Letter (1989): 870 kHz Radio Central - Campinas SP, BRAZIL

STATION: Radio Central- Campinas SP, BRAZIL 

FREQUENCY: 870 kHz 

RECEPTION: in São Bernardo SP, BRAZIL / April 21, 1989 - 18:14h UTC 

RECEIVER / ANTENNA: Sony ICF2002 + Ferrite (rx)   

LANGUAGE: Portuguese 

DISTANCE: 91 km (from Campinas to São Bernardo). 

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