Users manual
$GPNVS
Revision #:
R
Date:
8/25/20
Page #:
11 of 24
www.novuspower.com
1.7 Status String ($GPNVS,7) Status Bytes
$GPNVS 7 nnnnnn nnnnnn A nn 0x00
0
0
0
nnnnnn n.nn n.nn
*
XX
1
2
3
4
5
6
7
8
9
10
11
12
13
14
# Description
Range
1.
Identifier
$GPNVS
2.
String ID
7
3.
Time
hhmmss
4.
Date
mmddyy
5.
GPS Lock
“A” = Valid, “V” = Not Valid
6.
# of Sats in View (1)
Greater of GPS or GNSS count, “N” = N/A
7.
Error Byte
0x00 to 0xFF
8.
Freq Diff
±999 (last count, clock cycles)
9.
PPS Diff
±999 (last count, clock cycles)
10.
Freq Correction Slice
±999 (DAC bits, per second)
11.
DAC Value
Integer Representation, n x 1/(2^20)
12.
Power Supply
Vdc
13.
Power Supply
Vdc
14.
NMEA Checksum
*XX (xor’d value of bytes between $ and *)
Example:
$GPNVS,7,161505,081617,A,12,0x00,-1,-2,0,5.05,-4.66*58