SEG2 to SEGY is a small utility to do what it says - convert SEG2 files to SEGY

It only handles the 32Bit IEEE number format.

It is intended for Uphole and Refraction data sets so the header entries are
tailored for this. Not all header information is transfered - the SEG file formats are so pig awful that it is difficult to decide what goes where.
For those interested, some more information on how bad the SEG is at file formats here:

The user assumes all reponsibility for use of the program. If it doesn't suit your needs, look somewhere else.
No instructions are provided except as shown here. It is very simple to use though - even Americans should be able to work it out.