[TowerTalk] Customized Elevation Angle Statistics Software

Jim Lux jimlux at earthlink.net
Wed Jun 22 17:01:31 EDT 2005


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



More information about the TowerTalk mailing list