MDC-7000/7900 Series
Chapter 11 Appendix
0093169010-10
11-25
11.4 Details of TT tracking data output
Data standard name: IEC61162-1 or IEC61162-2
Target data of the automatic tracking unit is provided via data connectors (NAV/EPFS/SDME) on
the back panel.
TTD
Tracked target data
x*hh<CR><LF>
Check sum
Number of fill-bits, 0 to 5
Encapsulated tracked target data
Sequential message identifier, 0 to 9
Hex sentence number, 01 to FF
Total hex number of sentences needed to transfer the message, 01 to FF
TLB
Target label
*hh<CR><LF>
Check sum
Additional label pairs (x.x, c--c)
Label assigned to target 'n'
Target number 'n' reported by the device
TTM
Tracked target message
*hh<CR><LF>
Target
Target
Target
UTC
Check sum
distance
course,
label
Reference
Type of
from
degrees
Speed/
target=R,
acquisition
ow n ship
true
distance
null otherw ise
A=Automatic
Target number,
Target speed
units, N
Target status
M=Manual
00 to 99
Time to CPA
L=Lost
R=Recorded
Bearing from ow n ship,
(min)
Q=Query
degrees true
Distance of closest
T=Tracking
-point-of-approach
x.x, x.x, N, c--c,
a, a,
hhmmss.ss,
a,
$ RATTM, xx, x.x, x.x, T, x.x, x.x, T,
$
! RATTD, hh, hh, x, s--s,
RATLB, x.x, c--c, x.x, c--c,
…x.x, c--c
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