George Proulx
OOPS
Fri May 10, 2019 18:09
24.113.243.48

Sorry - got that backwards. The coordinates should be read to the right and then up. Not up and to the right. So, 201 500 would be just over 2/10ths to the right and then half-way up the Charlie square inside of Target Area 164 on that Iwo Map.

See here:

https://www.armystudyguide.com/content/army_board_study_guide_topics/land_navigation_map_reading/grid-coordinates.shtml

  • Possible exampleGeorge Proulx, Fri May 10 18:00
    Target Area 164 Charlie. Grid 201 500 achieved by dividing the Charlie square into 100 additional squares and read from the bottom left up (IE. 201) then across to the right (IE. 500). So the exact... more
    • 'Read right up'drweiler, Sat May 11 08:11
      I remember that clue from Map Reading training at Quantico in the late 60's. I sent Tom attachment of my Map. Semper Fi, Don
      • Don's mapsTom Godwin, Sat May 11 09:20
        Thanks Don! This is pretty cool. More to chew on here. Looks like Lt Greene used the back to spot gunfire on the back of map. I understand what George sent on Iwo map and it makes perfect sense but... more
    • OOPS — George Proulx, Fri May 10 18:09
      • Re: OOPSTom Godwin, Fri May 10 19:47
        Thanks, George! I obviously am not a candidate for cryptographic corps :) I will need to absorb this. Still looks like the Tarawa map would require additional detail to zero in on an area.
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