[Elecraft] Feature wanted for W2 wattmeter

[Vic Rosenthal 4X6GP/K2VCO]

And I started this thread by pointing that out, and saying "wouldn't it 
be nice if the W2 firmware could show Pf - Pr in the LED display." I 
don't have screen space for yet another application.


On 13 Jan 2015 22:11, Carey Magee wrote:
> Hi Folks:
>
> Been reading this thread and just wanted to mention that the Elecraft W2
> Interface program (
> http://www.elecraft.com/software/W2/elecraft_w2_software.htm) shows both
> forward and reflected power quite nicely.
>
> 73,
> Carey, K2RNY
> Rochester New York
> Grid: FN13ef
>
> On Tue, Jan 13, 2015 at 2:48 PM, Alan <n1al at sonic.net> wrote:
>
>> The power delivered to the load really is forward power minus reverse
>> power.  You can see that by imagining that you disconnect the load
>> completely (infinite impedance) or short it out (zero impedance).  That
>> means no power can be absorbed by the load.
>>
>> The wattmeter reads equal forward and reverse power, so that forward minus
>> reverse equals zero, as it must.
>>
>> Alan N1AL
>>
>>
>>
>> On 01/13/2015 12:45 AM, David Woolley wrote:
>>
>>> As well as not all the reflected power being re-reflected, the forward
>>> power measured by the coupler is not the first time forward power, but the
>>> sum of all the re-reflected power, as well.

-- 
73,
Vic, 4X6GP/K2VCO
Rehovot, Israel
http://www.qsl.net/k2vco/