Frecuencia crítica de la región F de la ionosfera sobre la isla Rey Jorge, Antártica
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1994
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Se comparan los valores observados de la frecuencia critica mediana mensual de la región F de la ionosfera sobre la isla Rey Jorge, Antártica, con los determinados según el modelo del Comité Consultivo Internacional de Radiocomunicaciones. Se usan los valores medidos con la estación ionosférica de Base Marsh2 (62º 12'S., 58º 54'W.), a cada hora durante marzo, junio, septiembre y diciembre de los años 1986 y 1989, que corresponden a condiciones representativas de actividad solar baja y alta, respectivamente. Se encuentran diferencias sistemáticas entre los valores observados y los calculados según el modelo para ambos niveles de actividad solar, particularmente en verano, en que el modelo no describe adecuadamente la variación diurna.
Observed values of monthly-median ionospheric F-region critical frequency for King George Island, Antarctica, are compared with those determined using the International Radio Consultative Committee model. Hourly values mesaured at Base Marsh 2 (62º12 'S., 58º54'W.) ionospheric station are used, corresponding to March, June, September and December of 1986 and 1989, representative of both, low and high solar activity levels, respectively. Systematic differences are found between observed values and these determined using the model for both low and high solar activity level, particularly for Summer, a season for which the model does not adequately account for the diurnal variation.
Observed values of monthly-median ionospheric F-region critical frequency for King George Island, Antarctica, are compared with those determined using the International Radio Consultative Committee model. Hourly values mesaured at Base Marsh 2 (62º12 'S., 58º54'W.) ionospheric station are used, corresponding to March, June, September and December of 1986 and 1989, representative of both, low and high solar activity levels, respectively. Systematic differences are found between observed values and these determined using the model for both low and high solar activity level, particularly for Summer, a season for which the model does not adequately account for the diurnal variation.
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Serie Científica, nº 43, pp. 67-72, 1993