[Elecraft] Legacy = Low Latency: FSK-D mode

Joe Subich, W4TV lists at subich.com
Fri Mar 22 21:01:09 EDT 2019


The issue is simply that DXPeditions mostly don't recruit quality RTTY
operators.  A quality/experienced operator with proper software (GRITTY
and/or a "broadband"/multi-channel decoder) can run rates comparable
with CW or SSB.

73,

    ... Joe, W4TV


On 2019-03-22 8:45 PM, Wes wrote:
> I know about FT8 DXPedition mode.  I have used it a couple of times just 
> for the hell of it but I never claim DXCC credit for FT8 contacts.  I 
> also know that 14080 isn't one of the "recommended" frequencies for FT8.
> 
> I would argue about the efficacy compared to CW.  I know it reports all 
> of those negative SNRs but they are bogus.  As to rates, when my friend 
> Ned, AA7A, was operating RTTY from S. Georgia and S. Sandwich he was 
> knocking them dead.  On 15 meters VP8SGI made almost the same number of 
> RTTY contacts as SSB contacts. They only operated RTTY on three bands 
> yet about 10% of their total Qs were RTTY.
> 
> Wes  N7WS
> 
> 
> On 3/22/2019 4:08 PM, Jim Brown wrote:
>> On 3/22/2019 3:29 PM, Wes wrote:
>>> DXCC certificate that actually says "RTTY" on it. Today it's harder 
>>> to find new ones, but I have 254 confirmed now with my modest station.
>>
>> Congrats on that.  I too am quite happy with AFSK.
>>
>>>
>>> It's great fun and even though it's a "digital" mode, operator skill 
>>> still makes a difference.
>>
>> Yep. RTTY contesting can be a lot of fun, especially with SO2R. A 
>> couple of guys in our contest club, WK6I and W0YK, win RTTY contests 
>> running three radios.  And operator skill also matters with FT8, even 
>> though it's also possible to make QSOs with minimal operator involvement.
>>>
>>> Unfortunately, I heard one of the current DXpeditions plopped on 
>>> 14.080 using the abysmal FT8
>>
>> That's because 1) RTTY is very difficult for the DXpedition operator 
>> in a pileup, making for slow QSO rates; 2)  the latest version of 
>> WSJT-X includes a "DXpedition mode" that allows far greater rates than 
>> RTTY; and the signal to noise advantage of FT8 over CW (moderate) and 
>> SSB (a lot) allows QSOs over more difficult paths and with more modest 
>> stations.
>>
>> 73, Jim K9YC
> 
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