[Elecraft] KPA1500 duty cycle

[Eric Swartz - WA6HHQ, Elecraft]

Easy to handle for the 1500 on any band. :-)

73,
Eric
/elecraft.com/

On 2/15/2018 12:51 AM, Richard Lamont wrote:
> The FT8 parameters were tweaked slightly during the beta phase prior to
> the release of WSJT-X 1.8.0, and the TX time was reduced to 12.64 sec,
> so the duty cycle is now about 42%.
>
> 73,
> Richard G4DYA
>
> On 15/02/18 01:22, Dennis Moore wrote:
>> Specification is 13.48 sec TX, 16.52 sec RX, 45% Duty Cycle.
>>
>> Source: http://qrznow.com/new-digital-mode-from-k1jt-ft8/
>>
>> 73, Dennis NJ6G
>>
>>
>> On 2/14/2018 17:07, Tom-KQ5S wrote:
>>> I believe FT8 is 13 sec TX, 2 sec decode and then 15 sec RX for a
>>> total of
>>> 17 sec non-TX so you have 13 sec TX and 17 sec RX.  Much less than 50%.
>>>
>>> -----------------
>>> 73,
>>> Tom - KQ5S
>>>
>>> On Wed, Feb 14, 2018 at 6:51 PM, Jim Brown <jim at audiosystemsgroup.com>
>>> wrote:
>>>
>>>> And even this is conservative -- JT65 is 48 sec TX and 72 sec RX, so 40%
>>>> duty cycle. FT8 and MSK144 have equal TX and RX times, so 50% duty
>>>> cycle.
>>>> The TX period for MSK144 can be varied from 5-30 sec, but TX and RX
>>>> times
>>>> are always equal.
>>>>
>>>> 73, Jim K9YC
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