LWPC Calculator
See
http://sidstation.loudet.org/stations-list-en.xhtml
for transmitter list
Date/time:
(Universal time YYYY-MM-DD HH:MM)
TX latitude:
(Decimal degrees, north positive)
TX longitude:
(Decimal degrees, east positive)
TX frequency:
(kHz)
TX power:
(ERP Watts, eg 10 or 5e-3, etc)
RX latitude:
(Decimal degrees, north positive)
RX longitude:
(Decimal degrees, east positive)