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Great tool and a question about ALSF-2

Henry Street

Henry Street

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unitedstates
Thanks for this wonderful, handy utility! I am new to scenery design and it is enabling me to do some very advanced lighting with minimal learning curve.

So my question is about generating an ALSF-2 array. The airport I am working on is KNLC NAS Lemoore. It clearly has 20 strobes based on airport info and aerial photography. When I configure this in the array def and try to generate, I get "invalid sequence/flashes number" on the first strobe def.

When I reduce the number of strobes to 15 and change "/20" to "/16", the array is generated.

Is this an issue with the software or something I am doing incorrectly?

Thanks

Henry
 
AFLT supports a maximum of 16 strobes. You must select n/8 or n/16.

Don
 
So I'm guessing all I can do is spread the 16 lights out across the 2000' distance? Any other way to manually insert extra strobes?
 
I misinterpreted ALSF 2 configuration. That's why the 16 maximum. I'll see if I can increase the maximum number of strobes (but, it may be a few days). In the meantime, I suggest your don't place the intermediate strobes, so you'll have a total of 10 co-located with the approach lighting structures.
 
In checking the code, I realized it was a trivial change to make the maximum number of strobes any power of two. I have made a development release that allows 32. (I want to ensure just doing that is a satisfactory solution to your issue before including it in a general release.)

You can download that development release from http://stuff4fs.com. Navigate to the User Applications / AFLT page and click the Development Release menu item.

Please let me know if it satisfies the need.

Don
 
Wow, thanks for your complete consideration with this one! I will try the dev version this evening and let you know what happens.

Again, really appreciate your thorough investigation.
 
In the earlier release, I neglected to make an essential change. If you've already downloaded the development release, please do it again (You'll get Version 1.0.01(b) this time.)

Don
 
Don, got the 1(b) release and unfortunately no joy. Attached is the error message and the array def file (renamed as .txt). If you would take a look at them, that would be great.

Thanks again for all your great help.

Henry
 

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  • KNLC_ALSF-2.def.txt
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In your array definition, change -1/21. -2/21, etc to -1/32, -2/32. The number of flashes MUST be a power of 2.

Don
 
Don, that did the trick! You are a master. Now, on to carrier deck lighting for FCLP.

Thanks again, Henry
 

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