ARMY TM 5-6675-308-12
MARINE CORPS TM 08837A-12/1A
3-22.17. Marking.
14 * PAE--d
GPS differential elevation only
update
NOTE
15 * PAE g1-1
GPS influenced theodolite position
mark, standard control elevation
PADS measures elevation at ground level
and smoothed
under the plumb bob. If the survey marker
is at a different height, adjust the elevation
A g or d associated with numbers 1 or 2 indicate the mark data
for the difference.
has been affected by using a GPS or differential GPS update
a. The establishment of survey coordinates and azimuth
on either end, remembering that in the order of accuracy, the
with PADS is called "marking". PADS has the ability
update is the most accurate using known trig data, differential
to store data up to 50 positions, but is unlimited in the
GPS data, then GPS data, in that order. d1, g1, 1d, or 1g differ-
amount of positions which may be established in a
ential or GPS in conjunction with a theodolite mark. d2, g2,
mission. These stored positions are assigned an iden-
2d, or 2g differential or GPS in conjunction with a plumb bob
tification number along with a PAE display and are
mark.
stored in the mark table of the computer as discussed
in paragraphs 3-22.14 and 3-22.15. Identification
numbers (IDs) are assigned in numeric sequence for
a. PADS assigns an ID number to identify the data when
each mark or update. The PADS system does not
a mark or update is completed. The ID number
assign an ID number or PAE display for the initializa-
appears in the two left digits of the data display. E, N,
tion data. The first update SCP after initialization al-
EL, AZ, DIST,
TIME, and PAE for any previous
ways has the ID number 1. After 50 ID numbers have
mark or update may be recalled at any time except
been stored, another mark or update will overwrite
during a mark or update. The time of each mark or
the first ID data stored in the computer with the new
update may also be recalled. The recall procedure is:
mark or update data. Thereafter, each subsequent
mark or update will overwrite the next ID in
sequence.
OPERATION
DATA DISPLAY
(Present display)
12 N3835482.5
b. Positions can be established using the plumb bob as
reference or can be offset from the PADS system
Press --
ID
N3835482.5
using a theodolite (optical position mark, no azi-
Enter desired ID number,
7 N3835482.5
muth). Azimuths to distant landmarks can be estab-
e.g., 7
lished using a theodolite (optical position and
Press ENT
7 N3835961.5
azimuth mark). An azimuth of a short line (100 to
Press key(s) for desired
7 + EL 359.5
1000 meters) can be established by marking both
parameter(s), e.g., EL
ends of the required azimuth line with PADS
(2-position azimuth mark using plumb bob) or using
b. An alternate procedure is to press +/2 to increase the
theodolite and performing an optical position and
ID number by one or press /8 to decrease.
--
azimuth mark.
An optical position and azimuth mark requires the
c.
c. The PAE display is recalled by pressing ID twice.
--
operator to autoreflect, measure a horizontal angle,
d. The time of a mark or update is recalled by pressing
and measure the offset distance with a theodolite as
TIME.
described in paragraph 3-22.20. Marking procedures
Change 3
3-36.15
Previous Page
