Rikaline – Rikaline GPS-24/24A User Manual
Page 22
GPS Receiver Board
GPS-24 / 24A Operating Manual
Rikaline
Specifications subject to change without prior notice
Rikaline
International Corp.
14F, 171, ChengGong Rd, Sanchong CityTaipei 241, Taiwan
Tel: ++886 2 8973 1899 Fax: ++886 2 8973 1896 E-Mail:
Web: www.rikaline.com.tw
PNMRX301 message 3 field list
Field Format
width
scale
units
Notes
Message ID
$PNMRX301
8
PNMRX301 protocol header.
Satellite
Vehicle Id
Int
2
Decimal satellite vehicle id
from 1 to 32.
Subframe Id
Int
1
Subframe number 3.
Cic Hex 4
2
-29
Radians
16 bit signed integer.
Omega zero
Hex
8
2
-31
Semi- circles
32 bit signed integer.
Cis Hex 4
2
-29
radians
16 bit signed integer.
I Zero
Hex
4
2
-31
Semi- circles
32 bit signed integer.
Crc Hex 4
2
-5
Meters
16 bit signed integer.
Perigree Hex
8 2
-31
Semi- circles
32 bit signed integer.
Omega dot
Hex
6
2
-43
Semi- circles/sec
24 bit signed integer.
Iode
Hex
2
Lower 8 bits of matching iodc.
I dot
Hex
4
2
-43
Semi- circles/sec
14 bit signed integer.
Checksum
*xx
(0) 3
2 digits.
Message
terminator
<CR> <LF>
2
ASCII 13, ASCII 10.
C.12 $PNMRX302, Ionospheric correction
Field Format
width
scale
units
Notes
Message ID
$PNMRX302
8
PNMRX301 protocol header.
Satellite Vehicle Id Int
2
Decimal satellite vehicle id
from 1 to 32.
α 0
Hex
2
2
-30
α 1
Hex
2
2
-27
α 2
Hex
2
2
-24
α 3
Hex
2
2
-24
β 0
Hex
2
2
11
β 1
Hex
2
2
14
β 2
Hex
2
2
16
β 3
Hex
2
2
16
Checksum
*xx
(0) 3
2 digits.
Message
terminator
<CR> <LF>
2
ASCII 13, ASCII 10.
C.13 $PNMRX303,UTC time
Field Format
width
scale
units
Notes
Message ID
$PNMRX303 8
PNMRX301 protocol header.
Satellite
Vehicle Id
Int
8
Decimal satellite vehicle id from 1 to 32.
Data – A0
Hex
2
Constant term of the polynomial
Data – A1
Hex
2
First-order term of the polynomial.
Delta t LS
Hex
2
Delta time due to leap seconds.
Tot
Hex
2
Reference time for UTC.
WNt
Hex
2
UTC reference week number
WNlsf
Hex
2
Week number at which the leap second
becomes effective.
DN Hex 2
Day
number
B2.
Delta t LSF
Hex
2
Delta time due to leap seconds if leap
second is ini the past.
NumBlocks
Hex
2
Number of 20 year blocks
Time Offset
Hex
2
Time offset for current time zone
Checksum
*xx
(0) 3
2 digits.
Message
terminator
<CR> <LF>
2
ASCII 13, ASCII 10.