Il Buzzer di questi tempi

Il titolo trasmette la sensazione preoccupata degli anziani quando raccontano di come stavano loro nei giorni che furono perche’ in fondo c’eravamo abituati alla cadenza regolare del suono seppur sgraziato del caro “Buzzer” (detto UVB-76 o S28) anzi, ne davamo talmente per scontata l’esistenza che i 4625 kHz erano una delle frequenza test dei nuovi […]

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IRRS-Shortwave update for Saturday Sept. 25, 2010

Riporto integralmente il messaggio di Ron Norton (Nexus) Hello There, Last Saturday we had a glitch on the audio link, and we missed one broadcast in the usual Saturday IPAR slot (International Public Access Radio, http://www.nexus.org/IPAR). Radio City (the radio of the cars) will then reschedule on Sept. 25, 2010, at the same time, i.e. […]

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  • Solar-Terrestrial Data

  • Solar Status


    PropagationStats

    Add PropagationStats to your ham radio site.
    Radio blackouts are graded on a scale of R1 to R5 as follows:
    Radio Blackouts Descriptor
    R5 Extreme
    R4 Severe
    R3 Strong
    R2 Moderate
    R1 Minor
    Solar flux is a measurement of the intensity of solar radio emissions with a wavelength of 10.7 cm (a frequency of about 2800 MHz).
    The value broadcast is in solar flux units that range from a theoretical minimum of about 50 to numbers larger than 300.
    The A and K indices are a measurement of the behavior of the magnetic field in and around the earth.
    The K index uses a scale from 0 to 9 to measure the change in the horizontal component of the geomagnetic field.


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    examples: AA 123 or JFK to LHR
    Don't Know the Code?

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