For details read this blog post: https://blog.intelx.io/2020/03/19/decoding-the-us-death-master-file/
Here's the converted file indexed in our search engine: https://intelx.io/?did=fd36a1b3-35ff-429b-8c19-e6a4e229ffb9
Download and install Go from https://golang.org/dl/. Compile it using this command (it compiles on Windows, Linux and Mac):
go build
Input:
001010001MUZZEY GRACE 1200197504161902
001010009SMITH ROGER 0400196902041892
001010010HAMMOND KENNETH 0300197604241904
001010011DREW LEON R V0830198706141908
Output as CSV:
Type,Social Security Number,Last Name,Name Suffix,First Name,Middle Name,Verified,Date of Death,Date of Birth,Blank 1,Blank2,Blank 3,Blank 4
,001010001,Muzzey,,Grace,,,1975-12-00,1902-04-16,,,,
,001010009,Smith,,Roger,,,1969-04-00,1892-02-04,,,,
,001010010,Hammond,,Kenneth,,,1976-03-00,1904-04-24,,,,
,001010011,Drew,,Leon,R,Verified,1987-08-30,1908-06-14,,,,
This is free and unencumbered software released into the public domain.