There's a lot more to GPS navigation than hitting direct-to...

1. 1) In order for your GPS to gather position and altitude information, how many satellites need to be in view at all times?

   GPS receivers need 4 satellites in view to get an accurate position and altitude. 

   GPS receivers need 4 satellites in view to get an accurate position and altitude. 

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2. 2) Your examiner asks you what RAIM is, so you tell them...

   Receiver Autonomous Integrity Monitoring is a system that monitors the integrity of signals transmitted from satellites to determine if they are reliable or not.

   Receiver Autonomous Integrity Monitoring is a system that monitors the integrity of signals transmitted from satellites to determine if they are reliable or not.

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3. 3) How many satellites are required for RAIM to detect a bad satellite and continue navigation (excluding baro-aiding) in the event of a failed satellite?

   A minimum of 5 satellites is required to detect a bad satellite. At least 6 satellites are required to detect and exclude a bad satellite from the navigation solution if your receiver has a fault detection and exclusion (FDE) RAIM capability.

   A minimum of 5 satellites is required to detect a bad satellite. At least 6 satellites are required to detect and exclude a bad satellite from the navigation solution if your receiver has a fault detection and exclusion (FDE) RAIM capability.

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4. 4) What is baro-aiding?

   Baro-aiding, as stated in the Pilot's Handbook of Aeronautical Knowledge, "is a method of augmenting the GPS integrity solution by using a nonsatellite input source." In other words, using an external source (barometric altimeter) to crosscheck and improve the integrity of the GPS system.

   Baro-aiding, as stated in the Pilot's Handbook of Aeronautical Knowledge, "is a method of augmenting the GPS integrity solution by using a nonsatellite input source." In other words, using an external source (barometric altimeter) to crosscheck and improve the integrity of the GPS system.

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5. 5) Describe the baseline GPS satellite constellation...
   

   According to the Pilots Handbook of Aeronautical Knowledge, the baseline satellite constellation is composed of 24 total satellites, with 6 orbital planes. Within each orbital plane, 4 satellites exist with an extra slot of an additional satellite.

   According to the Pilots Handbook of Aeronautical Knowledge, the baseline satellite constellation is composed of 24 total satellites, with 6 orbital planes. Within each orbital plane, 4 satellites exist with an extra slot of an additional satellite.

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6. 6) How many total satellites could be included in the baseline satellite constellation if needed?

   Since each orbital plane includes and extra slot, that would be 6 extra satellites. That would make a grand total of 30 satellites.

   Since each orbital plane includes and extra slot, that would be 6 extra satellites. That would make a grand total of 30 satellites.

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Well, that could have gone better...

You scored %. Time for some studying.

That was a little bumpy...

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Nailed it!

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