[Elecraft] KPA1500 duty cycle

[Richard Lamont]

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