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Old 29-12-2009, 19:54   #1
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Grounding IC802 to Steel Hull

Hi All,
My question concerns grounding the AT140 tuner to the hull. I have an insulated backstay with the tuner mounted directly underneath in the lazzerette. I have 2" wide copper strip.Q: should i cut the strip in two, then connect it with 6 capacitors to prevent electrolisis, or can i cut out a square in the strip & solder said caps across the hole? Not sure if stray DC current will still go either side of the hole. Any help would be much appreciated.
Cheers Steve
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Old 29-12-2009, 23:46   #2
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The DC will go wherever there is a conductor to travel on (in). If you want to use the DC blocking capacitors, then cut the copper strip into two pieces and join them with the capacitors to provide the AC (RF) path.

IMO, these are not necessary for a steel hulled vessel but they can't hurt.
All men dream: but not equally. Those who dream by night in the dusty recesses of their minds wake in the day to find it was vanity: but the dreamers of the day are dangereous men, for they may act their dreams with open eyes, to make it possible. T.E. Lawrence
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Old 30-12-2009, 16:01   #3
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Use Gto 15 wire or equivalent to connect tuner to the backstay (not coax) and ground the tuner to the hull anywhere with the copper strip. As Wotname says, 'not necessary to use' capacitors.
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steel hull

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