This worked.

I built a file FROG1;REC=-100   then used FCOPY to copy the original JCL(XHUR100B) to FROG1.

FILENAME  CODE  ------------LOGICAL RECORD-----------  ----SPACE----
                  SIZE  TYP        EOF      LIMIT R/B  SECTORS #X MX

XHUR100B          256B  FA        1520       1524   1     1536  6 16


AMISYS9T:listf frog1,2

FILENAME  CODE  ------------LOGICAL RECORD-----------  ----SPACE----
                  SIZE  TYP        EOF      LIMIT R/B  SECTORS #X MX

FROG1             100B  FA        1521       5001  40     1024  4 19

I streamed FROG1 and  did not have the error 43!

Thanks
Ron Wallace