G4USP

Page last updated: 08/08/2021

Radio related pages

    Find your QTH locator with GoogleMaps

Know your Maidenhead locator? also commonly referred to as grid locator or grid square - find it here thanks to Laurent Haas (F6FVY)'s ingenuity, JAVA script, and Google maps...

 

    Receivers

A collection of receivers...

 

    Transmitters

These pages are still under construction. As concepts, designs, and projects become available I shall add them...

 

    Transceivers

A collection of transceivers...

 

    Beacon Controller

A beacon controller based around a Microchip 12F509, ideal for hidden transmitter (fox) hunts...

 

    Analogue Gateway

Echolink - lots more to add, very much work in progress...

 

    Repeater systems

Repeater system related information, including system controllers...

 

    Components

Some interesting information & datasheet on component of interest to home brewers...

 

    Test and Measurement

Test equipment / notes on measurement techniques...

 

    IAMBIC keyer

Iambic keyer based around a Microchip 12F509...

 

    CTCSS CODEC

A simple to build easy to set up CTCSS encoder / decoder, using readily available components...

 

 

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