Site Survey Tool - TamoGraph

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System Requirements
Driver Installation
Licensing and Trial Version Limitations
Interface Overview
Access Point List
Floor Plan / Site Map
Plans and Surveys, Properties, and Options Panel
Main Menu
Performing a Site Survey
New Project Wizard
Data Collection
Understanding Survey Types: Passive, Active, and Predictive
Active Survey Configuration
Best Practices, Tips, and Tricks
Survey Job Splitting
Predictive Surveys
Drawing Walls and Other Obstructions
Drawing Attenuation Zones
Placing and Configuring Virtual APs
Working with Presets
Applying Visualizations
Working with Multi-floor Sites
Mixing Real and Virtual Data
Best Practices, Tips, and Tricks
Analyzing Data – Passive and Predictive Surveys
Selecting Data for Analysis
Adjusting AP Locations After Passive Surveys
Splitting an AP into Multiple Unique APs
Working with Multi-SSID APs
Visualization Types
Signal Level
Signal-to-Noise Ratio
Signal-to-Interference Ratio
AP Coverage Areas
Number of APs
Expected PHY Rate
Frame Format
Channel Bandwidth
Channel Map
Analyzing Data – Active Surveys
Selecting Data for Analysis
Visualization Types
Actual PHY Rate
TCP Upstream and Downstream Rate
UDP Upstream and Downstream Rate
UDP Upstream and Downstream Loss
Round-trip Time
Associated AP
Spectrum Analysis
Hardware Requirements
Spectrum Data Graphs
Performing Spectrum Analysis Surveys
Viewing Collected Spectrum Data
Exporting Spectrum Data
Reporting and Printing
Customizing Reports
Google Earth Integration
Configuring TamoGraph
Plans and Surveys
Plan / Map
Client Capabilities
Colors and Value Ranges
AP Detection and Placement
Visualization Settings
Configuring GPS Receiver
Using GPS Configuration Dialog
Finding the GPS Receiver Port Number
Taking Photographs
Voice Control
Using TamoGraph in a Virtual Machine
Frequently Asked Questions
Sales and Support

Drawing Attenuation Zones

An attenuation zone is an area where the signal strength drops over distance. This makes it different from walls and other obstructions, where the drop occurs only one time, when the signal passes through a specific object, and where the object thickness is negligible. To draw an attenuation zone on the floor plan, press the attenuation zone drawing tool button and select one of the pre-defined attenuation zone types;  for example “Elevator shaft.” You should select the type that best matches the actual attenuation zone you are going to draw. Then left-click on the floor plan to start a new zone, drag the mouse to form a rectangle, and release the left mouse button to finish.

After the zone has been drawn, you can change its properties in the Attenuation Zone Properties dialog. To display this dialog, select a zone and double-click on it, or select the Properties context menu item. In the dialog window, you can change the zone type by selecting one of the existing presets or modify zone characteristics such as attenuation or color. Attenuation is a drop in strength measured in dB per meter (or foot, depending on the measurement units of your project) that the RF signal experiences when it moves across the zone. Because materials might attenuate differently at different frequencies, there are two separate attenuation values for 2.4 and 5 GHz. You can enter a custom attenuation value. A custom value can be obtained by measuring signal strength on each side of the zone, calculating the difference, and dividing it by the distance. Measurements can be performed using TamoGraph or any WLAN analyzer; e.g., CommView for WiFi. Color is an arbitrary color used to show the zone on the floor plan. If you prefer zones to appear colorless (i.e., grayscale), you can configure the application to grayscale them in the Visualization Settings panel. When you have edited zone properties, you can save the current configuration for future use by clicking the Save as Preset button at the bottom of the dialog window.