Amen, Ken.
On 10 Jun 2009, at 16:55, Ken Norton wrote:
>>
>> You are a technical dude, so I dont have to explain to you what the
>> limitations of the GPS system are.
>>
>
> LOL, I learned some of those limitations the hard way. One of the
> most
> important things to remember is that a GPS is no substitute to using
> your
> brain. Bill and Joel are probably still wondering how I got them
> into the
> "Great Canoe Adventure" where our camera gear almost ended up at the
> bottom
> of Lake Superior.
In our little fly-moped (Grob 115E) we have a fairly basic GPS (over
on the instructor's side, not easily visible from the student's
seat ;-)), but it keeps the average chap out of trouble in grotty
weather (like today, big downpours and lowish cloud with poor
visibility). But it's a differential GPS, dating from the days of the
degraded civilian reception. All reception is the same now, as far as
I know, but the differential system serves to keep track of students
out on their solo navigation trips. There is a readout in the ATC
tower which the instructor can monitor as it shows the position of the
GPS unit in the aircraft; if the student ever becomes "temporarily
unaware of their position" the instructor can play demigod and guide
him or her back to track.
Chris
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