[TowerTalk] Fwd: RE: Microdem Issues

Tom Hellem tom.hellem at gmail.com
Fri Feb 7 09:01:58 EST 2014


Thank you very much, gentlemen. I will give this a try and let you know
what is the result. Been anxious to evaluate a site I have access to up in
the
mountains.

73
Tom
K0SN



On Thu, Feb 6, 2014 at 7:01 PM, Jim Brown <jim at audiosystemsgroup.com> wrote:

> Here's what I got from Dean.
>
> 73, Jim K9YC
>
> -------- Original Message --------
> Subject:        RE: [TowerTalk] Microdem Issues
> Date:   Thu, 6 Feb 2014 11:00:03 -0800
> From:   RDStraw <RDStraw at comcast.net>
> To:     <jim at audiosystemsgroup.com>, <towertalk at contesting.com>
> CC:     'RDStraw' <n6bv at arrl.net>
>
>
>
> Tom:
>
> I suggest that you do a complete re-install of MicroDEM -- I suggest that
> you first uninstall the version you have on your computer now. Then go to:
>
> http://www.usna.edu/Users/oceano/pguth/website/microdem/microdemdown.htm
>
> and download the "Complete MICRODEM Install". Run it, followed by
> downloading the latest executable microdem.exe. This should properly
> install
> all the various files that MicroDEM needs to function properly.
>
> Tell me if this works for you. Meanwhile, USGS has been changing their web
> sites dealing with downloading terrain data. It is pretty hard to keep up
> with them...
>
> 73, Dean, N6BV
>
> -----Original Message-----
> From: Jim Brown [mailto:jim at audiosystemsgroup.com]
> Sent: Thursday, February 06, 2014 9:27 AM
> To: towertalk at contesting.com
> Cc: RDStraw
> Subject: Re: [TowerTalk] Microdem Issues
>
> On 2/6/2014 8:36 AM, Tom Hellem wrote:
>
>> Does anybody on the list know what I can do to get past a couple error
>> messages I receive when trying to open a DEM file in Microdem? The
>> error messages are "Need 7z for GZ extraction"
>> and "xxx is Not an acceptable DEM". I went to the 7z website and
>> downloaded & installed the 7Z extraction utility, but that didn't help.
>> Any input would really be appreciated. Been trying to get Microdem
>> working for months without success.
>>
>
> You're doing this for HFTA, right?  Last I heard about this, the formats of
> the Microdem data and/or its extraction process have changed over the years
> that HFTA has been using them. HFTA author, Dean Straw, has done some talks
> about using HFTA, including the Microdem process, most recently in a WebEx
> for PVRC. In addition, ARRL has done their best to keep up with the
> changes,
> and I remember Dean pointing us to stuff on the ARRL website.  I think you
> can find a recording of the WebEx on the PVRC website.
>
> 73, Jim K9YC
>
>
>
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