data00.0001 - 0002 (04/17/09 and 04/21/09 setup sans Tx/Rx attenuation)
250 - 390 MHz DDS Frequencies
270 us pulse length
16000 record length
2 kHz PRF
4 presums

data01.0001 - 0002 (04/24/09 setup sans Tx/Rx attenuation)
250 - 369 MHz DDS frequencies
270 us pulse length
16000 record length
2 kHz PRF
4 presums

data02.0001 - 0002 (05/01/09 setup sans Tx/Rx attenuation)
250 - 328 MHz DDS frequencies
150 us pulse length
9000 record length
3.6 kHz PRF
4 presums

data03.0001 - 0002 (05/02/09 setup sans Tx/Rx attenuation)
250 - 282 MHz DDS frequencies
63 us pulse length
4000 record length
8 kHz PRF
4 presums

Determining data length
floor((param.pulse_len.*param.sampling_freq)./1000).*1000;

Sampling frequency is 58.32 MHz for the Greenland 2009 data