Re: [Amps] AL-1200 and RTTY - JUST A SIMPLE ANSWER PLEASE!

["David Jordan" <wa3gin@comcast.net>]

... and doesn't running the legal limit in RTTY mode defeat the purpose of 
the mode, which is that with RTTY you can work the world with as little as 
100 watts.  Relatively easy to do when compared to running the same power on 
SSB.
enjoy,
dave
wa3gin
----- Original Message ----- 
From: "Don Jones" <ko7i@comcast.net>
To: <Amps@contesting.com>; <barockteer@aol.com>; <km1h@jeremy.mv.com>
Sent: Tuesday, August 27, 2013 11:33 PM
Subject: Re: [Amps] AL-1200 and RTTY - JUST A SIMPLE ANSWER PLEASE!


> Tony,
>
> This is a pretty simple to figure out once you get out of the linear units 
> mentality and switch over to the darkside of Log Units.
> Traditionally +/- 1 "S" unit = +/- 6dB change in received signal strength.
> At 1,500W a 6dB reduction in power = 375W.
> A 6dB increase in power from 1,500W = 6,000W
>
> 1,000W is 1.8 dB down from 1,500W
> 750W is 3.0 dB down from 1,500W
>
> Bottom line with a small reduction in output power the result on receiving 
> side is minimal, but the reduction in wear and tear on your amplifier is 
> significant.
> This is about as simple and straight forward as it can get. The advice 
> that Carl KM1H has given you is spot on.
> Vy 73, Don KO7i
>
> Message: 2
> Date: Tue, 27 Aug 2013 09:52:55 -0400
> From: "Carl"<km1h@jeremy.mv.com>
> To: "Tony Brock-Fisher"<barockteer@aol.com>, <Amps@contesting.com>
> Subject: Re: [Amps] AL-1200 and RTTY - JUST A SIMPLE ANSWER PLEASE!
> Message-ID: <A70361803BA54AC3A52CA33AF3486D2B@computer1>
> Content-Type: text/plain; format=flowed; charset="iso-8859-1";
> reply-type=response
>
> You will be safe at 1000W if the blower is set to high speed (depending 
> upon
> the vintage of the amp), is clean, oiled as well as clean tube fins.
>
> With a well used tube keep it down at 750W.
>
> Carl
> KM1H
>
>
>
> Message: 1
> Date: Tue, 27 Aug 2013 08:48:04 -0400
> From: Tony Brock-Fisher<barockteer@aol.com>
> To:"Amps@contesting.com"  <Amps@contesting.com>
> Subject: [Amps] AL-1200 and RTTY - JUST A SIMPLE ANSWER PLEASE!
> Message-ID:<521CA004.8010306@aol.com>
> Content-Type: text/plain; charset=ISO-8859-1; format=flowed
>
> I want to know what is a reasonable power level for the AL-1200 in a
> RTTY Contest.
>
> Yes, I know I can search the archives. I tried that and it's impossible
> to sort through all the bull$#!^ posts.
> I'm going to open my station up for a RTTY contester guest op. Make your
> own reasonable assumtions about duty cycle.
> Please give me just a number of watts output I should limit the amp to.
> I'll take the low side average of all responses.
>
> Fire away please...
>
>
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