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ORGANISATION
• Co-chairmen: Glenn McLeod VE3GLNPierre Cyrenne VE2GPF
Secretary: Tom St Julien VE3OFD Site Manager: Ernie Jury VE3EJJ
• Bi-weekly meetings
• E-mail reflector
• Station Managers
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PLANNING
• Corporate sponsorship• Club funding• Political endorsements• Media coverage• Equipment inventory• Antenna inventory• Station managers roster• Site layout• Logging Software (Write Log)• Filters
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FIELD DAY RULES
• Stations within 1000-foot circle
• No permanent structures
• 24 hours to set up
• 24 hours to operate
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THE DECOUPLING PROBLEM
TX 100 W +20 dBRX 0.2 uV, 50 ohms -160 dB (S/N 10 dB)
180 dB
RX dynamic range 100 dBAttenuation required 80 dB
RX attenuator 20 dBMin. attenuation 60 dB
Near field (one radian) 18 dBFar field 1 WL 20 dB
10 WL 40 dB 100 WL 60 dB
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DECOUPLING (Conduction)
• Pass-band filters (Dunestar) 40 dB
• Power-bar filters (Hammond Zap Trap) 80 dB
• Coiled coax
• Coiled power cords
• Ground rods at station
• Baluns
• Toroids where necessary
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LAYOUT STRATEGY
• Separate near fields
• Orthogonal polarisations
• Use pattern nulls
• Directivity
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EPILOGUE
• TCA Article
• QST article, June 2004
• Website
• CD
• VE3GLN named RAC Amateur of the Year
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200319981993198819831978Year
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Larg
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Ent
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ARRL Field DayLargest Class A Entry