[TowerTalk] tool to retrieve data and build HFTA profiles

David Gilbert xdavid at cis-broadband.com
Mon Mar 5 10:29:20 PST 2012


That still sounds terrific to me, Jim.  Lots of folks have fast enough 
internet connections to make that a viable option (mine is a fairly 
middle-of-the-road 5 Mbps), and if the process was sufficiently 
automated I'd bet that several folks would be willing to generate 
terrain files for the more speed challenged among us.   After all, it 
only needs to be done once per QTH.

At the risk of jinxing everything by offering premature congratulations 
... congratulations!

73,
Dave   AB7E




On 3/4/2012 10:34 PM, Jim Lux wrote:
> On 3/4/12 9:26 PM, Jim Lux wrote:
>> I've been fooling with some shell scripts and the like..
>>
>> I think I can automatically retrieve the right 1x1 degree chunks of SRTM
>> data fairly well and then do the interpolation to build the profiles.
>>
>> T
> BTW, it won't be fast or small.
>
> the raw zip files are about 12Mbyte each and expand to about 26MB, so it
> will eat about 400 MB of your disk. (although you can delete the files
> when it's done)
>
> You're going to want a fairly speedy internet connection for the 108
> MByte download. That's a good 20 minutes at 1 Mbps.
>
>


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