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#1
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On Mon, 23 Jul 2007 07:07:40 -0700, art wrote:
will put to bed the negative comments from the naysayers. Hi Arthur, You mean like the -64 dBi gain reported by others? 73's Richard Clark, KB7QHC |
#2
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Richard Clark wrote in
: On Mon, 23 Jul 2007 07:07:40 -0700, art wrote: will put to bed the negative comments from the naysayers. Hi Arthur, You mean like the -64 dBi gain reported by others? Hey, I've got an antenna here that does way better than that on 2m. And its SWR is dead flat up to 3ghz. -- Dave Oldridge+ ICQ 1800667 |
#3
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On Mon, 23 Jul 2007 10:11:01 -0700, Richard Clark
wrote: On Mon, 23 Jul 2007 07:07:40 -0700, art wrote: will put to bed the negative comments from the naysayers. Hi Arthur, You mean like the -64 dBi gain reported by others? 73's Richard Clark, KB7QHC The actual details: "antenna element circuit must be a TANK CIRCUIT" Nothing said as to why (especially when other radiators work fine without being a TANK CIRCUIT). "element that has equal amounts of inductance and capacitance" Notable in the violation of simple units (Henry does not equal Farad) "requires a conductive length of insulated wire ( insulated from other windings) wound helically" The notorious air cooled resistor - hence the -64 dBi gain. Arthur even admits a special construction technique necessary for the: "removal of the excessive heat from the radiator" Further evidence of the poor results (i.e. -64 dBi gain). "For a radiator in the 2 Mhz region dimensions of the radiator will be in the order of 20 inches in diameter and 25 inches in height tho these dimensions can be varied with respect to each other dependent on frequency and materials used." Classic dummy load. "a tank circuit max radiation will occur when the capacitive and inductive components are as large as possible ... Called a conventional dipole? ... to achieve speeder release of energy." Faster than light anyone? Or faster than friction? I would hate to think the Neanderthals died out because they lacked a TANK CIRCUIT to start a fire (although I am sure they could spell better). 73's Richard Clark, KB7QHC |
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