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Re: [RTTY] Decoder performance on crowded bands

To: rtty@contesting.com
Subject: Re: [RTTY] Decoder performance on crowded bands
From: Lee Sawkins <ve7cc@shaw.ca>
Date: Wed, 30 Sep 2015 17:29:41 -0600 (MDT)
List-post: <rtty@contesting.com">mailto:rtty@contesting.com>
Dave 

I even put a CQ at the end of my TU message. TU VE7CC CQ 

Lee 

----- Original Message -----
From: "Gary Senesac" < al9a@mtaonline.net > 
To: rtty@contesting.com 
Sent: Wednesday, September 30, 2015 11:21:36 PM 
Subject: Re: [RTTY] Decoder performance on crowded bands 

Dave, 

I think the CQ on the end serves two purposes. First, if a S&P station tunes 
across a signal and misses the opening CQ he has no way of telling if this 
station is calling CQ or just finishing working someone else. The CQ at the end 
removes that doubt. Second, I think it so a skimmer can find you sooner. Same 
reason as above. 

Gary AL9A 
Sent from my Kindle HDX 

On September 30, 2015 , at 3:06 PM, Dave Hachadorian < k6ll.dave@gmail.com > 
wrote: 

Why do RTTY ops even put a "cq" at the end of their cq message? 

CW ops never put a CQ at the end (except for a few newbie 
converts from RTTY). 45 Baud RTTY is 60 wpm, a lot faster than 
contest CW, so it's not like we had to wait so long for the call 
sign that we forgot that it was a CQ. 

Since RTTY Skimmers are increasingly powerful and popular, and 
are getting confused by the cq at the end, maybe it's time to 
just drop that final cq. 

Dave Hachadorian, K6LL 
Yuma, AZ 

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