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Link Budget

0.3 for Android

The description of Link Budget

The user enters link parameters such as transmit power, antenna gains, link distance, bit rate etc. This allows the received signal quality to be evaluated. Many link parameters allow different input options. For example the antenna gain may be given in dBi, or the diameter of a dish antenna in meters. This app deals mainly with digital communication links, rather than analog systems.

At present this app does not include on-line examples, but these might be added in later versions. Tutorial material on link budgets is available on the author’s website. At present this app suits satellite communications and point-to-point terrestrial comms at VHF or higher frequencies.

The first screenshot shows values being entered, and the type of hints provided by the software. After entering suitable parameters, the user presses the "CALC" button to evaluate the link budget. Numerical values (in dB) that contribute to the final Eb/N0 result are show in the second screenshot (for a typical UHF cubesat downlink).
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Link Budget 0.3 Update

The version adds an option for entering Noise Figure instead of System Noise Temperature. In addition one extra link budget example is provided (uplink for phone to GEO satellite) and a few typos have been corrected.
Previous versions
  • V0.3 1.5 MB APK

    Link Budget


    Link Budget 0.3 (3)

    Update on: 2018-02-06

    Requires Android: Android 4.0.3+ (Ice Cream Sandwich MR1, API 15)

    Signature: d0d7eccd4879af8d3dc979eeae473a52583b145b Link Budget 0.3(3) safe verified

    File SHA1: 6ca45eafbd5888e1a6b4a398b4ddfd7c2882f579

    File Size: 1.5 MB

    What's new:


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