The duration is measured from the time you purchase the plan until the same time n days later.
The maximum distance from the transmitter the calculation will go out to measured in either kilometers or miles. This value greatly affects computation time and cost. A GSM cell tower for example will have a maximum radius of 30km whereas an aircraft at high altitude will have a radius in hundreds of kilometres.
The maximum frequency determines the greatest frequency you can plan with. GSM is at 900/1800MHz (Country dependent), 802.11 WiFi is at 2.4 and 5.8GHz. Radars and microwave operate above 3GHz.
Digital Elevation Model data determines the terrain accuracy. 90m/270ft DEM is the standard which is ideal for rural and suburban planning and covers the entire world.
Extra High resolution data for the USA and Europe is available at 30m/90ft resolution which is ideal for suburban and urban planning. The higher the resolution the higher the cost and processing time.
The mesh feature allows you to join two adjacent sites into a seamless coverage map which looks great. The process is resource intensive but rewarding.
Coverage is calculated using one of several internationally recognised propagation models. The Irregular Terrain Model is a popular general purpose model, endorsed by the FCC, whilst others are focused towards specific cellular bands like the European COST231-Hata model.
Everytime you create a calculation it is stored in your personal archive. The duration these large files are kept is determined by your plan. You may download your files in KMZ or GTIFF formats anytime you like during this period.
PATH PROFILE ANALYSISThe Path Profile Analysis (PPA) tool allows you to quickly create a 2D terrain profile and text report of a link along a given path.
Looking to buy credits? We still offer these ;)