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			51 lines
		
	
	
		
			1.2 KiB
		
	
	
	
		
			Fortran
		
	
	
	
	
	
			
		
		
	
	
			51 lines
		
	
	
		
			1.2 KiB
		
	
	
	
		
			Fortran
		
	
	
	
	
	
| program pulsar
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| 
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| !  Receives timf2 data from Linrad and saves it for pulsar processing.
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| 
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|   parameter (NSPP=174)
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|   logical first
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|   integer*1 userx_no,iusb
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|   integer*2 id
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|   integer*2 nblock,nblock0
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|   integer*2 id2(1000)
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|   real*8 center_freq
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|   common/plrscom/center_freq,msec,fselect,iptr,nblock,userx_no,iusb,id(4,NSPP)
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| !                     8        4     4      4    2       1       1    1392
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|   data first/.true./,nblock0/0/,sqave/0.0/,u/0.001/
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|   save
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| 
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|   call setup_rsocket
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| 
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|   k=0
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| 
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| 10 call recv_pkt(center_freq)
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|   lost=nblock-nblock0-1
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|   if(lost.ne.0 .and. .not.first) print*,'Lost packets:',lost,nblock,nblock0
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|   nblock0=nblock
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| 
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|   sq=0.
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|   do i=1,NSPP
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|      sq=sq + float(int(id(1,i)))**2 + float(int(id(2,i)))**2 +      &
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|           float(int(id(3,i)))**2 + float(int(id(4,i)))**2
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|   enddo
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|   sqave=sqave + u*(sq-sqave)
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|   rxnoise=10.0*log10(sqave) - 48.0
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| 
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|   k=k+1
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|   id2(k)=0.001*sq
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|   if(k.eq.1000) then
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|      write(*,1000) center_freq,0.001*msec,nblock,sqave,rxnoise,id2(1)
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|      write(13,1000) center_freq,0.001*msec,nblock,sqave,rxnoise,id2(1)
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| 1000 format(f7.3,f11.3,i7,f10.0,f8.2,i8)
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|      write(12) center_freq,msec,nblock,id2
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|      call flush(12)
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|      call flush(13)
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|      k=0
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|   endif
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| 
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|   go to 10
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| 
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| end program pulsar
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| 
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| ! To compile: % gfortran -o pulsar pulsar.f90 plrr_subs.c
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