No, but it probably connects in some way with the plumbing, and maybe
ultimately to a real earth ground. My point was that the house's electrical
system wasn't even close to being properly grounded, not with 150 volts
between the metal side of a toaster oven and the counter.
Steve
----- Original Message -----
From: "Colin McDonald" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Wednesday, November 27, 2013 01:23
Subject: Re: Re-station ground
> is a stainless steel countertop generally grounded to the house electrical
> system?
>
> 73
> Colin, V A6BKX
> --------------------------------------------------
> From: "Steve Dresser" <[log in to unmask]>
> Sent: Tuesday, November 26, 2013 2:59 PM
> To: <[log in to unmask]>
> Subject: Re: Re-station ground
>
>> Colin,
>>
>> I'd caution against using the grounding of the electrical outlets as a
>> station ground. I lived in a house where the electrical ground of the
>> outlets had 150 volts which I measured between it and a stainless steel
>> counter in the kitchen. It turned out that the house's electrical system
>> wasn't grounded to anything in the known universe.
>>
>> Steve
>>
>> ----- Original Message -----
>> From: "Colin McDonald" <[log in to unmask]>
>> To: <[log in to unmask]>
>> Sent: Tuesday, November 26, 2013 16:31
>> Subject: Re: Re-station ground
>>
>>
>>> you already have a ground between the tuner and the radio via the coax
>>> shield...
>>> You already have full chassis ground through the ground prong on the AC
>>> power.
>>> However, to avoid RF hot spots on the chassis of your equipment, it is
>>> advisable to use another earth ground of some kind for your
>>> equipment...either via a ground rod, or to the main electrical ground of
>>> the
>>> house such as the city side of the water meter on the cold water pipe,
>>> or
>>> connected to the ground rod used by the electrical of the house if there
>>> is
>>> one.
>>> Also, having a separate ground rod just for the station is good because
>>> that
>>> can also be used for both RF and electrical ground and will help in the
>>> case
>>> of a nearby lightening strike etc.
>>> You need to use a ground bus, and have a wire from each piece of
>>> equipment
>>> connected to that common bus...do not daisy chain the grounds together.
>>> In
>>> other words, your grounding has to be paralel, not series.
>>> If it's electrical ground, the wire length doesn't matter at all...but
>>> if
>>> you are going after an RF ground, the length of the ground wire may, if
>>> you
>>> are using a non-resonant antenna, or latter line or long wire and a
>>> tuner,
>>> effect the tuning of the antenna.
>>>
>>> Often an additional ground for the station equipment is not necesary as
>>> the
>>> AC ground takes care of it, but sometimes you may need it if you find
>>> you
>>> are having issues with RFI in your audio, or excessive noise on receive
>>> or
>>> if you are causing RFI to other electronics in the house or with your
>>> neighbors.
>>>
>>> 73
>>> Colin, V A6BKX
>>> --------------------------------------------------
>>> From: "Mike Ryan" <[log in to unmask]>
>>> Sent: Tuesday, November 26, 2013 1:10 PM
>>> To: <[log in to unmask]>
>>> Subject: Re-station ground
>>>
>>>> So if I have a ground wire running from my ATU's ground stud to the
>>>> back
>>>> of
>>>> the rig's ground stud, considering my rig has a built in power supply
>>>> and
>>>> a
>>>> 3 prong plug, this will be fine?
>>>>
>>>> Mike
>>>
>
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