----- Original Message -----
From: "Mark" <aa6dx@arrl.net>
To: <ham-radio-history@YahooGroups.com>
Sent: Tuesday, August 20, 2002 6:13 PM
Subject: Re: [ham-hist] Why 100 Watts?
> Seems every answer here has been pretty much OK .. the standard became
about
> 100 watts, because of many reasons .. one being that that was an
achievable
> output with the tubes of the era, and, as grounded grid amplifiers came to
> the forefront, that amount of drive was "needed" -- for a pair of 813s,
for
> example .. and, if less was required by the amplifier, in GG
configuration,
> the excess wattage was (and is) "passed through" -- added to the OUTPUT ..
> so, the commercial and home-brew 4-125, 4-400, 3-500, 4-500, etc. tubed
amps
> became derigeur du jour...
> In later days, the low power (QRP) HF solid state rigs sales flat fell on
> their face, making manufacturers realize that for the commercial,
military,
> and Amateur Radio market, they needed to provide a hefty output.. so, they
> DID! Not all early transistor transmitter/transceiver rigs were entirely
> successful, as to witness the ATLAS mobiles, SWAN solid state, etc.....
> not very tolerant of high SWR, wrong antenna accidentally attached
(contest,
> DXing) -- but, you know what .. have a very nice ATLAS 210X Limited
Edition
> that works swell, to this day .. just be nice to it! HI HI
> 73 --- Mark AA6DX
> From: "Nigel A. Gunn" <nigel@ngunn.net>
> To: <ham-radio-history@YahooGroups.com>
> Sent: Tuesday, August 20, 2002 5:54 PM
> Subject: Re: [ham-hist] Why 100 Watts?
>
>
> > The valve rigs probably did 100watts input or PEP output. Semiconductor
> rigs
> > are usually 100W carrier out.
> > ----- Original Message -----
> > From: "Will White" <googlyelmo@earthlink.net>
> > To: "Ham Radio History" <ham-radio-history@YahooGroups.com>
> > Sent: Tuesday, August 20, 2002 6:37 AM
> > Subject: [ham-hist] Why 100 Watts?
> >
> >
> > > Just one of those things, I was flipping through some old ham
magazines,
> > > and I wondered, just why is it that since the early days of
solid-state
> > > gear, almost all HF rigs are capable of 100W PEP output? Back in the
> > > hollow days, rigs seemed to do everything from 40W to several hundred
> > > watts (input!). Does anyone know how this level was decided upon? Was
> > > 100W considered the minimum for consistently reliable HF SSB
> > > communications? Or was it more a matter of a pair of RF power
> > > transistors being capable of this output (which doesn't make sense, I
> > > suppose, since 'hybrid' rigs like the Kenwood TS-520 etc. also ran
100W,
> > > didn't they?)
> > >
> > > --
> > > Will White, KD7BFX
> > > Seattle WA US
> > > King County, Grid CN87tq
> > > ITU Zone 6, CQ Zone 3
> > > ***************************************************
> > > "The wireless telegraph is not difficult to understand.
> > > The ordinary telegraph is like a very long cat.
> > > You pull the tail in New York, and it meows in Los Angeles.
> > > The wireless is the same, only without the cat."
> > > - Albert
Einstein
> > > ***************************************************
> > >
> > >
> > >
> > >
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> > recollections of ham radio that you can. Please participate and post
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