[Dxspider-support] The RBN interface is here...

[Lee Sawkins]

Oops sorry.  Multiplied by 4 instead of 2.  Each spot is 150 bytes.  Twice the number of characters.  4,000,000 x 150 
 
Lee VE7CC

----- Original Message -----
From: Lee Sawkins via Dxspider-support <dxspider-support at tobit.co.uk>
To: rene chr olsen <rene.chr.olsen at gmail.com>
Cc: Lee Sawkins <ve7cc at shaw.ca>, dxspider-support at tobit.co.uk
Sent: Sun, 12 Jul 2020 15:13:41 -0600 (MDT)
Subject: Re: [Dxspider-support] The RBN interface is here...

Each spot from the RBN is 300 bytes.  Busy times can see over 4 million incoming spots per day.  4,000,000 x 300 bytes in.  Then add the outgoing data.

Lee VE7CC

----- Original Message -----
From: Rene Olsen via Dxspider-support <dxspider-support at tobit.co.uk>
To: dxspider-support at tobit.co.uk, Dirk Koopman <djk at tobit.co.uk>
Cc: Rene Olsen <rene.chr.olsen at gmail.com>
Sent: Sun, 12 Jul 2020 14:16:12 -0600 (MDT)
Subject: Re: [Dxspider-support] The RBN interface is here...

Hi Dirk.

Yes, I think that I will upgrade to mojo branch no matter what.

I am still having doubts about the RBN thing though. As I wrote earlier I am on a limited plan, 
which means I pay a very low price per month. I am only allowed 1 TB of data a month.

I was logged on the the RBN network port 7000, and it said that the average at that time was 
17000 spots an hour. And that is probably at the low end when contests are there. This is a 
normal sunday evening without any contests (that I am aware of).

17000 spots an hour, I count a spot as 80 bytes, means that just with that I will be using 
around 1 TB of data in 30 days. The next plan at my provider is a lot more money, so guess I 
am bowing out on the RBN stuff. Unless my calculations are way off.

I guess in busy contest weekends the number can increase to 50000 spots an hour or more.

Vy 73 de René / OZ1LQH

On 10 Jul 2020 at 21:22, Dirk Koopman wrote:

> On 10/07/2020 20:52, Rene Olsen wrote:
> > Thanks Dirk.
> >
> > Thanks for the info. I will not touch it now since there is the contest this weekend, and I will
> > not be home to monitor what happens.
> >
> > Will this new RBN data increase the bw used by the node significantly? If we are talking 100
> > spots a second, like someone mentioned, I am not sure it is for me, since I have limited bw
> > useage.
> >
> > Vy 73 de René / OZ1LQH
> 
> That is the $64,000 question. If you stick to CW spots, so far, I have 
> seen about ~10/sec during the last big contest. We will see what this 
> weekend brings for a more definite answer. I would be quite surprised to 
> see 100 spots/sec or 8200 bytes/sec. But remember, the most you are 
> likely see coming out is ~820 bytes / sec / RBN Spot user and. even on 
> the last big CW contest the actual "curated" output was 1 or 2 / sec, 
> but not consistently. 30000 incoming spots / hour would be whittled down 
> to about 3000/hour or about 8 every 10 seconds.
> 
> I am waiting with bated breath how WA9PIE-2 copes with 1000+ users. 
> Human spots is no problem at all, it trundles along at about 2-7% CPU on 
> a big contest.  But it is unlikely that (anything like) that many of 
> them will using the RBN feed - at least this weekend. But we will see. 
> 1000 * 820 is how many bytes/sec again...?
> 
> But I would strongly recommend that you upgrade, just for the improved 
> speed and reduced power consumption. Whether you connect to the RBN is a 
> separate issue. The 'mojo' branch is where it is all at. The 'master' 
> branch is now just in care and maintenance. All new features will go 
> into the 'mojo' branch (there is a clue as to what it is in UPGRADE.mojo),
> 
> 73 Dirk G1TLH
> 




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