Search Results

As long as the NUL bytes are field terminators (not field separators) and there are 80 fields per record, the following will add a <newline> character at the end of each input record in the file...

The *nix text utilities are NOT the best to deal with binary files like the one that you post. Would this come close to what you need?
sed 's/\o000/&\n/162;s/\o000/&\n/81'...

split -C might not be the perfect fit but something to look into. Or, try
sed 's/./&\n/480;s/./&\n/400;s/./&\n/320;s/./&\n/240;s/./&\n/160;s/./&\n/80;' file

Looks like I've misread/misinterpreted your specification. Sorry for that.
So, in your picture, we're seeing many empty fields (e.g. 15 after the first), 81 fields make up a record of unpredictable...