Monday, Jun 15, 2015 at 18:47
oh
well if you wish..quickly...
Methods/results/conclusions - did you write all this down or just remember it? If you are just recalling it (in particular methods and results) then likely an immediate fail. Needs to be written down in detail at time
Your location
Date
Time
GPS type, antenna type, battery charge, software version, SD card, type. Maps/waypoints auto load/unloaded.
What process does the gps go through upon start up. Is this consistent in all cases.
Timing device - methods in detail - estimating (hence use of ~ I see), guessing or using a stop watch?
GPS location - In car/on person
Location in car, plug in to power or battery
What type of car - windscreen treatment/tinting/sunroof
Direction car was facing. People/obstructions in car that could potentially block signal.
Cloud rating (heavy/light - objective or subjective assessment?)
Rain rating (heavy/light - objective or subjective assessment?)
GPS sat constellation/Number of GPS sats in "view". Number ultimately locked onto, number not.
In all cases (good and bad weather) - Extent of weather conditions (local/regional). Weather conditions between each sat and your gps (they are not all above you head - some are at acute angles - what was the "weather" like along the total extent of each signal gps path).
Last location/date/time GPS was turned on previous to "experiment" commencing.
Terrain/Buildings/Vegetation/Cars/trucks etc in vicinity.
Number of times "experiment" repeated in ideal conditions and "raining/cloudy" conditions.
That should do for time being.
Have to go to work - with my gps in hand (hope its not cloudy :)
Cheers
Greg
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