Alan,

I can't speak for all houses in the east, but I've owned three, and the 
first thing I did when I moved into each one was to upgrade the service to 
200 amps.  I looked at it as leaving room for future expansion.

Steve

----- Original Message ----- 
From: "Alan R. Downing" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Wednesday, February 26, 2014 20:56
Subject: Re: Big power


> Because all modern houses in Arizona have central airconditioning, it is
> necessary to have 200 amp services.  I also know for a fact that the home
> that I grew up in outside of Boston also had a 200 amp service.  It may 
> well
> be that non-airconditioned homes back east don't have 200 amp services, 
> but
> I would think that they would.  In any event, my example still holds.
>
> Alan/KD7GC
>
>
> Alan R. Downing
> Phoenix, AZ
>
>
> -----Original Message-----
> From: For blind ham radio operators [mailto:[log in to unmask]]
> On Behalf Of John Miller
> Sent: Wednesday, February 26, 2014 6:46 PM
> To: [log in to unmask]
> Subject: Re: Big power
>
> I don't know about your part of the country but I know of very few houses
> with 200 amp service, I lived in one but other than that everywhere I've
> lived was 100 amp service. It never was a problem until where I live now
> where I know we push it in the summer but everything is electric here 
> except
>
> the heat. I plan to change that over time, as things fail but can't afford
> to do it just for the fun of it as much as I'd like to.
> ----- Original Message ----- 
> From: "Alan R. Downing" <[log in to unmask]>
> To: <[log in to unmask]>
> Sent: Wednesday, February 26, 2014 8:27 PM
> Subject: Re: Big power
>
>
>> Here is our example.
>>
>> Most modern homes have a 200 amp service at 240 volts.  Lets assume that
>> our
>> amp will be limited to drawing 100 amps.  Gross power would be 240 volts
>> times 100 amps, giving 24 KW.  Since an efficiency of 60% can be
>> reasonably
>> expected, we would realize about 14.4  thousand watts(14.4 KW) output 
>> from
>> our theoretical SSB amp.
>>
>> If we permitted more than 100 amps draw, the output would increase
>> proportionally.  If we assume less than 100 amps, obviously our
>> theoretical
>> amp would produce less than 14.4 KW output proportionally.
>>
>> Any questions?
>>
>> Alan R. Downing
>> Phoenix, AZ
>>
>>
>> -----Original Message-----
>> From: For blind ham radio operators 
>> [mailto:[log in to unmask]]
>> On Behalf Of Ron Canazzi
>> Sent: Wednesday, February 26, 2014 5:53 PM
>> To: [log in to unmask]
>> Subject: Re: Big power
>>
>> Hi Group,
>>
>> If you run that kind of power (was that a typo) 32, 000 watts? you would
>> need a separate power plant wouldn't you?
>>
>> On 2/26/2014 2:36 PM, Scott Gillen wrote:
>>> I'm afraid I just don't see the point running that much power.
>>>
>>> 73
>>> Scott
>>> ZL1CHM - N0HOK
>>>
>>> Sent from my iPhone
>>>
>>> On 27/02/2014, at 4:36 AM, "Alan R. Downing" <[log in to unmask]> wrote:
>>>
>>>> Hello again Kelvin, I could name you 25 stations in the US and in other
>>>> countries too, that are operating with over 15 KW.  Many of the really
>>>> high-power stations are using custom built amps using the
>>>> 4CX15000A(8281)
>>>> ceramic tetrodes.  I am told that these amps cost $32,000 in the
>> auto-tune
>>>> version, and $24,000 in manual tune.
>>>>
>>>>
>>>>
>>>> 73
>>>>
>>>> Alan/KD7GC
>>>>
>>>>
>>>>
>