public double[] do300baudFSKHalfSymbolBinRequest (CircularDataBuffer circBuf,int start,int bin0,int bin1)	{
		double vals[]=new double[2];
		// Get the data from the circular buffer
		double samData[]=circBuf.extractDataDouble(start,13);
		double datar[]=new double[FFT_64_SIZE];
		// Run the data through a Blackman window
		int a;
		for (a=0;a<datar.length;a++)	{
			if ((a>=25)&&(a<38)) datar[a]=samData[a-25];
			else datar[a]=0.0;
			datar[a]=windowBlackman(datar[a],a,datar.length);
			}
		fft64.realForward(datar);
		double spec[]=getSpectrum(datar);
		vals[0]=spec[bin0];
		vals[1]=spec[bin1];
		return vals;
		}