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Welland Valley Amateur Radio Society Direction Finding Introduction By Colin Lowe (G1IVG) www.wvars.com
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Directional Finding “The WVARS Way” To use your radio and map reading skills to try to locate a hidden transmitter. Use of homebrew aerials, attenuators etc. Summer outdoor activity. Social Event. No Speed Involved www.wvars.com
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Equipment Receiver Attenuator Aerial Map Compass, Rule & Pencil www.wvars.com
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Receiver Rx Signal Meter. Ear phones. Easy to handle. Good Battery. Aerial adaptor (SMA to BNC etc). 433.475 MHz FM. 2 nd Harmonic = 866.95 MHz. www.wvars.com
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Attenuator www.wvars.com
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Aerial 70cm HB9CV. Homebrew (G7PZB). Buy. www.wvars.com
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Map Ordinance Survey Map. (£7) www.wvars.com
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Compass, Rule & Pencil www.wvars.com
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Example of taking Bearings www.wvars.com
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Bearing 1 www.wvars.com
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Bearing 2 www.wvars.com
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Bearing 3 www.wvars.com
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Calculated Location www.wvars.com
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DF Fox Hunt 18 th July 2011 7pm Meet at Prince Rupert’s View Point. An open invite to KDARS to join us. 70cms (433.475 FM). Fox Located no more than 5 miles away. www.wvars.com
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Prince Rupert’s View Point www.wvars.com
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Prince Rupert’s View Point www.wvars.com
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Hope to see you all on www.wvars.com
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