The file is normally in /vnmr/wavelib/excitation/eburp2. In case you have somehow deleted this I reproduce it below.

George Gray Agilent Technologies

eburp2: E-BURP-2, pure phase top hat excitation pulse

Geen & Freeman, JMR 93 (1991) 93

%

Shape Parameters

----------------

amf = fs (amplitude modulation function) fla = 93.6 (default flipangle on resonance) pwbw = 4.6 (pulsewidth to bandwidth product) steps = 200 (default number of steps)

Fourier Coefficients

--------------------

cols = 2 (columns) rows = 10 (rows)

a(0) b(0)

------------

     0.26    0.00
     0.91   -0.16
     0.29   -1.82
    -1.28    0.18
    -0.05    0.42
     0.04    0.07
     0.02    0.07
     0.06   -0.01
     0.00   -0.04
    -0.02    0.00

You can use pbox to create the shape.