[RTTY] Signals that don't decode

Jeff Stai wk6i.jeff at gmail.com
Mon Feb 12 13:25:10 EST 2018


ps David - Thanks for giving me M7T and for the Selective filter ;) - jeff
wk6i (KS7AA in this one and W7RN otherwise)



On Mon, Feb 12, 2018 at 10:22 AM, Jeff Stai <wk6i.jeff at gmail.com> wrote:

> I heard them too, it's hard to remember from the heat of the moment, but
> you may be right about the 850Hz shift. I remember seeing something that
> made me think that.
>
> I also got told a couple times I was inverted - whilst running, mind you
> ;) I guess we were ALL upside down!
>
> 73 jeff wk6i
>
>
> On Mon, Feb 12, 2018 at 9:31 AM, Tim Shoppa <tshoppa at gmail.com> wrote:
>
>> This may have been the first big RTTY contest that I didn't have anyone
>> call me inverted.
>>
>> I had a couple callers I could not decode. They sounded inverted but
>> setting my decoder to inverted did not help. Maybe they were inverted and
>> ASCII or something.
>>
>> But there were a couple other funny signals. One, the guy only had a
>> single
>> tone. It's possible his second tone was at 850Hz or wider shift but I
>> usually have my audio passband pretty wide and probably would've heard a
>> 850Hz shift. MMTTY and 2Tone did not decode this signal, but Gritty did.
>> Wow!
>>
>> I had a couple callers with some sort of very intermittent signal like
>> their transmitter was cutting out. With enough repeats we got through.
>>
>> G3YYD - were these problem stations on 40M maybe? There is a time of
>> evening around sunset where 40M "changes" and local easy to hear (sounds
>> fine) stations are completely uncopyable due to some sort of multipath
>> effect.
>>
>> David G3YYD and Alex VE3NEA - than you SO MUCH for 2Tone and GRITTY!!!
>>
>> Tim N3QE
>> _______________________________________________
>> RTTY mailing list
>> RTTY at contesting.com
>> http://lists.contesting.com/mailman/listinfo/rtty
>>
>
>
>
> --
> Jeff Stai ~ wk6i.jeff at gmail.com
> Twisted Oak Winery ~ http://www.twistedoak.com/
> Facebook ~ http://www.facebook.com/twistedoak
> RTTY op at W7RN
>



-- 
Jeff Stai ~ wk6i.jeff at gmail.com
Twisted Oak Winery ~ http://www.twistedoak.com/
Facebook ~ http://www.facebook.com/twistedoak
RTTY op at W7RN


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