Last Months Meeting

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The Show and Tell began at 7:40pm with Paul, VE3SY demonstrating the development of personal communications over the past thirty years. Among the items on display were a Motorola personal walkie-talkie dating from the sixties and the very latest in telecommunications technology, the micro-cellular.

Dave VA3DGS gave a talk on Global Positioning Systems and, in particular, methods to increase their accuracy. Dave described how he had located information on the Web and had constructed, from scratch, a circuit to eliminate "jitter" from positional data transmitted by satellites.

Bob VE3FVF brought a piece of Canadian history to show club members. When the government scrapped the Avro "Arrow", much of the equipment associated with the project found its way onto the surplus market. Bob’s conversation piece was a Tester, manufactured by Honeywell and used for diagnosing problems with the aircraft’s avionic system.

Ted VE3TJD demonstrated a very versatile battery charger/ conditioner capable of charging just about any type of battery on the market.

John VE3DOS exhibited two homebrew antennas computer designed for 440Mhz. Made from easy to come by materials and simple to manufacture they nevertheless boasted a healthy 7-8dB gain.

Gord VE3EOS proudly showed one of his fine "Boat Anchors" a Canadian Royal Air Force AM/CW transceiver. He explained to the audience how he had "Blacksmithed" or modified his equipment using a very simple, albeit unusual process. The method used to remove transmitter components from the radio was as follows: "Tune into the BBC and start snipping. When the music stops, solder it back on."