#!/usr/bin/perl -T #!/usr/local/bin/perl -T ## --> Urban Area Path Loss, urban.main.cgi ## --> Green Bay Professional Packet Radio, www.gbppr.org ## This file Copyright 2003 under the GPL ## NO WARRANTY. Please send bug reports / patches / reports. # Setup # select STDOUT; $| = 1; # User stuff # my $pic = "pics/urban.png"; my $form = "./urban.cgi"; # Print MIME # print "Content-type:text/html\n\n"; # Draw me a web page # print < Urban Area Path Loss

Urban Area Path Loss

A service of Green Bay Professional Packet Radio ®

[urban]
Frequency of the Transmitter (100-3000 MHz)  
Power Output of the Transmitter (ERP)  
Height of the Transmitter Location, AGL (30-200 m)  
Height of the Receive Transmitter Location, AGL (1-10 m)  
Distance Between the Transmitter & Receiver Locations (1-20 km)  
Select the Environment Type  

Based on Hata/COST231-Hata formulas for urban area path losses.

AGL  Above Ground Level.  Height above common ground to the the mid-point of the radiating antenna.

ERP  Effective Radiated Power.  Actual power output after taking into account feedline losses and antenna gains.

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