MATLAB: How to read from one column of excel (from row 40 to 80) and can match it with the other column as well

MATLABxlsread

Hi Guys, I am trying to show five satellites in one plot.I have one excel file with 32 column and one of the column is related to time so I need to plot it in a specific time for ex, (5-10)ut. The problem is can not match the dimension of the rest matrix.
data=xlsread('1612_2.xls');
data_filterr=find(data(:,25)>60);
data_filtered=data(data_filterr,:);
elev_cutof20=find(data_filtered(:,6)>30);
data_cutoff15=data_filtered(elev_cutof20,:);
r=data_cutoff15(:,2);
time=(r./3600)-24*2;
s4r=data_cutoff15(:,8);
s4cor=data_cutoff15(:,9);
s4=sqrt(s4r.^2-s4cor.^2);
PRN=data_cutoff15(:,3);
I want to plot each PRN different color(satellite)in a certain time in a one figure. Could be for example, 5 PRN at that time.
Could you please help me?

Best Answer

 data = xlsread('1612_2.xls','A40:AF80');
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