Appendix G
DETERMINING DATA
The purpose of this appendix is to assist in determining data with a GFT.
G-1. Basic HE Data (155AM2HEMI07 GFT)
The procedures for using the 155AM2HEM107 GFT are discussed in Table G-1.
G-2. Determine Firing Data From an HA GFT (GFT Setting Applied)
Table G-2 shows the procedures used to determine firing data from a high-angle GFT with the GFT setting applied.
G-3. DPICM Data (155AM2HEM107 GFT)
The procedures for using the 155AM2HEM107 GFT to determine DPICM data are discussed in Table G-3.
G-4. M825 Smoke Data (155AM2HEM 107/M825 GFT)
The procedures for using the 155AM2HEM107M4825 GFT to determine smoke data are discussed in Table G-4.
G-5. ADAM and RAAMS Data (155ANIM483A1 GFT)
The procedures for using the 155AN1M483A1 GFT to determine ADAM and RAAMS are discussed in Table G-5.
G-6. Construct a GFT Setting From an HE Registration on an Illuminating GFT
Table G-6 shows the procedure for constructing a GFT setting from an HE registration on an illum GFT.
G-7. Determine Firing Data From an Illuminating GFT (GFT Setting Applied)
Table G-7 shows the procedures for determining firing data from an illuminating GFT with a GFT setting applied.
G-8. Examples
a. Table G-8 shows the procedures for determining firing data from a low-angle HE GFT (GFT setting applied) for an HE adjust fire mission with fuze VT in effect. The GFT setting determined from the registration is:
GFT 1/A: Chg 4, Lot AG, Rg 4960, El 315, Ti 18.6
Tot Df Corr RIGFT Df Corr R7
Apply the GFT setting to the appropriate GFT. The HCO announces the following chart data:
The VCO announces SITE -6.
b. Table G-9 shows the procedures for determining firing data from a low-angle HE GFT (GFT setting applied) for an HE adjust-fire mission with shell DPICM in effect. The GFT setting determined from the registration is:
Tot Df Corr RI GFT Df Corr R7
Apply the GFT setting to the appropriate GFT. The HCO announces the following chart data:
The VCO announces SITE -7.
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NOTE: The steps in Table G-9 are for determining DPICM firing data once the HE rounds have been adjusted. The steps for determining HE firing data are the same as shown earlier. |
c. Table G-10 shows the procedures for determining firing data from a high-angle GFT (GFT setting applied). The GFT setting determined from the registration is:
Tot Df Corr L34 GFT Df Corr R18
Apply the GFT setting to the appropriate GFT. The HCO announces the following chart data:
The VCO announces ANGLE OF SITE -9.
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NOTE: Figure G-3 shows a completed ROF for an HE high-angle FFE mission with fuze VT in effect. Firing data were determined by using a GFT setting. |
d. Table G-11 shows the procedures for constructing a GFT setting on an illum GFT (HE registration). The GFT setting determined from the registration is:
Tot Df Corr L0 GFT Df Corr L14
Apply the GFT setting to the appropriate illum GFT.
e. Table G-12 shows the procedure for determining firing data from an illum GFT with a GFT setting applied. Use the GFT setting shown in paragraph d to determine firing data.
The HCO announces the following chart data:
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NOTE: Use the 550 HOB scale to determine firing data. |
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NOTE: Figure G-4 shows a completed ROF for an illum range and lateral spread fire mission. Firing data were determined by using a GFT setting. |
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