Not to nit pick but 60wpm is 20.0ms/dit.
Letter spacing = 3 dits and word spacing = 7dits
P = 11 + 3
A = 5 + 3
R = 7 + 3
I = 3 + 3
S = 5 + 7
Total = 50 dit times
Therefore dit time = 1.2 / WPM
73,
Larry, W0QE
On 8/13/2012 8:45 PM, Joe Subich, W4TV wrote:
> > But It measures a single dit at 60 WPM CW just fine.
>
> Not probative - a single dit at 60 WPM is 24 msec. "PARIS" is 42 bit
> (dot) periods ... 1/42 => 24 ms.
>
> Now, if you tell me the Powermaster can measure a single dit at 600
> WPM, I will accept it as a reasonable measurement of "overshoot".
> Otherwise, the measurement is simply the average power over the dit
> period and a 15% "overshoot" could indicate 100-150% real overshoot
> for 2 ms out of a 25 ms period.
>
> I'm not saying that's the case, simply that Powermaster is not a valid
> tool on which to base the claim of "no overshoot".
>
> 73,
>
> ... Joe, W4TV
>
>
> On 8/13/2012 9:57 PM, Jim W7RY wrote:
>> Not sure. But It measures a single dit at 60 WPM CW just fine.
>>
>> 73
>> Jim W7RY
>>
>>
>>
>>
>> -----Original Message----- From: Joe Subich, W4TV
>> Sent: Monday, August 13, 2012 6:12 PM
>> To: amps@contesting.com
>> Subject: Re: [Amps] ALC Overshoot FTDX-5000
>>
>>
>> What is the time constant of the Powermaster? Then only clear way to
>> measure the sub 5 ms spikes is with a scope.
>>
>> 73,
>>
>> ... Joe, W4TV
>>
>>
>> On 8/13/2012 8:56 PM, Peter Voelpel wrote:
>>> That is no ALC overshoot, but the breathing power supply
>>>
>>> 73
>>> Peter, DJ7WW
>>>
>>> -----Original Message-----
>>> From: amps-bounces@contesting.com [mailto:amps-bounces@contesting.com] On
>>> Behalf Of Jim W7RY
>>> Sent: Dienstag, 14. August 2012 02:46
>>> To: AMPS
>>> Subject: [Amps] ALC Overshoot FTDX-5000
>>>
>>> I thought you would like to know what a friend of mine found on his new
>>> (less than 1 year old) FTDX-5000 for ALC overshoot...
>>>
>>> Setting the power out to 25.5 watts the overshoot reached 26.9
>>> amounting to
>>> 1.4 watts overshoot Both cw and rtty came up the same.
>>>
>>>
>>> Using 101 watts the overshoot reached 104
>>>
>>> He used a Powermaster and a dummy load.
>>>
>>> 73
>>> Jim W7RY
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