u-blox ZED-F9P - Page 155

u-blox ZED-F9P Interface Description - Manual
Advance Information
Name Description
health
SV health:
0: unknown
1: healthy
2: not healty
visibility
SV health:
0: unknown
1: below horizon
2: above horizon
3: above elevation mask
Bitfield eph
This graphic explains the bits of eph
Name Description
ephUsability
How long the receiver will be able to use the stored ephemeris data from now on:
31: The usability period is unknown
30: The usability period is more than 450 minutes
30 > n > 0: The usability period is between (n-1)*15 and n*15 minutes
0: Ephemeris can no longer be used
ephSource
0: not available
1: GNSS transmission
2: external aiding
3-7: other
Bitfield alm
This graphic explains the bits of alm
UBX-18010854 - R04 Advance Information Page 147 of 259