[RTTY] Getting spotted by RTTY skimmers

Jim Preston jpreston1 at cox.net
Tue Sep 30 10:01:51 EDT 2014


Jim,

Yes I do that as well. I didn't mention it because I was focused on the 
CR/LF subject. I also put a space before the first letter of each macro.

73,

Jim N6VH


On 9/30/2014 6:56 AM, Jim W7RY wrote:
> But please remember to put the space between the last letter of the
> macro and the {RX}.
>
> 73
> Jim W7RY
>
>
> -----Original Message----- From: Jim Preston
> Sent: Monday, September 29, 2014 11:34 PM
> To: rtty at contesting.com
> Subject: Re: [RTTY] Getting spotted by RTTY skimmers
>
> Joe,
>
> I agree 100 percent. My macros have CR/LF at the beginning but not at
> the end. The other station doesn't have to chase anything, since my
> macro stays on one line.
>
> 73,
>
> Jim N6VH
>
>
> On 9/29/2014 6:57 PM, Joe Subich, W4TV wrote:
>>
>> CR/LF is fine for the *beginning* of a macro as it does not move
>> your call down the screen.  It *ending* a macro with CR/LF that
>> causes chasing the call up the screen.
>>
>> On a proper scrolling display, CR/LF at the beginning of the macro
>> will put your call at the left edge of the bottom line of the RX
>> window ... generally right under the mouse cursor unless the user
>> is making some rather gross mouse movements ... and where the user
>> does not need to search for it in the garble at the end of the line.
>>
>> 73,
>>
>>     ... Joe, W4TV
>>
>>
>> On 2014-09-29 9:45 PM, Neal Campbell wrote:
>>> The CRLF is very frustrating for those trying to click on the callsign
>>> and
>>> having to chase it around the window. Please do not use!
>>>
>>> 73
>>>
>>> *BIG LABOR DAY SALE IN PROGRESS!*
>>> Neal Campbell
>>> Abroham Neal LLC
>>>
>>>
>>>
>>> On Mon, Sep 29, 2014 at 9:17 PM, Lee Sawkins <ve7cc at shaw.ca> wrote:
>>>
>>>> Starting your call macros with a couple of spaces does as well as
>>>> <CR><LF>
>>>> and has he added benefit of not causing the text to scroll down the
>>>> screen
>>>> if you press your callsign button several times.  All macros should
>>>> start
>>>> with something other than a printable character as many times they get
>>>> tagged onto garbage characters and do not get decoded as intended.
>>>> Sending
>>>> your callsign twice with no leading and ending non printing
>>>> characters will
>>>> result in no callsign being decoded without extra characters.  This
>>>> slows
>>>> things down as the receiving op has to manually enter your call with
>>>> the
>>>> keyboard.
>>>>
>>>> Lee
>>>>
>>>> ----- Original Message ----- From: "Joe Subich, W4TV"
>>>> <lists at subich.com>
>>>> To: <rtty at contesting.com>
>>>> Sent: Monday, September 29, 2014 12:29 PM
>>>> Subject: Re: [RTTY] Getting spotted by RTTY skimmers
>>>>
>>>>
>>>>
>>>>
>>>>> I did get spotted multiple times while S&Ping, but I think that was a
>>>>> function of being fast on the draw, so that the skimmers could likely
>>>>> have seen " CQ KA0XTT KA0XTT CQ N1EN N1EN N1EN "
>>>>
>>>> Start your macros with <CR><LF> .... that will make sure you don't get
>>>> picked up with the trailing CW or TEST from the previous station.
>>>>
>>>> 73,
>>>>
>>>>     ... Joe, W4TV
>>>>
>>>>
>>>> On 2014-09-29 3:09 PM, Michael Adams wrote:
>>>>
>>>>> There are notes in the second section of
>>>>> http://wz7i.com/cw-skimmer/rtty-skimmer.html
>>>>>
>>>>> The primary trick is to leave trailing whitespace at the end of the
>>>>> over.   I used "TEST N1EN N1EN CQ " («note the space) and "TU N1EN CQ
>>>>> " («again, the space) and had almost no problems getting picked up.
>>>>>
>>>>> I did get spotted multiple times while S&Ping, but I think that was a
>>>>> function of being fast on the draw, so that the skimmers could likely
>>>>> have seen " CQ KA0XTT KA0XTT CQ N1EN N1EN N1EN "   A few times, the
>>>>> S&P spots even came through tagged as "skimqsy" or "skimvalid" in the
>>>>> CT1BOH logic.
>>>>>
>>>>> I apparently need to learn patience.  :)
>>>>>
>>>>> I do think that the smaller number of RTTY skimmers online, and the
>>>>> challenges of decoding RTTY vs. CW probably contribute to the reduced
>>>>> likelihood of getting spotted by a RTTY skimmer versus a CW skimmer,
>>>>> especially on 80.
>>>>>
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