d
ert.
15 cm
30 cm
ter, except
ld to +3 cm
- 66 =
Ground Control Points
Country | Org 5.1 5.218 5.21b 5.21c 5.22 5.23
Noo
femme
6 4 Yes No . No Yes 2nd order
7 3 ho- | Yes Yes Yes Yes Field horiz.: 1/10 000
riz. Slotted | Wild A7, Vertical 1/10 cont.inter.
4 vert. templa- ca, AAT 1/10 000 H
te AAT-ste- Vertic. 1/8 000 H
reocomp. ,
IBM
8 6 +
AAT-12 | No No Yes Yes — 0,2 mm (M)
9 5 Yes No Yes Yes Verto= 1/10 cont.l.inter.
10 J| 3 ho- | Yes No Yes Yes | Modified 2" order (1:10 000)
rize
6 vert.
11 3 ho- Yes No Yes Yes Horize pu order for AAT
rie. rà ;
6 Joni = order for plotting
Vert. = 1/10 cont.l.inter.
12 4 vert.) Yes No Yes Yes For 2"* order triangul. aver. tr.
closure 1,5 seconds.
Closure in lenght 1/20 000.
fi
2 order traverse:
clos.er. after azim.adj.
1,67°VD or 1:10 000
Vertical: - 1/10 cont.l.inter.
13 H2 no- [Yes Yes Yes Yes "National Standards"
| | rízs
i it 4 vert.
14 4 ho- | Yes No AAT for Yes Basic control
riz. | (Basic suppl.
H Rural area Urban a.
5 vert. contr.) past hor. 1/5000 1/10 000
cints. vert. 0,05 ŸM 0,035! VM
P (M=lenght of circuit in miles)
AAT: horiz. 1/200 M vert. 1/400