I give up ...
Dave AB7E
Rex Lint wrote:
> Dave,
>
> I was thinking that a radiator had 2 ends. You corrected me: it has an
> end. I was referring to what must be a beginning. Therefore I agree. At
> the beginning, however, there is some current flow.
>
> -Rex-
>
> K1HI
> Rex Lint
> Merrimack, NH
>
> -----Original Message-----
> From: towertalk-bounces@contesting.com
> [mailto:towertalk-bounces@contesting.com] On Behalf Of David Gilbert
> Sent: Thursday, May 21, 2009 12:52 AM
> To: Rex Lint
> Cc: 'TowerTalk'; 'Arthur Trampler'
> Subject: Re: [TowerTalk] MACAntenna
>
>
> No it doesn't. The end is the end, and there isn't any current flow at
> the end of a wire ... unless you have arcing out into the air or
> something obscure like that..
>
> Besides, he was clearly referring to the portion of the wire connected
> to the relays. That's an end.
>
> Dave AB7E
>
>
>
> Rex Lint wrote:
>
>> "And no, the voltage is a maximum at the end of a radiator ... how can
>> you have current flow at that point when there is no place for it to
>>
> go???"
>
>> ... depends on which end...
>>
>> -Rex-
>>
>> K1HI
>> Rex Lint
>> Merrimack, NH
>>
>>
>> -----Original Message-----
>> From: towertalk-bounces@contesting.com
>> [mailto:towertalk-bounces@contesting.com] On Behalf Of David Gilbert
>> Sent: Wednesday, May 20, 2009 2:48 PM
>> To: Arthur Trampler; TowerTalk
>> Subject: Re: [TowerTalk] MACAntenna
>>
>>
>> That's like saying a 2 inch air gap is going to break down at the same
>> voltage as a 1 inch air gap because the first inch will break down and
>> then the second.
>>
>> And no, the voltage is a maximum at the end of a radiator ... how can
>> you have current flow at that point when there is no place for it to go???
>>
>> Dave AB7E
>>
>>
>>
>>
>> Arthur Trampler wrote:
>>
>>
>>> By putting two relays in series, don't you create a situation where there
>>>
>>>
>> would be a voltage breakdown nearest the RF, and then a second voltage
>> breakdown/arc at the second relay?
>>
>>
>>>
>>> I guess I'm not seeing how two in series increases voltage handling, as
>>>
> to
>
>>>
>>>
>> me it would seem that the relay with RF on one side is still the same size
>> and as prone to arcing at a given voltage.
>>
>>
>>>
>>> However, isn't voltage at a minimum at the end of a full-sized 1/4 wave
>>>
>>>
>> radiator (half of a dipole) and current at a maximum?
>>
>>
>>>
>>> Art
>>>
>>>
>> _______________________________________________
>>
>>
>>
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