so, currently it can see 5 space vehicles, which should be enough to get
a fix (should be enough for an altitude fix)
phablet@ubuntu-phablet:~$ ubuntu-location-serviced-cli --bus system
--get --property visible_space_vehicles
Visible space vehicles:
(type: gps, prn: 8, snr: 0, has_almanac_data: 0,
has_ephimeris_data: 0, used_in_fix: 0, azimuth: 0 deg, elevation: 0 deg)
(type: gps, prn: 16, snr: 21, has_almanac_data: 0,
has_ephimeris_data: 0, used_in_fix: 0, azimuth: 0 deg, elevation: 0 deg)
(type: gps, prn: 21, snr: 23, has_almanac_data: 0,
has_ephimeris_data: 0, used_in_fix: 0, azimuth: 0 deg, elevation: 0 deg)
(type: gps, prn: 26, snr: 28, has_almanac_data: 0,
has_ephimeris_data: 0, used_in_fix: 0, azimuth: 0 deg, elevation: 0 deg)
(type: gps, prn: 27, snr: 0, has_almanac_data: 0,
has_ephimeris_data: 0, used_in_fix: 0, azimuth: 0 deg, elevation: 0 deg)
Attempted to unregister path (path[0] = com path[1] = ubuntu) which
isn't registered
reading https://en.wikipedia.org/wiki/GPS_signals reveals that the prn
basically identifies the satellite, snr might be a signal to noise ratio
but having 0 as has_ephimeris doesn't look so good. What is the expected
output of visible_space_vehicles?
Alan.
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