Smiths Kelvin Hughes Nucleus 3 5000 Series, System Handbook

Page: 440 / 510

$—TTM Tar get data
Message
Type
Port Maximum
Message
frequency
Minimum
message
frequency
Talker 1 out,
2 out,
3 out
4 out
5 Hz 0 Hz
message description
Note - User data
When in Simulation Mode, ‘Simulated’ is sent in this field.
For ‘real’ target data this field will be NULL field.
Note - Target status
L = lost, tracked target has been lost
Q = query, this status is not used by Nucleus 2, as target
data is not transmitted until target has been acquired
T = tracking
Amdt 5 8aA.11 July 03
KH 2020
Chap 8a - Annex A
Type of acquisition A= automatic M= manual
Time of data UTC
Reference target = R else NULL field
$RATTM, xx, x.x,x.x,a,x.x,x.x,a,x.x,x.x,a,c—c,a,a,hhmmss.ss,a*hh<CR><LF>
Target status see Note
User data see Note
Speed/distance units K/N/S
Time to CPA, min, “-” = increasing
Distance of closest point of approach
Target course, true/relative (T/R)
Target course, degrees, true/relative
Target speed
Bearing from Ownship true/relative (T/R)
Bearing from ownship, degrees, true/relative
Target distance from ownship
Target number 00-99