HF Systems
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HomeHF SystemsOnline ToolsPrediction Tools Sunday, Nov 29 2015 10:32 UT
Online Tools

Prediction Tools

IPS provides the following online prediction tools. Your feedback is welcome.

Tool Description
Combined HF Prediction HAP, Min-Max HAP, URSL, GRAFEX, Air Route, RAAF Air Route, LAMP and Frequency selection.
Digital HF Prediction Reliability and other features of digital HF radio.
VHF/UHF Area Prediction Calculates and displays RF signal loss for VHF/UHF (30MHz - 3GHz).

Click on the each tool's Help button for more detailed information on how to operate the tool. You can request additional HAP charts or website modifications by emailing office@ips.gov.au.


For more detailed HF predictions including field strength predictions, you can purchase the IPS Advanced Stand Alone Prediction System. The IPS Ground Wave prediction System (GWPS), which estimates ground wave range values under specified ground and operating conditions is also available for purchase. For more details on these software packages see:


Most of these tools are Java applets. If they do not display properly, there might be a problem with Java in your browser. You can:

  • test that Java is working correctly
  • download and install the latest version of Java
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