[RTTY] Lids running RTTY on the JT65 Frequency

[joeduerbusch]

We have been fighting this dead horse for the 40 years I been on rtty.
When there is a contest, any contest, someone on some frequency is going to
complain.
Ask the SSTV guys about what happens to them on a SSB contest.
It isn't going to change.

Joe K0BX


On Mon, Jan 5, 2015 at 3:43 PM, Joe Subich, W4TV <lists at subich.com> wrote:

>
> > If a RTTY user is on a frequency you want to use
> > then QSY or wait until its clear
>
> It isn't a matter of JT65/JT9 operators waiting on the RTTY op -
> just the other way around.  The RTTY operators *DO NOT LISTEN*
> for the other modes - which have a 48 second transmit/72 second
> receive cycle.  The RTTY contesters fire up *on top of* existing
> QSOs - typically during the 72 second time when one station is
> listening for the other.
>
> RTTY contest participants need to be taught about the characteristics
> of other data signals and avoid those narrow centers of activity rather
> than simply hit F1 on any frequency that shows no activity in the last
> 100 milliseconds.
>
> 73,
>
>    ... Joe, W4TV
>
>
> On 2015-01-05 10:27 AM, Liam liam wrote:
>
>> hi  The bands are shared
>> If a RTTY user is on a frequency you want to use
>> then QSY or wait until its clear,,,during CW or  PSK  tests
>> contesters operate well into the
>> frequencys normal used by RTTY ops   Most RTTY ops  understand
>> and either give away a few points in the test mode or QSY to a WARC band
>>
>> Liam
>>
>>
>>
>> On Mon, Jan 5, 2015 at 3:05 PM, Joe Subich, W4TV <lists at subich.com>
>> wrote:
>>
>>
>>>  Like it or not, the bands are shared usually based on bandwidth of the
>>>> signal (depending on your country).
>>>>
>>>
>>> While that is true, IARU recognize the "center of activity" concept.
>>> The JT65/JT9 "center of activity" is x.076-x.080 *and that does not*
>>> *change* just because there is a RTTY contest - any more than the
>>> PACTOR autobots leave 14.095-14.0995/14.1005-14.115 and PSK31/63
>>> abandons xx.070-xx.074 for the duration of the contest.
>>>
>>> RTTY contesters need to learn if the dial reads less than xx.0805 they
>>> are causing *intentional QRM* to other modes and find another frequency
>>> or band.  I was frankly disgusted by the number of *big guns* who should
>>> know better coming up on top of existing TJT9 and JT65 QSOs all weekend.
>>>
>>> It is time that RTTY contest sponsors make a strong effort to educate
>>> their participants about other digital activity below xx.080 (between
>>> xx.070 and xx.080) particularly on 20 and 15 meters.
>>>
>>> 73,
>>>
>>>     ... Joe, W4TV
>>>
>>>
>>> On 2015-01-05 9:34 AM, Michael Walker wrote:
>>>
>>>  Like it or not, the bands are shared usually based on bandwidth of the
>>>> signal (depending on your country).  If you want channelized operation
>>>> you
>>>> may have to look elsewhere--just not ham radio.
>>>>
>>>> Be very  happy we have this flexibility.
>>>>
>>>> Mike va3mw
>>>>
>>>>
>>>> On Sat, Jan 3, 2015 at 9:04 PM, Lynn W. Taylor, WB6UUT <
>>>> KX3 at coldrockshotbrooms.com> wrote:
>>>>
>>>>   I'm just guessing, but didn't someone on the list say there was an
>>>> RTTY
>>>>
>>>>> contest?
>>>>>
>>>>> Isn't it fairly common for contesters to get a bit "enthusiastic" and
>>>>> overlook things, especially when the op is a contester, and not
>>>>> necessarily
>>>>> on RTTY at any other time?
>>>>>
>>>>>
>>>>> On 1/3/2015 5:39 PM, Harry Yingst via Elecraft wrote:
>>>>>
>>>>>   What up with all the Lids running JT-65 right over the top of
>>>>> existing
>>>>>
>>>>>> JT65 QSO's
>>>>>> Haven't they ever head of Listen before you transmit?
>>>>>> Better Yet have they heard of a Band Plan?
>>>>>>
>>>>>>
>>>>>>  _______________________________________________
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>>>
>>>
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>



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