NavCom SF-3050 Rev.A User Manual
Page 155

SF-3050 User Guide – Rev A
Glossary-153
COM# shortened form of the word Communications.
Indicates a data communications port to/from the
GPS sensor to a controller or data collection devi
Compact Measurement Record (CMR) a standa
format for DGPS corrections used to transmit
ce.
rd
nsors.
s of the GPS sensor.
convergence period (StarFire) is the time necessary
for the received StarFire signal corrections to be
applied and the position filtered to optimal
performance. The convergence period is typically 30
to 45 minutes to achieve
method.
data files files that contain Proprietary, GPS, NMEA,
RTCM, or any type of data logged from a GPS
receive
datum A
stant
surface which can be used to describe the location of
un
po
odetic
ze and
shape of the
nd th
n of
the coordina
ms u
B9P a type of electrical connector containing 9
a
corrections from a reference station to rover se
See Related Standards in Notices.
controller a device consisting of hardware and
software used to communicate and manipulate the
I/O function
r.
reference datum is a known and con
known
ints. Ge
a
datums define the si
earth
e origin and orientatio
o map the earth.
te syste
sed t
D
contacts. The P indicates a plug pin (male).
DB9S a type of electrical connector containing 9
contacts. The S indicates a slot pin (female).
DCE Data Communications Equipment. Defined pin
assignments based on the IEEE RS-232 signaling
stand rd. See the Figure G-1: