$FREQUENCY_QUERY->execute( );
		while ( ($FREQUENCY_ID) = @FREQUENCY_QUERY = $FREQUENCY_QUERY->fetchrow_array() )
		{
		
		$FREQUENCY_ID = "$FREQUENCY_QUERY[0]";
		$FREQUENCY = "$FREQUENCY_QUERY[1]";
				

			$CHANNEL_QUERY->execute( );	
### better ###
$FREQUENCY_QUERY->execute( );
while ( ($FREQUENCY_ID) = @FREQUENCY_QUERY = $FREQUENCY_QUERY->fetchrow_array() )
{
        
    $FREQUENCY_ID = "$FREQUENCY_QUERY[0]";
    $FREQUENCY = "$FREQUENCY_QUERY[1]";
                
    $CHANNEL_QUERY->execute( ); 
  
    ....
}