CAL2 AAE   BHZ IU   CMG-3T   1.88E-01   1.000   20.00000 1995/05/17 00:00

ft: CAL2  is startin keyword
nt: Sta (AAE)
nt: Comp (BHZ)
nt: Net (IU)
nt: Sensor Type (key off of this?) (CMG-3T)
nt: sensitivity (huh?)(1.88E-01)
nt: ref period?(1.000)
nt: samp rate (20.00)
nt: start date/time (1995/05/17 00:00)
<LF>

PAZ2  1 C  3.06125641E+16                 9   3 CMG-3T
ft: PAZ2 is PZ keyword
nt: 1 (ignore!)
nt: C (ignore!)
nt: gain (3.06125641E+16)
nt: num poles(9)
nt: num zeroes(3)
nt: sensor type (CMG-3T)
<LF>
then "num poles" lines of poles and "num zeroes" lines of zeroes
with the format for both being
ft: real(-4.44221012E-02)
nt: imag(1.23338997E-02)
<LF>

Properly Terminated by a blank line:
ft:<LF>

DATA_TYPE LOG  /* signifies end of data section, write to logfile*/
ft: DATA_TYPE 
nt: LOG

DATA_TYPE ERROR_LOG /* signifies end of LOG section */

STOP  /* EOF */
ft: STOP
