Joe,

I'll comment on my setup:

1. Lock TX=RX is checked

2. tones are approximately 1500 hz

Robie - AJ4F



On Mon, Apr 17, 2017 at 1:34 AM, Joe Subich, W4TV <li...@subich.com> wrote:

>
> TX ad RX EQ are forced to flat in DATA A (and AFSK A) mode.
>
> What frequency tones (TX #### Hz in WSJT-X) are you using?  Is WSJT-X
> in split mode?
>
> If I adjust the audio input *carefully* to 4 bars, I will see the "ALC"
> vary from 3 to 5 bars and the power output will vary between 98 and 102
> Watts (when set for 100 W).  With the audio input adjusted to "4 bars
> with the 5th flickering", I see marginally tighter power control - 99
> to 102 W.  However, in no case is there a significant variation in the
> power output.
>
> The *only time* power output is not as expected is if I am not using
> split mode and trying to transmit with audio tones below 300 Hz or
> above 2500 Hz (outside the DSP bandwidth).
>
> 73,
>
>    ... Joe, W4TV
>
>
>
> On 4/16/2017 8:15 PM, Robie Elms wrote:
>
>> I also see the same behavior as Dave.  I have verified my K3 is in DATA A
>> and the TX Equalization is a flat line.  However,  I routinely make
>> contacts with JT65.  I use WSJT-x v 1.7.0
>>
>> Robie - AJ4F
>>
>> On Mon, Apr 17, 2017 at 12:10 AM, Walter Underwood <wun...@wunderwood.org
>> >
>> wrote:
>>
>> TX EQ could cause problems like this if not in DATA A.
>>>
>>> wunder
>>> K6WRU
>>> Walter Underwood
>>> CM87wj
>>> http://observer.wunderwood.org/ (my blog)
>>>
>>> On Apr 16, 2017, at 4:52 PM, Joe Subich, W4TV <li...@subich.com> wrote:
>>>>
>>>>
>>>> Since bars 0-4 represent audio drive level and *not* true ALC when
>>>> in digital mode (DATA A, AFSK A), what you are seeing represents a
>>>>
>>> significant change in *audio drive level* for the different tones.
>>>
>>>>
>>>> Are you sure you are using DATA A and not AFSK A with the AFSK
>>>> Filter turned on?  What frequency range are the tones?
>>>>
>>>> 73,
>>>>
>>>>   ... Joe, W4TV
>>>>
>>>>
>>>> On 4/16/2017 5:29 PM, Dave Hachadorian wrote:
>>>>
>>>>> I just started playing with JT-65 and JT-9 this weekend, and I’ve
>>>>>
>>>> already worked a bunch of DX, so it’s basically working ok.
>>>
>>>>
>>>>> Transmitting on JT-65, I see a lot of variation in ALC and power as the
>>>>>
>>>> various tones change.  I’m using Data A mode with the stock 2.7
>>> filter.  I
>>> just had a QSO with tone frequencies of about 1800 – 1950 Hz, and ALC
>>> varied from zero to five bars on the different tones.  Sound card output
>>> is
>>> about 50%, and Line In level is at 12.  Is this variation normal, or am I
>>> doing something wrong,  and where should I set the ALC?
>>>
>>>>
>>>>> Thanks.
>>>>>
>>>>> Dave Hachadorian, K6LL
>>>>> Yuma, Arizona
>>>>>
>>>>>
>>>>>
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