O 500.13
; this f1 list needs to have the frequency of 
; the amides and water (one per line) repeated
; 2*ns times. 
; then a frequency far off resonance
; and the water are repeated 2*ns times.
; for example for 8 scans:
10530.26	; middle of amides
9031.00		; water
10530.26
9031.00
10530.26
9031.00
10530.26
9031.00
10530.26
9031.00
10530.26
9031.00
10530.26
9031.00
10530.26
9031.00
10530.26
9031.00
10530.26
9031.00
10530.26
9031.00
10530.26
9031.00
10530.26
9031.00
10530.26
9031.00
10530.26
9031.00
10530.26
9031.00
100530.26	; way off resonance
9031.00		; water
100530.26
9031.00
100530.26
9031.00
100530.26
9031.00
100530.26
9031.00
100530.26
9031.00
100530.26
9031.00
100530.26
9031.00
100530.26
9031.00
100530.26
9031.00
100530.26
9031.00
100530.26
9031.00
100530.26
9031.00
100530.26
9031.00
100530.26
9031.00
100530.26
9031.00