[CQ-Contest] [DX-IS] RBN Announcement on FT8 Spotting [1 Attachment]

Tue Jun 12 14:52:59 EDT 2018

Sorry, but I don't agree, Hans.  The current arrangement of one FT8 dial 
frequency per band will not survive the first big DXpedition or, 
perhaps, even Field Day.  You'll need to know who's where, just as now.

73, Pete N4ZR
Check out the Reverse Beacon Network
at <http://reversebeacon.net>, now
spotting RTTY activity worldwide.
For spots, please use your favorite
"retail" DX cluster.

On 6/12/2018 12:32 PM, Radio KØHB kzerohb at gmail.com [DX-IS] wrote:
> [Attachment(s) <#TopText> from =?utf-8?Q?Radio_K=C3=98HB?= included 
> below]
>
> Since virtually all FT8 operations are clustered into their own 3kHz 
> smoking-pit on each band, the mode requires no “searching around the 
> band” for individual signals.  Essentially the entire workable “band” 
> of FT8 signals is visible at your own station without an outside feed.
>
> That, coupled with the very detailed graphic presentations at sites 
> like pskreporter.info and pskreporter.de, seems to make a traditional 
> CW-style spotting network for of low value to an FT8 operator. In 
> fact, I would posit that the traditional Spotting/RBN infrastructure 
> is really rather quaint and unsophisticated when compared to the 
> information available at pskreporter.info.
>
> 73, de Hans, KØHB
> "Just a boy and his radio"™
>
> *From: *N4ZR n4zr at comcast.net [DX-IS] <mailto:DX-IS at yahoogroups.com>
> *Sent: *Tuesday, June 12, 2018 1:35 PM
> *To: *RBN-OPS at groups.io <mailto:RBN-OPS at groups.io>; 
> sysops at dxcluster.info <mailto:sysops at dxcluster.info>; WW1ME at arrl.org 
> <mailto:WW1ME at arrl.org>; DX-IS at yahoogroups.com 
> <mailto:DX-IS at yahoogroups.com>; reflector cq-contest 
> <mailto:CQ-Contest at Contesting.COM>
> *Subject: *[DX-IS] RBN Announcement on FT8 Spotting
>
> As some may be aware, we’ve been debating for some time about whether 
> the RBN should handle FT8 spots.  A few weeks, ago, several prolific 
> RBN nodes began spotting FT8 signals, using the combination of WSJT-X 
> and an unreleased Aggregator, version 5.  The purpose of this limited 
> Alpha test was to get a feel for the load and other implications of 
> carrying FT8 spots on the RBN; it has been very revealing.
>
> The most striking characteristic of FT8 spots is their sheer 
> quantity.  Here are some weekday statistics from one of the US testers:
>
> *23-May*
>
> CW 4294 14%
>
> RTTY 69  0.22%
>
> FT8  26318  86%
>
> Total 30681
>
> *24-May*
>
> CW  4370  13%
>
> RTTY  46  0.14%
>
> FT8  29298  87%
>
> Total  33714
>
> Whether due to the startling popularity of the new mode, or to the 
> ability to spot stations at 22 dB below the noise level, it seems 
> obvious that adding FT8 spots to our spot flow could have a huge 
> impact on the infrastructure of the RBN. These numbers suggest that if 
> only 20-30 RBN nodes added FT8 spots, those spots could outnumber the 
> total CW and RTTY spots being delivered by the 140-150 nodes currently 
> active on the network, doubling the total required throughput.
>
> We frankly don’t know whether the RBN servers will be up to the task, 
> so we decided we had better find out before the fall contest season is 
> upon us.  Accordingly, we are taking the following steps on a Beta 
> test basis:
>
> 1.Effective immediately, the RBN’s current spot feed 
> (telnet,reversebeacon.net port 7000) will be repurposed to handle only 
> CW and RTTY spots. telnet.reversebeacon.net port 7001 will be set up 
> for FT8 spots only.
>
> 2.Operators of “retail” DX clusters are encouraged to offer the option 
> of RBN spots with and without FT8 spots, as they now often give users 
> a choice between spot streams with and without “Skimmer” spots, and to 
> advertise when they begin to carry FT8 spots
>
> 3.A Beta test version of Aggregator Version 5 that can handle FT8 
> spots received from WSJT-X will be made available on the RBN web site, 
> along with instructions on how RBN node-ops can configure their nodes 
> to spot FT8 on one or multiple bands.  Note, please, that doing so 
> will not interfere with your ability to continue spotting CW and RTTY.
>
> We will closely monitor how the RBN servers handle this new load, as 
> more and more nodes begin sending FT8 spots.  We also reserve the 
> right to take steps as necessary to protect the core mission of the 
> RBN, including shutting off the FT8 stream on major CW and RTTY 
> contest weekends or, in an extreme case, discontinuing spotting of FT8 
> altogether.  Even in a worst case scenario, FT8 spots will continue to 
> be carried by PSKReporter.
>
> We hope we’re not doing this in a vacuum.  The RBN team has been 
> collecting the views of contesters and DXers on this, and we think 
> that we’re headed in the right direction.  Feel free to let us know 
> what you think of this experiment.
>
> 73,
>
> The RBN Team (KM3T, N4ZR, PY1NB, SV3SJ, W3OA)
>
> __._,_.___
>
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