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Pages Under Perpetual Development

 

Welcome to the G4FTC Home Page
also AD6TP & HK3CAV
ex ZB2DC,G8EXX, HZ1AB op

 

Within these pages, I tried to collate information, which in the past I've found difficult to locate on the Internet or from traditional sources. I have also included a selection of photos which I have taken over the years which may be of interest to others. I have made no attempt to make a "pretty" website - but just simply to include as much info as I can.

I am gradually adding more info as time permits, so please check these pages from time to time.

Some of the pages may take a little time to download, but should be worth the wait!

Good Viewing!

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Villa Griffone - The birthplace of Wireless. Possibly one of the most important locations in the history of wireless communications, for it was here where Marconi conducted his initial experiments with wireless. These webpages include photos of the Villa and Gardens, Marconi's Laboratory, the Museum, and Marconi's Mausoleum.

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Decca Navigator Stations - on the "Chain Gang"! These pages should be of interest to "Lowfers" - those who enjoy in experimenting at the Low Frequency (LF) end of the spectrum. These pages give detailed descriptions of typical Decca Navigator Main Chain Stations and photos of the installation of what was probably one of the last Decca "Main Chains" ever to constructed.

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HZ1AB - discover the connection between HZ1AB, Heard Island, Mellish Reef, and an Antenna much favoured for DXpeditions.

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ZB2VHF Beacon - photos and description of a famous beacon.

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LF Non Directional Beacon (NDB) - photos, circuit diagrams and description of a typical NDB installation.

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Troposcatter Stations - although satellites now provide many times the amount of capacity and span far greater distances than could be achieved with "Tropo" systems, for low to medium capacities, at distances up to a few hundred miles, troposcatter systems are still viable alternatives - without space segement costs.

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Amplifiers - Photo and descriptions of some experimental amplifiers and modules which I've built over the years. These amplifiers cover the Radio Frequency Spectrum from LF to Microwave and range in power from a few Watts to many Kilowatts using both Solid State devices and Vacuum Tubes.

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Filters - Filters are an essential sub-system in any radio system. This page contains some examples of homebrew microwave filters - both waveguide and inter-digital.

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Hints and Kinks - a wide variety of tips for home constructors including - Getting a line over a tree for an antenna; Drilling Copper; Machining PTFE (Teflon); Making a sturdy work bench; Sheet Metal fixings; Soldering Litz wire; Welding Aluminium etc.

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How to become a Radio Amateur - circa 1934! Find out what you needed to "conduct Wireless Experiments" almost 70 years ago by reading an actual Post Office Fact Sheet published at that time - including the requirements imposed upon an "Artificial Aerial" licensee.

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The Code Page - some interesting aspects about Morse and other telegraphic codes, and their historical use.

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The Marconi Trans-Atlantic Centenary - 12th December 2001 marked the 100th anniversary of Marconi's successful attempt in sending the letter "S" from Poldhu Cove in Cornwall, England, to St John's in Newfoundland, Canada. These photos show some of the facilities to be seen at Poldhu, including the foundations for Marconi's original building, the Marconi Monument, and also pictures of the Spark Transmitter specially reconstructed and licensed to attempt to emulate the original transmission exactly 100 years to the minute.

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The 136kHz Page - In Europe, a LF (Low Frequency or LOWFER) band between 135.7 and 137.8 kHz has been allocated to the Amateur Service. These pages show some photos of my rig, the antenna system and screen captures of my signal during tests undertaken over the Christmas and New Year period of 2001/2002.

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Turning Back the Clock - Venture back in time to what seemed to be an unobtainable dream!

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N1FD - You are Cleared to Land Runway 28 Left. Please QSY 122.5MHz!

Certainly if you were tuning across the Airband and heard this, you would wonder what N1FD was doing.

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I hope you enjoyed your visit to these pages. I will add pages as I unearth new material from my rather extensive archives - or more correctly - junk box!

I would appreciate any comments or corrections on the material contained within these pages. Please send me an E-mail - . (If your Email is about amplifiers, please read the notes on the amplifiers page first. Thanks)

Last update 6 May 2006