timestamp,date & time,rx_call,rx_grid,snr M0YSB,snr G8WVW,snr diff,freq M0YSB,freq G8WVW,tx_grid M0YSB,tx_grid G8WVW,power_dbm M0YSB,power_dbm G8WVW,drift M0YSB,drift G8WVW,distance,azimuth