[TowerTalk] Customized Elevation Angle Statistics Software

Steve London n2ic at arrl.net
Wed Jun 22 21:20:10 EDT 2005


I guess a few of you have downloaded it and max'd out the free web space 
bandwidth limit.  Guess I get what I paid for it ! ...QRX while I find a new 
home for it.

73,
Steve, N2IC

Jim Lux wrote:
 >
 > Nifty idea, but the website is down (says temporarily suspended).  If
 > you need a place to host your software download let me know off list.
 >
 > Jim, W6RMK
 >
 >
 >

> At 02:18 PM 6/22/2005, Steve London wrote:
> 
>> Many of you have used the elevation angle statistics files included in 
>> the new
>> ARRL Antenna Book CD-ROM.  When used in conjunction with antenna and 
>> terrain
>> modeling software, they give you a fair idea of whether an antenna 
>> system is
>> reasonably matched to the predicted arrival angles of stations in the 
>> target area.
>>
>> One characteristic of the arrival angle statistics in the Antenna Book 
>> is that
>> the statistics are averaged over all 12 months, and all 11 years of 
>> the sunspot
>> cycle.  It stands to reason that the expected arrival angles may vary
>> considerably with the height and density of the E- and F-layers.
>>
>> I have written software that can generate customized elevation angle 
>> statistics,
>> using VOACAP, based on transmitter and receiver location, sunspot 
>> number and
>> month.  The output of the software is an elevation angle statistics 
>> file that is
>> compatible with HFTA.
>>
>> A beta-version of the software can be downloaded from 
>> http://n2ic.topcities.com
>> . Click on the "VOACAP Arrival Angles" button at the top of the page.
>>
>> Please feel free to send comments and suggestions to n2ic at arrl.net .
>>
>> 73,
>> Steve, N2IC
> 
> 
> 
> Nifty idea, but the website is down (says temporarily suspended).  If 
> you need a place to host your software download let me know off list.
> 
> Jim, W6RMK
> 
> 
> 


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