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GEOPoint 4.2 x86/x64 一種易於使用的衛星天線指向計算器
GEOPoint是一種易於使用的衛星天線指向計算器,用於對地靜止通信衛星。它計算從地球上給定位置到指定地球靜止衛星的方位角和仰角。該程序還計算了極化傾角,估計了每年太陽中斷事件的日期和次數,計算了天線G/T、EIRP和頻率穩定性,並基於ITU-R氣候模型估計了路徑損耗和降雨衰減。Hausfeld Consulting用於衛星通信規劃。

任何人都可以下載並安裝GEOPoint來免費訪問基本的Lite功能。

註冊和支付只需要解鎖程序的專業功能。

特征:

一個易於使用的對話框式用戶界面,用於數據輸入和計算;

直接輸入地球站位置坐標,或點擊世界地圖;

從內置的世界主要城市列表中選擇地球站位置;

在世界地圖上顯示衛星方位和高程等高線,以幫助選址;

以d、m、s格式或十進制度數輸入經緯度坐標;

輸入澳大利亞AMG坐標並自動轉換為緯度、經度;

計算一般類型天線架對指定衛星的指向角;

顯示相對於正北和相對於局部磁北的方位指向角;

傾斜軌道衛星天線運動極限的估計;

極化傾角、回環路徑延遲和所需天線跟蹤速度的計算;

估計接收鏈路上太陽幹擾的峰值日期和時間。

以PDF或HTML格式輸出摘要報告。

能夠將世界地圖放大一級,以便更準確地選擇地點;

能夠將當前地圖圖像保存到文件中。

能夠將方位角和仰角等高線保存到KML文件中,以便在Google Earth中查看。

利用ITU-R世界地形模型估算場地高度;

從包含站點列表的用戶提供的文件中選擇地球站位置;

查看並保存從站點可見的地理弧圖;

標記單個衛星並繪制局部地平線和天線移動極限;

利用Norad二線元或Intelsat星歷格式的軌道數據繪制衛星位置圖;

顯示指定地球站位置的ITU-R氣候模型數據;

根據用戶輸入的天線參數和頻率估計天線G/T;

利用ITU-R傳播模型計算指定頻率下地球站與衛星之間的路徑損耗;

估計衛星運動對EIRP和頻率穩定性的影響;

為用戶選擇的衛星列表輸出從站點指向角度的批報告;

輸出給定接收天線參數的太陽幹擾日期和時間的詳細報告;

輸出一系列頻率和鏈路可用性的雨衰減損失的詳細報告;

輸出地球站站點列表的批處理摘要報告。

(x86/x64) English | 
GEOPoint is an easy to use satellite antenna pointing calculator, for geostationary communications satellites. It calculates the azimuth and elevation pointing angles from a given location on the earth towards a specified geostationary satellite. The program also calculates polarisation tilt angles, estimates dates and times of annual sun-outage events, calculates antenna G/T, EIRP and frequency stability, and estimates path-loss and rain-attenuation based on ITU-R climate models. As used by Hausfeld Consulting for satellite communications planning.

Anyone may download and install GEOPoint to access the basic Lite features free of charge.
Registration and payment are only required to unlock the Pro features of the program.

Features :
an easy to use dialog-style user interface for data entry and calculation;
entry of earth station location coordinates directly, or by clicking on a world map;
select earth station location from a built-in list of world major cities;
display of satellite azimuth and elevation contours on the world map to aid in site selection;
entry of latitude and longitude coordinates in d,m,s format, or as decimal degrees;
entry of coordinates in Australian AMG coordinates and automatic conversion to latitude, longitude;
calculation of pointing angles to a specified satellite for common types of antenna mount;
display of azimuth pointing angles relative to True North, and relative to local magnetic north;
estimation of antenna movement limits for inclined orbit satellites;
calculation of polarisation tilt angle, loop-back path delay, and required antenna tracking speeds;
estimation of the peak dates and times for sun-interference on the receive link.
Output of a summary report in PDF or HTML format.
ability to zoom the world map one level for more accurate site selection;
ability to save the current map image to file.
ability to save azimuth and elevation contours to a KML file for viewing in Google Earth.
estimation of site altitude from ITU-R world topography model;
select earth station location from a user supplied file containing a list of sites;
view and save a diagram of the GEO Arc visible from the site;
labelling of individual satellites and plotting local horizon and antenna movement limits;
plotting of satellite locations from Norad two-line element or Intelsat ephemeris format orbit data;
display of ITU-R Climate Model data for the specified earth station location;
estimate antenna G/T from user inputs of antenna parameters and frequency;
calculate path loss between the earth station and satellite at a specified frequency using ITU-R propagation models;
estimate the impact of satellite motion on EIRP and frequency stability;
output a batch report of pointing angles from the site, for a list of user selected satellites;
output a detailed report of sun interference dates and times for given receive antenna parameters;
output a detailed report of rain attenuation loss for a range of frequencies and link availability;
output a batch summary report for a list of earth station sites.

System Requirements
You will need:

32bit: Windows XP or later.
64bit: Windows 7 or later.
40MB free hard disk space.
Screen resolution set to at least 1024x768.
a web browser to view reports in HTML format.
a PDF reader to view reports in PDF format.

Homepage

https://www.gunamoi.com.au/soft/
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