Very simple program to calculate grid square from known
latitude / longitude or calculate latitude / longitude
from know grid square.  Includes source code in AMOS.

 PERMSSN    UID  GID    PACKED    SIZE  RATIO     CRC       STAMP          NAME
---------- ----------- ------- ------- ------ ---------- ------------ -------------
[generic]                46304   65340  70.9% -lh5- 588a Sep  5  1994 gridlocator
[generic]                  432    1362  31.7% -lh5- ee70 Sep  5  1994 gridlocator.info
[generic]                 1655    5025  32.9% -lh5- 991f Sep  5  1994 gridloc.asc
[generic]                  173     286  60.5% -lh5- 2c71 Sep  5  1994 gridloc.readme
---------- ----------- ------- ------- ------ ---------- ------------ -------------
 Total         4 files   48564   72013  67.4%            Sep  6  1994