[SADXA] FT8 Frequency Measurements

[Richard Solomon]

No idea, I just trust to faith that the
spectrum in FT8 has some meaning.

BTW, it's not an output per se. It's
a point on a frequency spectrum.
Much like if tuned the radio up 1 KHz,
my signal should appear at 1 KHz
on the spectrum.

73, Dick

73, Dick

On Thu, Jul 5, 2018 at 10:10 AM, Wes <wes at triconet.org> wrote:

> Are you sure that FT8 is outputting 2 kHz?
>
>
> On 7/4/2018 6:10 PM, Richard Solomon wrote:
>
>> It was a slow day today, so I
>> decided to measure my XMT
>> Frequency on FT8.
>>
>> Now, my Frequency Counter
>> (HP 5334B) derives its reference
>> frequency from a GPSDO, So I
>> am rather confident in my readings.
>>
>> I set my FTDX-5000MP readout
>> to 24.911 MHz and my Transmit
>> frequency to 2,000 Hz in FT8.
>> That should put me on 24.913.
>>
>> BUT, my counter read 24.912 ??
>>
>> I think it's an artifact of setting
>> the mode to USB/PKT, but I
>> find nothing in the manual that
>> discusses that.
>>
>> I verified the radio is OK by loking
>> at my XMT frequency in CW Mode
>> and it was right on.
>>
>> There is a menu item (087) that
>> I need to look at, maybe diddling
>> that will fix the problem.
>>
>> Until then, I'll set the radio to + 1KHz
>> when I operate FT8.
>>
>> I presented this on the WSJT site,
>> but no response yet.
>>
>> Maybe I am wrong, but I don't
>> think so.
>>
>> 73, Dick, W1KSZ
>> ______________________________________________________________
>>
>
> ______________________________________________________________
> SADXA Website http://www.sadxa.org
>
> SADXA mailing list
> Home: http://mailman.qth.net/mailman/listinfo/sadxa
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:SADXA at mailman.qth.net
>
> This list hosted by: http://www.qsl.net
> You can support qsl.net: http://www.qsl.net/donate.html
>