Entering Lat/Long coordinates

[Scooternutz]

I have read Chapter 14: Navigation. When I enter the new coordinates I can't seem to get the system to goto the edited data. I enter properly. Any help will greatly received.

 

Thank you!

[RAZBAM_ELMO]

When you're in your options tab. You need to make sure coordinates are in late long decimal. Now let's say you've done that and are now ready.

 

If you have a coordinate it will be displayed zz.yy.xxx normally. Essentially you round xxx to the nearest .xx decimal.

Done?

 

Excellent you get a cookie

 

Now get out those calculators kiddies. Time for some math.

 

Let's say you now have your rounded xx number. All you do now is divide by 60 et voila you have the converted coordinates ready for the system. If it happens that you have a 1.0 number at the 1 to your yy easy peasy.

 

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[Frederf]

Scooter, I don't understand the question. You entered nav data for a particular waypoint (one of 01 through 20) but you don't know how to select it to choose it for navigation cues?

 

The number next to the PREParation button is what's displayed and edited on the panel. The number next to the DESTination button is where the navigation instruments reference. To change press the button, enter the two-digit waypoint number (e.g. "0 2"). Alternatively don't enter any number and press the PREP or DEST button again to copy the number next to the DEST or PREP button.

[kobeshow]

Great Job @Elmo, patronising tone and wrong information on top. When you have selected Lat/Long decimal you don't need to convert the coordinates anymore, that is only necessary for arc seconds and the correct mathematical operation would be x/60*100

[Scooternutz]

Scooter, I don't understand the question. You entered nav data for a particular waypoint (one of 01 through 20) but you don't know how to select it to choose it for navigation cues?

 

The number next to the PREParation button is what's displayed and edited on the panel. The number next to the DESTination button is where the navigation instruments reference. To change press the button, enter the two-digit waypoint number (e.g. "0 2"). Alternatively don't enter any number and press the PREP or DEST button again to copy the number next to the DEST or PREP button.

 

I can change the Prep to the target coordinates, lets say 02. I can effectively changes the N and E Lat/Long. I then goto Dest and select 02 and it always brings me back to homeplate although the coordinates are set to something different. I will keep trying.

[Scooternutz]

Solved. Was entering East coordinates for Nevada. Duh!

[RAZBAM_ELMO]

Great Job @Elmo, patronising tone and wrong information on top. When you have selected Lat/Long decimal you don't need to convert the coordinates anymore, that is only necessary for arc seconds and the correct mathematical operation would be x/60*100

Well if you enter what decimal dcs gives you it's wrong where as the directions I gave are precise and exactly where you point your mouse. And FYI it was not patronizing it was an attempt to get a little humor in a simple situation to make the questioner feel more at ease and hey have a giggle. If you didn't find it funny cool don't comment and move along. If you see a flaw with my procedure then feel free to see if you can correct it or layout a step by step for the OP

 

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[Scooternutz]

Thanks for all the advice everyone. Happy flying!!!!

[RAZBAM_ELMO]

NP man

 

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[kobeshow]

Hi,

 

-deleted image-

 

Edit: I messed up completely on that image, but the main point I was trying to make is that DCS lat/long decimal coordinates do not need to be converted, that is only true for arcseconds.

Edited November 21, 2016 by kobeshow

[Robin_Hood]

There is an error on your image, though. In the first case, you got the latitude degrees wrong (44° instead of 41°). You are right that if you already have coordinates in XX° XX.XXX', you should not divide by 60 but simply round the decimal part to get XX° XX.XX'. However, this can not set you off by this much if you do something wrong with the decimal part. One minute of arc is only approximately 1 nautical mile, so you shouldn't expect a greater difference that this.

 

If the coordinates you get are in XX° XX' XX", however, then you divide the seconds by 60 and round it to 2 digits to get you coordinates.

[kobeshow]

whoops, thanks for pointing that out, edited for clarification, but the point still stands.

and you are also right on that second part so I'll just delete that image, BUT, and that is the one thing I was right on, is that lat/long decimal do not need to be converted.

Edited November 21, 2016 by kobeshow