.72 12.90 12.68 12.19 11.55 10.54 9.56 8.03 7.63 6.59 6.53 5.74 6.18 6.04 5.96 5.93 6.15 6.02 6.83 10.14 10.09 9.92 9.73 10.92.10.41 10.66 10.69 8.94 8.30 9.86 9.14 6.57 6.57 5.75 6.22 5.42 5.43 5.34 6.01 6.01 6.08 9.36 8.98 12.32 10.45 12.03 11.67 12.55 11.76 11.88 10.77 8.16 7.60 8.31 7.35 5.40 5.69 5.66 6.07 5.40 6.35 7.33 8.54 11.98 11.10 11.00 10.61 12.35 11.20

V

VI

VII

9.87 9.86 9.59 10.50 9.52 9.26 10.58 9.66 8.91 9.36 8.72 8.54 7.59 7.70 7.23 7.43 6.96 6.45 6.59 6.67 6.20 5.96 6.08 5.71 6.27 6.40 6.15 7.35 7.33 7.25 8.51 7.88 8.13 9.24 8.46 8.24 9.33 8.73 8.30 9.84 8.92 8.66 7.79 7.60 7.37 8.61 8.44 8.23 7.24 6.96 6.49 6.71 6.61 6.43 5.91 6.07 5.93 6.29 6.28 5.87 6.66 6.94 6.51 8.86 8.54 8.56 10.43 9.45 8.74 11.03 10.03 9.40 10.91 9.75 8.87 9.88 8.67 7.94 8.81 8.34 7.83 7.77 7.36 6.65 6.15 6.21 5.95 6.15 5.89 5.82 6.93 6.46 6.04 8.05 8.22 7.50 10.07 9.43 10.20 9.88 8.83 9.02 10.01 9.94 9.90

VIII 9.32 9.76 9.07 8.36 7.44 5.78 5.78 5.41 5.75 6.90 8.09 8.11 8.25 8.11 6.67 7.66 6.18 5.87 5.81 5.68 6.14 7.74 9.00 9.15 9.06 7.88 7.49 6.03 5.53 5.29 6.13 7.83 9.07 8.66 9.94

IX 10.85 11.49 9.89 9.68 7.01 5.94 5.56 5.45 5.49 6.64 8.67 8.49 8.76 9.09 7.21 8.33 6.55 5.72 6.07 5.55 6.15 8.87 10.23 10.00 11.16 8.69 7.18 5.77 5.45 5.24 5.82 8.98 10.69 10.32 10.47

x 12.74 12.85 10.79 9.87 7.36 6.19 6.20 5.61 6.31 7.80 9.84 9.93 9.72 10.01 7.49 8.63 6.71 6.83 6.35 6.16 7.21 10.66 12.52 11.80 12.15 10.80 8.25 5.85 5.90 6.15 6.70 10.95 12.05 10.97 10.25

XI

XII

12.41 10.87 11.82 9.80 10.28 8.28 9.65 7.32 6.45 5.01 6.07 4.49 5.82 4.23 5.12 4.19 5.83 4.21 7.25 5.68 8.62 7.49 8.59 7.59 8.93 6.66 9.85 7.14 7.29 5.80 7.14 5.24 5.87 4.52 5.98 4.60 5.47 4.19 5.06 4.30 6.48 5.19 9.38 7.78 11.54 9.52 11.29 9.62 11.66 9.15 10.02 8.37 7.30 5.57 5.45 4.60 5.37 4.33 5.48 4.44 7.00 5.25 9.81 8.59 11.97 9.62 9.59 9.44 9.40 9.49

A.V.Mikhailov and V.V.Mikhailov

(2)198

TABLE 2 Diurnal Average e/MHz (and 6 in %) to the Regressions of foF2 with Different Activity Indices, for three distinct seasons (number of cases noted as third column) Station

Season

RI2

IGl2

RESSN12

MF2

Winter (2736) Boulder Summer (2760) Equinox (2637)

0.435 ( 5.2) 0.276 ( 4.0) 0.470 ( 6.0)

0.417 (5.1) 0.250 (3.6) 0.436 (5.5)

0.416 (5.1) 0.263 (3.7) 0.459 (5.6)

0.279 (4.1) 0.219 (3.2) 0.298 (3.9)

Moscow

Winter (3144) Summer (3168) Equinox (3168)

0.444 (6.1) 0.318 ( 4.0) 0.497 ( 6.7)

0.429 (6.0) 0.294 (3.6) 0.447 (5.9)

0.436 (6.1) 0.295 (3.6) 0.469 (6.1)

0.324 (5.2) 0.220 (2.7) 0.331 (4.3)

Dikson

Winter (2207) Summer (2400) Equinox (2375)

0.553 (10.3) 0.548 (10.3) 0.557 (10.3) 0.519 (9.6) 0.254 (3.7) 0.252 (3.7) 0.255 (3.7) 0.228 (3.3) 0.538 (7.2) 0.508 (7.0) 0.526 (7.1) 0.453 (6.0)

Winter (1790) Summer (1734) Equinox (1757)

0.827 (11.0) 0.816 (11.2) 0.821 (11.2) 0.786 (10.7) 0.602 (9.4) 0.622 (9.5) 0.599 (9.4) 0.665 (10.6) 0.626 (6.4) 0.617 (6.4) 0.608 (6.3) 0.599 (6.4)

Kodai kanal

TABLE 3 Same as Table 2 for Annual Average, Distinct for three Diurnal Periods Station

Part of day

RESSN12

I%2

RI2

MF2

Daytime (3084) 0.482 (4.7) Boul Nighttime (3028) 0.307 (5.6) der Twilight (2021) 0.391 (4.8)

0.449 (4.3) 0.290 (5.3) 0.367 (4.4)

0.467 (4.4) 0.296 (5.4) 0.375 (4.5)

0.319 (3.3) 0.213 (4.4) 0.251 (3.4)

Mos cow

Daytime (2998) 0.480 (4.7) Nighttime (2897) 0.330 (7.0) Twilight (3585) 0.448 (5.3)

0.434 (4.1) 0.314 (6.7) 0.422 (4.8)

0.450 (4.2) 0.324 (6.9) 0.431 (4.9)

0.294 (2.6) 0.282 (6.3) 0.308 (3.6)

Dik son

Daytime (1705) 0.328 (3.8) 0.318 (3.6) 0.327 (3.6) 0.275 (3.0) Nighttime (1573) 0.503 (11.4) 0.503 (11.5) 0.500 (11.3) 0.481 (10.8) Twilight (3704) 0.502 (6.6) 0.481 (6.4) 0.499 (6.6) 0.439 (5.7)

Daytime (2271) 0.489 (3.9) 0.486 (4.0) 0.477 (3.9) 0.473 (3.9) Kodai Nighttime(2099) 0.906 (15.9) 0.904 (16.0) 0.894 (15.9) 0.905 (16.5) kanal Twilight (911) 0.550 (5.8) 0.552 (5.8) 0.554 (5.8) 0.548 (5.8) TABLE 4 Same as Table 2 for Annual Average, Distinct for three Solar Activity Groups Station

Mos cow

Solar activity.

RI2

IG12

RESSN12

ME2

R12 < 35 (2928) 0.265 (4.8) < 105 (2925) 0.456 (5.4) R,2 > 105 (2280) 0.462 (5.0)

0.236 (4.3) 0.447 (5.2) 0.417 (4.5)

0.236 (4.3) 0.450 (5.3) 0.452 (4.7)

0.212 (4.0) 0.256 (3.7) 0.334 (3.5)

R,2 < 35 (3072) 0.277 (5.5) 35 < R,2 < 105 (3240) 0.453 (5.9) R,2 > 105 (3168) 0.508 (5.4)

0.247 (4.9) 0.432 (5.5) 0.468 (5.0)

0.245 (4.9) 0.437 (5.7) 0.493 (5.2)

0.192 (4.1) 0.271 (4.2) 0.388 (4.0)

< 35 (1750) 0.341 (8.0) < 105 (2688) 0.474 (7.4) R,, > 105 (2544) 0.523 (5.9)

0.327 (7.7) 0.470 (7.3) 0.499 (5.9)

0.327 (7.7) 0.485 (7.4) 0.514 (5.9)

0.306 (7.2) 0.397 (6.2) 0.493 (5.5)

Kodai R,2 < 35 (1861) 0.544 (10.1) 0.568 (10.7) 0.564 (10.7) 0.577 (11.2) 35 < R,2 < 105 (2003) 0.771 (8.4) 0.750 (8.2) 0.756 (8.2) 0.730 (8.1) kanal R,2 > 105 (1417) 0.751 (8.3) 0.753 (8.2) 0.724 (7.9) 0.754 (8.3)

(2)199

Appendix D

TABLE 5 foF2 Mean Deviations (in MHz) During Rising Part of Cycle 22. (CCIR Forecast in Parenthesis) Station (lat long)

06UT

12UT

;268 (.866) .204 (.856) .412 (.586)

.142 (.437) .220 (.413) .271 (.467)

.317 (.460) .341 (.544) .320 (.776)

.181 (.564) .305 (.571) .440 (.454)

1:

.234 (.432) .232 (.472) .299 (.318)

.346 (.298) .420 (.455) .358 (.609)

.364 (.382) .487 (.452) .288 (.606)

.218 (.521) .255 (.501) .342 (.388)

12

.262 (.540) .238 (.527) -384 (.554)

.236 (-451) .429 (.644) .546 (.838)

,464 (.353) .626 (.496) .432 (.848)

-254 (.473) .215 (-533) .454 (.718)

.293 (-383) .375 (.529) ,556 (.908)

.364 (.209) ,394 (.498) .286 (.619)

.292 (.989) .417 (1.26) .362 (1.10)

.377 (.505) .323 (.674) .310 (.559)

St.Peterburg

3

(60N,30.7E)

1:

Moscow (55.5N,37.33)

3

Sverdlovsk (5667N,61.1E) Khabarovsk

18UT

OOUT

Months in advance

3

(48.5N,135.1E) 126