NavCom SF-3050 Rev.B - Manual (Page 192)

SF-3050 User Guide – Rev B
change in the correction parameters. The transmitted
IODC will be different from any value transmitted by
the satellite during the preceding seven days.
JPL Jet Propulsion Laboratory.
Kbps kilobits per second.
L-Band the group of radio frequencies extending
from approximately 400MHz to approximately
1600MHz. The GPS carrier frequencies L1
(1575.4MHz) and L2 (1227.6 MHz) are in the L-Band
range.
L1 carrier frequency the primary L-Band carrier
used by GPS satellites to transmit satellite data. The
frequency is 1575.42MHz. It is modulated by C/A
code, P-code, or Y-code, and a 50 bit/second
navigation message. The bandwidth of this signal is
1.023MHz.
L2 carrier frequency the secondary L-Band carrier
used by GPS satellites to transmit satellite data. The
frequency is 1227.6MHz. It is modulated by P-code,
or Y-code, and a 50 bit/second navigation message.
The bandwidth of this signal is 10.23MHz.
L2C carrier frequency a L-Band carrier used by
GPS satellites to transmit satellite data. The
frequency is 1227.6MHz. It is identical to L2 carrier
frequency except that it is also modulated by C/A
code, which provides a narrower band and is easier
to track.
L5 carrier frequency a L-Band carrier used by GPS
satellites to transmit satellite data. The frequency is
1176.45MHz. Like L2, L5 better characterizes the
ionosphere and the atmosphere.
lat see latitude.
latitude (lat) the north/south component of the
coordinate of a point on the surface on the earth;
Glossary-190